{"id":443,"date":"2020-05-22T18:10:21","date_gmt":"2020-05-22T15:10:21","guid":{"rendered":"https:\/\/blogs.e-me.edu.gr\/hive-pliroforikidxanthi\/?p=443"},"modified":"2020-05-22T18:10:21","modified_gmt":"2020-05-22T15:10:21","slug":"%cf%84%ce%b1-%ce%b1%ce%ba%ce%bf%cf%85%cf%83%cf%84%ce%b9%ce%ba%ce%ac","status":"publish","type":"post","link":"https:\/\/blogs.e-me.edu.gr\/hive-pliroforikidxanthi\/2020\/05\/22\/%cf%84%ce%b1-%ce%b1%ce%ba%ce%bf%cf%85%cf%83%cf%84%ce%b9%ce%ba%ce%ac\/","title":{"rendered":"\u03a4\u03b1 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac"},"content":{"rendered":"<p><span class=\"notranslate\">\u03a4\u03b1 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03c0\u03c1\u03bf\u03ad\u03c1\u03c7\u03bf\u03bd\u03c4\u03b1\u03bd \u03b1\u03c0\u03cc \u03c4\u03bf \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03cc \u03c4\u03bf\u03c5 \u03b4\u03ad\u03ba\u03c4\u03b7 \u03c4\u03b7\u03bb\u03b5\u03c6\u03ce\u03bd\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03ae\u03c4\u03b1\u03bd \u03bf \u03bc\u03cc\u03bd\u03bf\u03c2 \u03c4\u03c1\u03cc\u03c0\u03bf\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03ba\u03bf\u03cd\u03c3\u03b5\u03c4\u03b5 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ac\u00a0<a title=\"\u03a3\u03ae\u03bc\u03b1 \u03ae\u03c7\u03bf\u03c5\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Audio_signal&amp;usg=ALkJrhi8_UOfxCD-VjBAksGIdfJfkutKnQ\">\u03c3\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ae\u03c7\u03bf\u03c5<\/a>\u00a0\u03c0\u03c1\u03b9\u03bd \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03c0\u03c4\u03c5\u03be\u03b7 \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ce\u03bd.<\/span>\u00a0<span class=\"notranslate\">\u03a4\u03bf \u03c0\u03c1\u03ce\u03c4\u03bf \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03b7\u03bc\u03ad\u03bd\u03bf \u03c3\u03b5\u03c4 \u03b1\u03bd\u03b1\u03c0\u03c4\u03cd\u03c7\u03b8\u03b7\u03ba\u03b5 \u03c4\u03bf 1910 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd\u00a0<a title=\"Nathaniel Baldwin\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Nathaniel_Baldwin&amp;usg=ALkJrhi2C-8azZV2RMb3Q2iSWFMSyxVeGQ\">Nathaniel Baldwin<\/a>\u00a0, \u03bf \u03bf\u03c0\u03bf\u03af\u03bf\u03c2 \u03c4\u03b1 \u03ad\u03c6\u03c4\u03b9\u03b1\u03be\u03b5 \u03bc\u03b5 \u03c4\u03bf \u03c7\u03ad\u03c1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03ba\u03bf\u03c5\u03b6\u03af\u03bd\u03b1 \u03c4\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03c0\u03bf\u03cd\u03bb\u03b7\u03c3\u03b5 \u03c3\u03c4\u03bf\u00a0<a title=\"\u039d\u03b1\u03c5\u03c4\u03b9\u03ba\u03cc \u03c4\u03c9\u03bd \u0397\u03bd\u03c9\u03bc\u03ad\u03bd\u03c9\u03bd \u03a0\u03bf\u03bb\u03b9\u03c4\u03b5\u03b9\u03ce\u03bd\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/United_States_Navy&amp;usg=ALkJrhiK2I1UmL6kwrKTQWAOZaBReOUKgw\">\u039d\u03b1\u03c5\u03c4\u03b9\u03ba\u03cc<\/a>\u00a0\u03c4\u03c9\u03bd\u00a0<a title=\"\u039d\u03b1\u03c5\u03c4\u03b9\u03ba\u03cc \u03c4\u03c9\u03bd \u0397\u03bd\u03c9\u03bc\u03ad\u03bd\u03c9\u03bd \u03a0\u03bf\u03bb\u03b9\u03c4\u03b5\u03b9\u03ce\u03bd\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/United_States_Navy&amp;usg=ALkJrhiK2I1UmL6kwrKTQWAOZaBReOUKgw\">\u0397\u03bd\u03c9\u03bc\u03ad\u03bd\u03c9\u03bd \u03a0\u03bf\u03bb\u03b9\u03c4\u03b5\u03b9\u03ce\u03bd<\/a>\u00a0.<\/span>\u00a0<span class=\"notranslate\"><sup id=\"cite_ref-5\" class=\"reference\"><a href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Headphones&amp;usg=ALkJrhj9fQwDTyrfOx3q8KAMgP2qwzJjnw#cite_note-5\">[5]<\/a><\/sup>\u00a0<sup id=\"cite_ref-6\" class=\"reference\"><a href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Headphones&amp;usg=ALkJrhj9fQwDTyrfOx3q8KAMgP2qwzJjnw#cite_note-6\">[6]<\/a><\/sup><\/span><\/p>\n<p><span class=\"notranslate\">\u0391\u03c5\u03c4\u03ac \u03c4\u03b1 \u03c0\u03c1\u03ce\u03b9\u03bc\u03b1 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03c3\u03b1\u03bd\u00a0<a title=\"\u039a\u03b9\u03bd\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf \u03b7\u03c7\u03b5\u03af\u03bf \u03c3\u03b9\u03b4\u03ae\u03c1\u03bf\u03c5\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Moving_iron_speaker&amp;usg=ALkJrhh4QPS_tKg5fpG3aAWjldBfbvWLqg\">\u03ba\u03b9\u03bd\u03bf\u03cd\u03bc\u03b5\u03bd\u03b1 \u03c0\u03c1\u03bf\u03b3\u03c1\u03ac\u03bc\u03bc\u03b1\u03c4\u03b1 \u03bf\u03b4\u03ae\u03b3\u03b7\u03c3\u03b7\u03c2 \u03c3\u03b9\u03b4\u03ae\u03c1\u03bf\u03c5<\/a>\u00a0,\u00a0<sup id=\"cite_ref-hearthis_7-0\" class=\"reference\"><a href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Headphones&amp;usg=ALkJrhj9fQwDTyrfOx3q8KAMgP2qwzJjnw#cite_note-hearthis-7\">[7]<\/a><\/sup>\u00a0\u03bc\u03b5 \u03bc\u03bf\u03bd\u03cc\u03c0\u03bb\u03b5\u03c5\u03c1\u03bf \u03ae \u03b9\u03c3\u03bf\u03c1\u03c1\u03bf\u03c0\u03b7\u03bc\u03ad\u03bd\u03bf \u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc.<\/span>\u00a0<span class=\"notranslate\">\u03a4\u03b1 \u03ba\u03bf\u03b9\u03bd\u03ac \u03c0\u03b7\u03bd\u03af\u03b1 \u03c6\u03c9\u03bd\u03ae\u03c2 \u03bc\u03b5 \u03ad\u03bd\u03b1 \u03bc\u03cc\u03bd\u03bf \u03ac\u03ba\u03c1\u03bf \u03c4\u03c5\u03bb\u03af\u03c7\u03b8\u03b7\u03ba\u03b1\u03bd \u03b3\u03cd\u03c1\u03c9 \u03b1\u03c0\u03cc \u03c4\u03bf\u03c5\u03c2 \u03c0\u03cc\u03bb\u03bf\u03c5\u03c2 \u03b5\u03bd\u03cc\u03c2 \u03bc\u03cc\u03bd\u03b9\u03bc\u03bf\u03c5 \u03bc\u03b1\u03b3\u03bd\u03ae\u03c4\u03b7, \u03bf\u03b9 \u03bf\u03c0\u03bf\u03af\u03bf\u03b9 \u03ae\u03c4\u03b1\u03bd \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03b7\u03bc\u03ad\u03bd\u03bf\u03b9 \u03ba\u03bf\u03bd\u03c4\u03ac \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03b5\u03cd\u03ba\u03b1\u03bc\u03c0\u03c4\u03bf \u03c7\u03ac\u03bb\u03c5\u03b2\u03b1 \u03b4\u03b9\u03ac\u03c6\u03c1\u03b1\u03b3\u03bc\u03b1.<\/span>\u00a0<span class=\"notranslate\">\u03a4\u03bf \u03c1\u03b5\u03cd\u03bc\u03b1 \u03ae\u03c7\u03bf\u03c5 \u03bc\u03ad\u03c3\u03c9 \u03c4\u03c9\u03bd \u03c0\u03b7\u03bd\u03af\u03c9\u03bd \u03b4\u03b9\u03ad\u03c6\u03b5\u03c1\u03b5 \u03c4\u03bf \u03bc\u03b1\u03b3\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc \u03c0\u03b5\u03b4\u03af\u03bf \u03c4\u03bf\u03c5 \u03bc\u03b1\u03b3\u03bd\u03ae\u03c4\u03b7, \u03b1\u03c3\u03ba\u03ce\u03bd\u03c4\u03b1\u03c2 \u03bc\u03b9\u03b1 \u03bc\u03b5\u03c4\u03b1\u03b2\u03b1\u03bb\u03bb\u03cc\u03bc\u03b5\u03bd\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c3\u03c4\u03bf \u03b4\u03b9\u03ac\u03c6\u03c1\u03b1\u03b3\u03bc\u03b1, \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7 \u03b4\u03cc\u03bd\u03b7\u03c3\u03b7, \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ce\u03bd\u03c4\u03b1\u03c2 \u03b7\u03c7\u03b7\u03c4\u03b9\u03ba\u03ac \u03ba\u03cd\u03bc\u03b1\u03c4\u03b1.<\/span>\u00a0<span class=\"notranslate\">\u0397 \u03b1\u03c0\u03b1\u03af\u03c4\u03b7\u03c3\u03b7 \u03b3\u03b9\u03b1 \u03c5\u03c8\u03b7\u03bb\u03ae \u03b5\u03c5\u03b1\u03b9\u03c3\u03b8\u03b7\u03c3\u03af\u03b1 \u03c3\u03ae\u03bc\u03b1\u03b9\u03bd\u03b5 \u03cc\u03c4\u03b9 \u03b4\u03b5\u03bd \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03b8\u03b7\u03ba\u03b5 \u03b1\u03c0\u03cc\u03c3\u03b2\u03b5\u03c3\u03b7, \u03b5\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2 \u03b7 \u03b1\u03c0\u03cc\u03ba\u03c1\u03b9\u03c3\u03b7 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03b9\u03b1\u03c6\u03c1\u03ac\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b5\u03af\u03c7\u03b5 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b5\u03c2 \u03ba\u03bf\u03c1\u03c5\u03c6\u03ad\u03c2 \u03bb\u03cc\u03b3\u03c9 \u03c3\u03c5\u03bd\u03c4\u03bf\u03bd\u03b9\u03c3\u03bc\u03bf\u03cd, \u03bc\u03b5 \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1 \u03ba\u03b1\u03ba\u03ae\u00a0<a title=\"\u03a0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ae\u03c7\u03bf\u03c5\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Sound_quality&amp;usg=ALkJrhizwjf1UKtreeKDLKsswrElgB0ahQ\">\u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ae\u03c7\u03bf\u03c5<\/a>\u00a0.<\/span>\u00a0<span class=\"notranslate\">\u0391\u03c5\u03c4\u03ac \u03c4\u03b1 \u03c0\u03c1\u03ce\u03b9\u03bc\u03b1 \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03b1 \u03b4\u03b5\u03bd \u03b5\u03af\u03c7\u03b1\u03bd \u03b5\u03c0\u03ad\u03bd\u03b4\u03c5\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03c7\u03bd\u03ac \u03ae\u03c4\u03b1\u03bd \u03ac\u03b2\u03bf\u03bb\u03b1 \u03bd\u03b1 \u03c6\u03bf\u03c1\u03b5\u03b8\u03bf\u03cd\u03bd \u03b3\u03b9\u03b1 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b1 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ac \u03b4\u03b9\u03b1\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1.<\/span>\u00a0<span class=\"notranslate\">\u0397\u00a0<a title=\"\u0397\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ae \u03c3\u03cd\u03bd\u03b8\u03b5\u03c4\u03b7 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Electrical_impedance&amp;usg=ALkJrhh0VhGYG869oxgwliltc4yBme1DHQ\">\u03c3\u03cd\u03bd\u03b8\u03b5\u03c3\u03ae \u03c4\u03bf\u03c5\u03c2<\/a>\u00a0\u03c0\u03bf\u03b9\u03ba\u03af\u03bb\u03bb\u03b5\u03b9.<\/span>\u00a0<span class=\"notranslate\">\u03a4\u03b1 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5\u00a0<a class=\"mw-redirect\" title=\"\u03a4\u03b7\u03bb\u03b5\u03b3\u03c1\u03b1\u03c6\u03ce\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Telegraph&amp;usg=ALkJrhjs0f-vim_aMj49GdK1bzGadxz1uA\">\u03c4\u03b7\u03bb\u03b5\u03b3\u03c1\u03b1\u03c6\u03b9\u03ba\u03ad\u03c2<\/a>\u00a0\u03ba\u03b1\u03b9 \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b5\u03c2 \u03b5\u03af\u03c7\u03b1\u03bd \u03c3\u03cd\u03bd\u03b8\u03b5\u03c4\u03b7 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 75\u00a0<a title=\"\u03a9\u03bc\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Ohm&amp;usg=ALkJrhjCO7F2lPBK27um8r4u2rUHMALeIQ\">ohms<\/a>\u00a0.<\/span>\u00a0<span class=\"notranslate\">\u0395\u03ba\u03b5\u03af\u03bd\u03bf\u03b9 \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03b8\u03b7\u03ba\u03b1\u03bd \u03bc\u03b5 \u03c4\u03bf \u03c0\u03c1\u03bf\u03b7\u03b3\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf \u03b1\u03c3\u03cd\u03c1\u03bc\u03b1\u03c4\u03bf \u03c1\u03b1\u03b4\u03b9\u03cc\u03c6\u03c9\u03bd\u03bf \u03b5\u03af\u03c7\u03b1\u03bd \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03c3\u03c4\u03c1\u03bf\u03c6\u03ad\u03c2 \u03bb\u03b5\u03c0\u03c4\u03cc\u03c4\u03b5\u03c1\u03bf\u03c5 \u03c3\u03cd\u03c1\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b3\u03b9\u03b1 \u03b1\u03cd\u03be\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b5\u03c5\u03b1\u03b9\u03c3\u03b8\u03b7\u03c3\u03af\u03b1\u03c2.<\/span>\u00a0<span class=\"notranslate\">\u0397 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 1000 \u03ad\u03c9\u03c2 2000 ohms \u03ae\u03c4\u03b1\u03bd \u03ba\u03bf\u03b9\u03bd\u03ae, \u03b7 \u03bf\u03c0\u03bf\u03af\u03b1 \u03c4\u03b1\u03b9\u03c1\u03b9\u03ac\u03b6\u03b5\u03b9 \u03c4\u03cc\u03c3\u03bf \u03c3\u03b5 \u03ba\u03c1\u03c5\u03c3\u03c4\u03ac\u03bb\u03bb\u03b9\u03bd\u03b1 \u03c3\u03b5\u03c4 \u03cc\u03c3\u03bf \u03ba\u03b1\u03b9 \u03c3\u03b5 \u03b4\u03ad\u03ba\u03c4\u03b5\u03c2\u00a0<a title=\"\u03a4\u03c1\u03cc\u03bf\u03b4\u03bf\u03c2\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Triode&amp;usg=ALkJrhibaRPnkz2sRpxH7oPhqcAv27IzzQ\">\u03c4\u03c1\u03b9\u03cc\u03b4\u03bf\u03c5<\/a>\u00a0.<\/span>\u00a0<span class=\"notranslate\">\u039c\u03b5\u03c1\u03b9\u03ba\u03ac \u03c0\u03bf\u03bb\u03cd \u03b5\u03c5\u03b1\u03af\u03c3\u03b8\u03b7\u03c4\u03b1 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac, \u03cc\u03c0\u03c9\u03c2 \u03b1\u03c5\u03c4\u03ac \u03c0\u03bf\u03c5 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03ac\u03c3\u03c4\u03b7\u03ba\u03b1\u03bd \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd Brandes \u03b3\u03cd\u03c1\u03c9 \u03c3\u03c4\u03bf 1919, \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03b3\u03b9\u03b1 \u03c0\u03c1\u03cc\u03c9\u03c1\u03b7 \u03c1\u03b1\u03b4\u03b9\u03bf\u03c6\u03c9\u03bd\u03b9\u03ba\u03ae \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1.<\/span><\/p>\n<p><span class=\"notranslate\">\u03a3\u03c4\u03b1 \u03c1\u03b1\u03b4\u03b9\u03cc\u03c6\u03c9\u03bd\u03b1 \u03c0\u03bf\u03c5 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd\u03bd \u03c0\u03c1\u03ce\u03b9\u03bc\u03b1, \u03c4\u03bf \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03cc \u03ae\u03c4\u03b1\u03bd \u03bc\u03ad\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2\u00a0<a title=\"\u0397\u03bb\u03b5\u03ba\u03c4\u03c1\u03cc\u03b4\u03b9\u03bf \u03c0\u03bb\u03ac\u03ba\u03b1\u03c2\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Plate_electrode&amp;usg=ALkJrhhBL5GpBsLo4SfXxW5iaomdoHpkmQ\">\u03c0\u03bb\u03ac\u03ba\u03b1\u03c2 \u03c4\u03bf\u03c5<\/a>\u00a0<a title=\"\u03a3\u03c9\u03bb\u03ae\u03bd\u03b1\u03c2 \u03ba\u03b5\u03bd\u03bf\u03cd\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Vacuum_tube&amp;usg=ALkJrhjCAkR0CYeXk0AOoCGWgiP2eILoNg\">\u03c3\u03c9\u03bb\u03ae\u03bd\u03b1 \u03ba\u03b5\u03bd\u03bf\u03cd<\/a>\u00a0\u03ba\u03b1\u03b9 \u03b5\u03af\u03c7\u03b5 \u03b5\u03c0\u03b9\u03ba\u03af\u03bd\u03b4\u03c5\u03bd\u03b5\u03c2 \u03c4\u03ac\u03c3\u03b5\u03b9\u03c2.<\/span>\u00a0<span class=\"notranslate\">\u03a3\u03c5\u03bd\u03b4\u03ad\u03b8\u03b7\u03ba\u03b5 \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03ac \u03b1\u03c0\u03b5\u03c5\u03b8\u03b5\u03af\u03b1\u03c2 \u03c3\u03c4\u03bf\u03bd \u03b1\u03ba\u03c1\u03bf\u03b4\u03ad\u03ba\u03c4\u03b7 \u03bc\u03c0\u03b1\u03c4\u03b1\u03c1\u03af\u03b1\u03c2 \u03b8\u03b5\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03bf \u03ac\u03bb\u03bb\u03bf\u03c2 \u03b1\u03ba\u03c1\u03bf\u03b4\u03ad\u03ba\u03c4\u03b7\u03c2 \u03bc\u03c0\u03b1\u03c4\u03b1\u03c1\u03af\u03b1\u03c2 \u03ae\u03c4\u03b1\u03bd \u03b3\u03b5\u03b9\u03c9\u03bc\u03ad\u03bd\u03bf\u03c2 \u03bc\u03b5 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1.<\/span>\u00a0<span class=\"notranslate\">\u0397 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03b3\u03c5\u03bc\u03bd\u03ce\u03bd \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ce\u03bd \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03b5\u03c9\u03bd \u03c3\u03ae\u03bc\u03b1\u03b9\u03bd\u03b5 \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03c7\u03c1\u03ae\u03c3\u03c4\u03b5\u03c2 \u03b8\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03c3\u03b1\u03bd \u03bd\u03b1 \u03c3\u03bf\u03ba\u03b1\u03c1\u03b9\u03c3\u03c4\u03bf\u03cd\u03bd \u03b1\u03bd \u03ac\u03b3\u03b3\u03b9\u03b6\u03b1\u03bd \u03c4\u03b9\u03c2 \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03b5\u03b9\u03c2 \u03b3\u03c5\u03bc\u03bd\u03ce\u03bd \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03b5\u03bd\u03ce \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03cc\u03b6\u03bf\u03bd\u03c4\u03b1\u03bd \u03ad\u03bd\u03b1 \u03ac\u03b2\u03bf\u03bb\u03bf \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03cc.<\/span><\/p>\n<p><span class=\"notranslate\">\u03a4\u03bf 1958, \u03bf\u00a0<a class=\"mw-redirect\" title=\"John C. Koss\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/John_C._Koss&amp;usg=ALkJrhj6CGzkSiIW1r60pOPQyJdhHz6FCw\">John C. Koss<\/a>\u00a0,\u00a0<a class=\"mw-redirect\" title=\"\u039c\u03bf\u03c5\u03c3\u03b9\u03ba\u03cc\u03c2 \u03c4\u03b6\u03b1\u03b6\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Jazz_musician&amp;usg=ALkJrhjhwlVXiYsyvEgbLhw8H81sxXWZXw\">\u03bc\u03bf\u03c5\u03c3\u03b9\u03ba\u03cc\u03c2<\/a>\u00a0<a title=\"Audiophile\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Audiophile&amp;usg=ALkJrhhyftBLmXRfipy_Aqsx8Ox_2X8g6g\">audiophile<\/a>\u00a0\u03ba\u03b1\u03b9\u00a0<a class=\"mw-redirect\" title=\"\u039c\u03bf\u03c5\u03c3\u03b9\u03ba\u03cc\u03c2 \u03c4\u03b6\u03b1\u03b6\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Jazz_musician&amp;usg=ALkJrhjhwlVXiYsyvEgbLhw8H81sxXWZXw\">\u03c4\u03b6\u03b1\u03b6<\/a>\u00a0\u03b1\u03c0\u03cc \u03c4\u03bf\u00a0<a title=\"\u039c\u03b9\u03bb\u03b3\u03bf\u03c5\u03cc\u03ba\u03b9\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Milwaukee&amp;usg=ALkJrhgkK9lWlC18SMINgF4MQaWphmQChA\">\u039c\u03b9\u03bb\u03b3\u03bf\u03c5\u03cc\u03ba\u03b9<\/a>\u00a0, \u03c0\u03b1\u03c1\u03ae\u03b3\u03b1\u03b3\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03ce\u03c4\u03b1 \u03c3\u03c4\u03b5\u03c1\u03b5\u03bf\u03c6\u03c9\u03bd\u03b9\u03ba\u03ac \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac.<\/span>\u00a0<span class=\"notranslate\"><sup id=\"cite_ref-8\" class=\"reference\"><a href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Headphones&amp;usg=ALkJrhj9fQwDTyrfOx3q8KAMgP2qwzJjnw#cite_note-8\">[8]<\/a><\/sup>\u00a0<sup id=\"cite_ref-hearthis_7-1\" class=\"reference\"><a href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Headphones&amp;usg=ALkJrhj9fQwDTyrfOx3q8KAMgP2qwzJjnw#cite_note-hearthis-7\">[7]<\/a><\/sup>\u00a0\u03a0\u03c1\u03bf\u03b7\u03b3\u03bf\u03c5\u03bc\u03ad\u03bd\u03c9\u03c2, \u03c4\u03b1 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03b8\u03b7\u03ba\u03b1\u03bd \u03bc\u03cc\u03bd\u03bf \u03b1\u03c0\u03cc \u03c4\u03bf \u03bd\u03b1\u03c5\u03c4\u03b9\u03ba\u03cc \u03c4\u03c9\u03bd \u0397\u03a0\u0391, \u03c4\u03bf\u03c5\u03c2 \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03bf\u03cd\u03c2 \u03ba\u03b1\u03b9 \u03c1\u03b1\u03b4\u03b9\u03bf\u03c6\u03c9\u03bd\u03b9\u03ba\u03bf\u03cd\u03c2 \u03c6\u03bf\u03c1\u03b5\u03af\u03c2, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03cc \u03ac\u03c4\u03bf\u03bc\u03b1 \u03c3\u03b5 \u03c0\u03b1\u03c1\u03cc\u03bc\u03bf\u03b9\u03b5\u03c2 \u03b2\u03b9\u03bf\u03bc\u03b7\u03c7\u03b1\u03bd\u03af\u03b5\u03c2.<\/span>\u00a0<span class=\"notranslate\"><sup id=\"cite_ref-hearthis_7-2\" class=\"reference\"><a href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Headphones&amp;usg=ALkJrhj9fQwDTyrfOx3q8KAMgP2qwzJjnw#cite_note-hearthis-7\">[7]<\/a><\/sup><\/span><\/p>\n<p><img decoding=\"async\" class=\"alignleft\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/9\/94\/Brandes_Superior_Matched_Tone_c._1919-21.jpg\/220px-Brandes_Superior_Matched_Tone_c._1919-21.jpg\" \/><\/p>\n<p><span class=\"notranslate\">\u039c\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b1 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03c4\u03cd\u03c0\u03bf\u03c5 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03bf\u03cd, \u03c4\u03b1 \u03bf\u03c0\u03bf\u03af\u03b1 \u03c3\u03c5\u03bd\u03b4\u03ad\u03b8\u03b7\u03ba\u03b1\u03bd \u03c3\u03c4\u03bf \u03ba\u03b1\u03bd\u03ac\u03bb\u03b9 \u03b1\u03c5\u03c4\u03b9\u03bf\u03cd \u03c4\u03bf\u03c5 \u03c7\u03c1\u03ae\u03c3\u03c4\u03b7, \u03b1\u03bd\u03b1\u03c0\u03c4\u03cd\u03c7\u03b8\u03b7\u03ba\u03b1\u03bd \u03b3\u03b9\u03b1 \u03c0\u03c1\u03ce\u03c4\u03b7 \u03c6\u03bf\u03c1\u03ac \u03b3\u03b9\u03b1\u00a0<a class=\"mw-redirect\" title=\"\u0391\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03b2\u03b1\u03c1\u03b7\u03ba\u03bf\u0390\u03b1\u03c2\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Hearing_aids&amp;usg=ALkJrhiUXU1i8hCYXMP9uFpo7RUsNuz-gQ\">\u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03b2\u03b1\u03c1\u03b7\u03ba\u03bf\u0390\u03b1\u03c2<\/a>\u00a0.<\/span>\u00a0<span class=\"notranslate\">\u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03b8\u03b7\u03ba\u03b1\u03bd \u03b5\u03c5\u03c1\u03ad\u03c9\u03c2 \u03bc\u03b5\u00a0<a title=\"\u03a1\u03b1\u03b4\u03b9\u03cc\u03c6\u03c9\u03bd\u03bf \u03c4\u03c1\u03b1\u03bd\u03b6\u03af\u03c3\u03c4\u03bf\u03c1\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Transistor_radio&amp;usg=ALkJrhjfoSRGm7xRdUsM6LO1bQ133aLHJA\">\u03c1\u03b1\u03b4\u03b9\u03cc\u03c6\u03c9\u03bd\u03b1 \u03c4\u03c1\u03b1\u03bd\u03b6\u03af\u03c3\u03c4\u03bf\u03c1<\/a>\u00a0, \u03c4\u03b1 \u03bf\u03c0\u03bf\u03af\u03b1 \u03b5\u03bc\u03c6\u03b1\u03bd\u03af\u03c3\u03c4\u03b7\u03ba\u03b1\u03bd \u03b5\u03bc\u03c0\u03bf\u03c1\u03b9\u03ba\u03ac \u03c4\u03bf 1954 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03b5\u03b9\u03c3\u03b1\u03b3\u03c9\u03b3\u03ae \u03c4\u03bf\u03c5\u00a0<a title=\"Regency TR-1\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Regency_TR-1&amp;usg=ALkJrhi1KKwssjilYdVQUwhERRPrw379Vw\">Regency TR-1<\/a>\u00a0.<\/span>\u00a0<span class=\"notranslate\">\u0397 \u03c0\u03b9\u03bf \u03b4\u03b7\u03bc\u03bf\u03c6\u03b9\u03bb\u03ae\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03ae\u03c7\u03bf\u03c5 \u03c3\u03c4\u03b7\u03bd \u03b9\u03c3\u03c4\u03bf\u03c1\u03af\u03b1, \u03c4\u03bf \u03c1\u03b1\u03b4\u03b9\u03cc\u03c6\u03c9\u03bd\u03bf \u03c4\u03c1\u03b1\u03bd\u03b6\u03af\u03c3\u03c4\u03bf\u03c1 \u03ac\u03bb\u03bb\u03b1\u03be\u03b5 \u03c4\u03b9\u03c2 \u03c3\u03c5\u03bd\u03ae\u03b8\u03b5\u03b9\u03b5\u03c2 \u03b1\u03ba\u03c1\u03cc\u03b1\u03c3\u03b7\u03c2, \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03b1\u03bd\u03b8\u03c1\u03ce\u03c0\u03bf\u03c5\u03c2 \u03bd\u03b1 \u03b1\u03ba\u03bf\u03cd\u03bd\u03b5 \u03c1\u03b1\u03b4\u03b9\u03cc\u03c6\u03c9\u03bd\u03bf \u03bf\u03c0\u03bf\u03c5\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5.<\/span>\u00a0<span class=\"notranslate\">\u03a4\u03bf \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03cc \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03b5\u03af\u03c4\u03b5 \u03ad\u03bd\u03b1 \u03ba\u03b9\u03bd\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf \u03c3\u03b9\u03b4\u03b5\u03c1\u03ad\u03bd\u03b9\u03bf \u03c0\u03c1\u03cc\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03bf\u03b4\u03ae\u03b3\u03b7\u03c3\u03b7\u03c2 \u03b5\u03af\u03c4\u03b5 \u03ad\u03bd\u03b1\u00a0<a title=\"\u039a\u03c1\u03c5\u03c3\u03c4\u03ac\u03bb\u03bb\u03b9\u03bd\u03bf \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03cc\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Crystal_earpiece&amp;usg=ALkJrhg6nJKtsGdrQ5lyfnLou5CzpNixKw\">\u03c0\u03b9\u03b5\u03b6\u03bf\u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u03ba\u03c1\u03cd\u03c3\u03c4\u03b1\u03bb\u03bb\u03bf<\/a>\u00a0\u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b3\u03b5\u03b9 \u03ae\u03c7\u03bf.<\/span>\u00a0<span class=\"notranslate\">\u0397\u00a0<a title=\"\u03a5\u03c0\u03bf\u03b4\u03bf\u03c7\u03ae \u03c4\u03b7\u03bb\u03b5\u03c6\u03ce\u03bd\u03bf\u03c5 (\u03ae\u03c7\u03bf\u03c2)\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Phone_connector_(audio)&amp;usg=ALkJrhjFFh1RyCV-vWRcyDuFkwJMckr6Og\">\u03b8\u03cd\u03c1\u03b1<\/a>\u00a0\u03c1\u03b1\u03b4\u03b9\u03bf\u03c6\u03ce\u03bd\u03bf\u03c5 \u03ba\u03b1\u03b9\u00a0<a title=\"\u03a5\u03c0\u03bf\u03b4\u03bf\u03c7\u03ae \u03c4\u03b7\u03bb\u03b5\u03c6\u03ce\u03bd\u03bf\u03c5 (\u03ae\u03c7\u03bf\u03c2)\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Phone_connector_(audio)&amp;usg=ALkJrhjFFh1RyCV-vWRcyDuFkwJMckr6Og\">\u03c4\u03b7\u03bb\u03b5\u03c6\u03ce\u03bd\u03bf\u03c5<\/a>\u00a03,5 mm, \u03b7 \u03bf\u03c0\u03bf\u03af\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03b9\u03bf \u03c3\u03c5\u03c7\u03bd\u03ac \u03c3\u03b5 \u03c6\u03bf\u03c1\u03b7\u03c4\u03ad\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03c3\u03ae\u03bc\u03b5\u03c1\u03b1, \u03ad\u03c7\u03b5\u03b9 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b7\u03b8\u03b5\u03af \u03c4\u03bf\u03c5\u03bb\u03ac\u03c7\u03b9\u03c3\u03c4\u03bf\u03bd \u03b1\u03c0\u03cc \u03c4\u03bf \u03c1\u03b1\u03b4\u03b9\u03cc\u03c6\u03c9\u03bd\u03bf \u03c4\u03c1\u03b1\u03bd\u03b6\u03af\u03c3\u03c4\u03bf\u03c1 Sony EFM-117J, \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03ba\u03c5\u03ba\u03bb\u03bf\u03c6\u03cc\u03c1\u03b7\u03c3\u03b5 \u03c4\u03bf 1964.\u00a0<sup id=\"cite_ref-9\" class=\"reference\"><a href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Headphones&amp;usg=ALkJrhj9fQwDTyrfOx3q8KAMgP2qwzJjnw#cite_note-9\">[9]<\/a><\/sup>\u00a0<sup id=\"cite_ref-10\" class=\"reference\"><a href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Headphones&amp;usg=ALkJrhj9fQwDTyrfOx3q8KAMgP2qwzJjnw#cite_note-10\">[10]<\/a><\/sup>\u00a0\u0397 \u03b4\u03b7\u03bc\u03bf\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03ac \u03c4\u03bf\u03c5 \u03b5\u03bd\u03b9\u03c3\u03c7\u03cd\u03b8\u03b7\u03ba\u03b5 \u03bc\u03b5 \u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c3\u03c4\u03bf \u03c6\u03bf\u03c1\u03b7\u03c4\u03cc \u03ba\u03b1\u03c3\u03b5\u03c4\u03cc\u03c6\u03c9\u03bd\u03bf\u00a0<a title=\"Walkman\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Walkman&amp;usg=ALkJrhjSJvjFNkR7WuqHVuXjd9n-t9IvPQ\">Walkman<\/a>\u00a0\u03c4\u03bf 1979.<\/span><\/p>\n<p><span class=\"notranslate\">\u03a4\u03b1 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b7\u03b8\u03bf\u03cd\u03bd \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ad\u03c2\u00a0<a class=\"mw-redirect\" title=\"\u03a3\u03c5\u03bc\u03c0\u03b1\u03b3\u03ae\u03c2 \u03b4\u03af\u03c3\u03ba\u03bf\u03c2\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Compact_disc_player&amp;usg=ALkJrhiZ_yRaH-rx0n4PffIQVjz-zKdIgQ\">\u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ad\u03c2<\/a>\u00a0<a title=\"\u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae DVD\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/DVD_player&amp;usg=ALkJrhiH2GtsR_XnTP0vBVplaZorDKDyZg\">\u03b1\u03bd\u03b1\u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2<\/a>\u00a0<a class=\"mw-redirect\" title=\"\u03a3\u03c5\u03bc\u03c0\u03b1\u03b3\u03ae\u03c2 \u03b4\u03af\u03c3\u03ba\u03bf\u03c2\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Compact_disc_player&amp;usg=ALkJrhiZ_yRaH-rx0n4PffIQVjz-zKdIgQ\">CD<\/a>\u00a0\u03ba\u03b1\u03b9\u00a0<a title=\"\u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae DVD\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/DVD_player&amp;usg=ALkJrhiH2GtsR_XnTP0vBVplaZorDKDyZg\">DVD<\/a>\u00a0,\u00a0<a title=\"\u039f\u03b9\u03ba\u03b9\u03b1\u03ba\u03cc\u03c2 \u03ba\u03b9\u03bd\u03b7\u03bc\u03b1\u03c4\u03bf\u03b3\u03c1\u03ac\u03c6\u03bf\u03c2\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Home_cinema&amp;usg=ALkJrhigqZ_sqHZvrlAs0dtvf_omREEEPg\">\u03bf\u03b9\u03ba\u03b9\u03b1\u03ba\u03cc \u03b8\u03ad\u03b1\u03c4\u03c1\u03bf<\/a>\u00a0,\u00a0<a title=\"\u03a0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b9\u03ba\u03cc\u03c2 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03ae\u03c2\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Personal_computer&amp;usg=ALkJrhgh5-4d3GvdmsdsiOIy1ZxbfrEGjg\">\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b9\u03ba\u03bf\u03cd\u03c2 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03ad\u03c2<\/a>\u00a0\u03ae \u03c6\u03bf\u03c1\u03b7\u03c4\u03ad\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ad\u03c2 (\u03c0.\u03c7.\u00a0<a class=\"mw-redirect\" title=\"\u03a8\u03b7\u03c6\u03b9\u03b1\u03ba\u03ae \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03b1\u03bd\u03b1\u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03ae\u03c7\u03bf\u03c5\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Digital_audio_player&amp;usg=ALkJrhiNdEZ1_uD5CcJb-1aSQY6UJVWsUQ\">\u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03b1\u03bd\u03b1\u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03c8\u03b7\u03c6\u03b9\u03b1\u03ba\u03bf\u03cd \u03ae\u03c7\u03bf\u03c5<\/a>\u00a0\/\u00a0<a title=\"Mp3 player\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/MP3_player&amp;usg=ALkJrhiHIS601-W0AyuwRBjjRyL29wupDg\">MP3 player<\/a>\u00a0,\u00a0<a title=\"\u039a\u03b9\u03bd\u03b7\u03c4\u03cc \u03c4\u03b7\u03bb\u03ad\u03c6\u03c9\u03bd\u03bf\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Mobile_phone&amp;usg=ALkJrhhNwIA0OoFPANHgfJUrVw70u_7gcQ\">\u03ba\u03b9\u03bd\u03b7\u03c4\u03cc \u03c4\u03b7\u03bb\u03ad\u03c6\u03c9\u03bd\u03bf<\/a>\u00a0).<\/span>\u00a0<span class=\"notranslate\"><a title=\"\u0391\u03c3\u03cd\u03c1\u03bc\u03b1\u03c4\u03bf\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Cordless&amp;usg=ALkJrhirJ3ELV6vvfltCvPftJWRW0CS_TQ\">\u03a4\u03b1 \u03b1\u03c3\u03cd\u03c1\u03bc\u03b1\u03c4\u03b1<\/a>\u00a0\u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03b4\u03b5\u03bd \u03c3\u03c5\u03bd\u03b4\u03ad\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03c0\u03b7\u03b3\u03ae \u03c4\u03bf\u03c5\u03c2 \u03bc\u03ad\u03c3\u03c9 \u03ba\u03b1\u03bb\u03c9\u03b4\u03af\u03bf\u03c5.<\/span>\u00a0<span class=\"notranslate\">\u0391\u03bd\u03c4 '\u03b1\u03c5\u03c4\u03bf\u03cd, \u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03c5\u03bd \u03ad\u03bd\u03b1\u00a0<a title=\"\u03a1\u03b1\u03b4\u03b9\u03cc\u03c6\u03c9\u03bd\u03bf\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Radio&amp;usg=ALkJrhgnNNc12-YDMOxGy8yzPB3-VUDahA\">\u03c1\u03b1\u03b4\u03b9\u03cc\u03c6\u03c9\u03bd\u03bf<\/a>\u00a0\u03ae \u03ad\u03bd\u03b1\u00a0<a title=\"\u03a5\u03c0\u03ad\u03c1\u03c5\u03b8\u03c1\u03b5\u03c2\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Infrared&amp;usg=ALkJrhh4Xk7NNcUuhVboTlTNuYKaF5OPpg\">\u03c5\u03c0\u03ad\u03c1\u03c5\u03b8\u03c1\u03bf<\/a>\u00a0\u03c3\u03ae\u03bc\u03b1 \u03ba\u03c9\u03b4\u03b9\u03ba\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03bf \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03bc\u03b9\u03b1 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03c1\u03b1\u03b4\u03b9\u03bf\u03c6\u03ce\u03bd\u03bf\u03c5 \u03ae \u03c5\u03c0\u03ad\u03c1\u03c5\u03b8\u03c1\u03b7\u03c2 \u03bc\u03b5\u03c4\u03ac\u03b4\u03bf\u03c3\u03b7\u03c2, \u03cc\u03c0\u03c9\u03c2\u00a0<a title=\"\u0394\u03b9\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Frequency_modulation&amp;usg=ALkJrhh7yzd8tpNIUJq69O6BsVuID_EOwg\">FM<\/a>\u00a0,\u00a0<a title=\"Bluetooth\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Bluetooth&amp;usg=ALkJrhhCJp0HprEoH6XpCj5gaJfCtuchFg\">Bluetooth<\/a>\u00a0\u03ae\u00a0<a title=\"Wi-Fi\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Wi-Fi&amp;usg=ALkJrhgTybNBesqgn35E0iDhBTz03r-AUA\">Wi-Fi<\/a>\u00a0.<\/span>\u00a0<span class=\"notranslate\">\u0391\u03c5\u03c4\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03bf\u03c4\u03bf\u03cd\u03bc\u03b5\u03bd\u03b1 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b4\u03ad\u03ba\u03c4\u03b7, \u03b1\u03c0\u03cc \u03c4\u03b1 \u03bf\u03c0\u03bf\u03af\u03b1 \u03c4\u03b1 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03cc\u03bd\u03bf \u03ad\u03bd\u03b1 \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03bf.<\/span>\u00a0<span class=\"notranslate\">\u03a4\u03b1 \u03b1\u03c3\u03cd\u03c1\u03bc\u03b1\u03c4\u03b1 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03b5\u03ba\u03b4\u03b7\u03bb\u03ce\u03c3\u03b5\u03b9\u03c2 \u03cc\u03c0\u03c9\u03c2 \u03b7\u00a0<a title=\"\u03a3\u03b9\u03c9\u03c0\u03b7\u03bb\u03ae \u03bd\u03c4\u03af\u03c3\u03ba\u03bf\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Silent_disco&amp;usg=ALkJrhiE2OY0y-vkytfR_a3UJdqm87YPfA\">Silent disco<\/a>\u00a0\u03ae \u03b7\u00a0<a class=\"mw-redirect\" title=\"\u03a3\u03b9\u03c9\u03c0\u03b7\u03bb\u03ae \u03c3\u03c5\u03bd\u03b1\u03c5\u03bb\u03af\u03b1\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Silent_Gig&amp;usg=ALkJrhghBCGLnGqwrjridCpXVgDHa51KVw\">Silent Gig<\/a>\u00a0.<\/span><\/p>\n<div class=\"thumb tright\">\n<div class=\"thumbinner\"><img loading=\"lazy\" decoding=\"async\" class=\"thumbimage image-lazy-loaded alignleft\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/b\/b3\/Headphones-Sennheiser-HD555.jpg\/220px-Headphones-Sennheiser-HD555.jpg\" alt=\"\" width=\"220\" height=\"165\" \/><\/p>\n<div class=\"thumbcaption\"><span class=\"notranslate\"><a title=\"Sennheiser\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Sennheiser&amp;usg=ALkJrhgt8c4j2bVkfHNDREYdpb-K7boBYQ\">Sennheiser<\/a>\u00a0HD 555 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac, \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03b1\u00a0<a class=\"mw-redirect\" title=\"\u03a0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae \u03ae\u03c7\u03bf\u03c5\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Audio_Production&amp;usg=ALkJrhjfil2O3kvnMWNLGMPP9-0r5wLNwA\">\u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03ae\u03c7\u03bf\u03c5<\/a>\u00a0(2007)<\/span><\/div>\n<\/div>\n<\/div>\n<p><span class=\"notranslate\">\u03a3\u03c4\u03bf\u03bd\u00a0<a title=\"\u0395\u03c0\u03b1\u03b3\u03b3\u03b5\u03bb\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c2 \u03ae\u03c7\u03bf\u03c2\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Professional_audio&amp;usg=ALkJrhgRxRPmgFH-RAa0s3hHopQyEyQeew\">\u03b5\u03c0\u03b1\u03b3\u03b3\u03b5\u03bb\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc<\/a>\u00a0\u03c4\u03bf\u03bc\u03ad\u03b1\u00a0<a title=\"\u0395\u03c0\u03b1\u03b3\u03b3\u03b5\u03bb\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c2 \u03ae\u03c7\u03bf\u03c2\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Professional_audio&amp;usg=ALkJrhgRxRPmgFH-RAa0s3hHopQyEyQeew\">\u03ae\u03c7\u03bf\u03c5<\/a>\u00a0, \u03c4\u03b1 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b6\u03c9\u03bd\u03c4\u03b1\u03bd\u03ad\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b1\u03c0\u03cc\u00a0<a title=\"\u0391\u03bd\u03b1\u03b2\u03ac\u03c4\u03b7\u03c2 \u03b4\u03af\u03c3\u03ba\u03c9\u03bd\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Disc_jockey&amp;usg=ALkJrhhVbw3u9G5oeKaoGGpeA-O48QPZgQ\">\u03b4\u03af\u03c3\u03ba\u03bf\u03c5\u03c2 \u03b1\u03bd\u03b1\u03b2\u03ac\u03c4\u03b5\u03c2<\/a>\u00a0\u03bc\u03b5\u00a0<a title=\"\u039c\u03af\u03be\u03b5\u03c1 DJ\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/DJ_mixer&amp;usg=ALkJrhhTJFsNjPaBDp4BUvnh-A4Q7fbvjA\">DJ mixer<\/a>\u00a0\u03ba\u03b1\u03b9\u00a0<a class=\"mw-redirect\" title=\"\u039c\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03cc\u03c2 \u03ae\u03c7\u03bf\u03c5\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Sound_engineer&amp;usg=ALkJrhib0DO9LRl_e_ZDZWojrkZiVqoTaQ\">\u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03bf\u03cd\u03c2 \u03ae\u03c7\u03bf\u03c5<\/a>\u00a0\u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03cd\u03b8\u03b7\u03c3\u03b7 \u03c0\u03b7\u03b3\u03ce\u03bd \u03c3\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2.<\/span>\u00a0<span class=\"notranslate\">\u03a3\u03c4\u03b1 \u03c3\u03c4\u03bf\u03cd\u03bd\u03c4\u03b9\u03bf \u03c1\u03b1\u03b4\u03b9\u03bf\u03c6\u03ce\u03bd\u03bf\u03c5, \u03bf\u03b9\u00a0<a class=\"mw-redirect\" title=\"DJ\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/DJ&amp;usg=ALkJrhgJoTq9xoMoM3GTCF_8hTntzwNzMQ\">DJ<\/a>\u00a0\u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03ad\u03bd\u03b1 \u03b6\u03b5\u03c5\u03b3\u03ac\u03c1\u03b9 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03cc\u03c4\u03b1\u03bd \u03bc\u03b9\u03bb\u03bf\u03cd\u03bd \u03c3\u03c4\u03bf \u03bc\u03b9\u03ba\u03c1\u03cc\u03c6\u03c9\u03bd\u03bf \u03b5\u03bd\u03ce \u03c4\u03b1 \u03b7\u03c7\u03b5\u03af\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03be\u03b1\u03bb\u03b5\u03af\u03c8\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd\u00a0<a class=\"mw-redirect\" title=\"\u0391\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ae \u03b1\u03bd\u03b1\u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03cc\u03c4\u03b7\u03c3\u03b7\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Acoustic_feedback&amp;usg=ALkJrhiItZSTgJMqoy12URpv_hsElrGTkA\">\u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ae \u03b1\u03bd\u03b1\u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03cc\u03c4\u03b7\u03c3\u03b7<\/a>\u00a0\u03b5\u03bd\u03ce \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03bf\u03cd\u03bd \u03c4\u03b7 \u03b4\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5\u03c2 \u03c6\u03c9\u03bd\u03ae.<\/span>\u00a0<span class=\"notranslate\">\u03a3\u03c4\u03b9\u03c2 \u03b7\u03c7\u03bf\u03b3\u03c1\u03b1\u03c6\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c3\u03c4\u03bf \u03c3\u03c4\u03bf\u03cd\u03bd\u03c4\u03b9\u03bf, \u03bf\u03b9 \u03bc\u03bf\u03c5\u03c3\u03b9\u03ba\u03bf\u03af \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03c4\u03c1\u03b1\u03b3\u03bf\u03c5\u03b4\u03b9\u03c3\u03c4\u03ad\u03c2 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c0\u03b1\u03af\u03be\u03bf\u03c5\u03bd \u03ae \u03bd\u03b1 \u03c4\u03c1\u03b1\u03b3\u03bf\u03c5\u03b4\u03ae\u03c3\u03bf\u03c5\u03bd \u03bc\u03b1\u03b6\u03af \u03c3\u03b5 \u03ad\u03bd\u03b1 backing track \u03ae \u03bc\u03c0\u03ac\u03bd\u03c4\u03b1.<\/span>\u00a0<span class=\"notranslate\">\u03a3\u03b5 \u03c3\u03c4\u03c1\u03b1\u03c4\u03b9\u03c9\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2, \u03b7\u03c7\u03b7\u03c4\u03b9\u03ba\u03ac \u03c3\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03bb\u03bb\u03ce\u03bd \u03c0\u03bf\u03b9\u03ba\u03b9\u03bb\u03b9\u03ce\u03bd \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac.<\/span><\/p>\n<p><span class=\"notranslate\">\u03a4\u03b1 \u03b5\u03bd\u03c3\u03cd\u03c1\u03bc\u03b1\u03c4\u03b1 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03c3\u03c5\u03bd\u03b4\u03ad\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03c0\u03b7\u03b3\u03ae \u03ae\u03c7\u03bf\u03c5 \u03bc\u03ad\u03c3\u03c9 \u03ba\u03b1\u03bb\u03c9\u03b4\u03af\u03bf\u03c5.<\/span>\u00a0<span class=\"notranslate\">\u039f\u03b9 \u03c0\u03b9\u03bf \u03c3\u03c5\u03bd\u03b7\u03b8\u03b9\u03c3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c5\u03c0\u03bf\u03b4\u03bf\u03c7\u03ad\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 6,35 mm (\u00bc \u2033) \u03ba\u03b1\u03b9 3,5 mm.<\/span>\u00a0<span class=\"notranslate\">\u039f \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf\u03c2 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03bc\u03bf\u03c2 6,35 mm \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03bf \u03c3\u03c5\u03bd\u03b7\u03b8\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf\u03c2 \u03c3\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c3\u03af\u03b1 \u03bf\u03b9\u03ba\u03b9\u03b1\u03ba\u03bf\u03cd \u03ae \u03b5\u03c0\u03b1\u03b3\u03b3\u03b5\u03bb\u03bc\u03b1\u03c4\u03b9\u03ba\u03bf\u03cd \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03bf\u03cd.<\/span>\u00a0<span class=\"notranslate\">\u039f \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03bc\u03bf\u03c2 3,5 mm \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03b5\u03b9 \u03bf \u03c0\u03b9\u03bf \u03b4\u03b9\u03b1\u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03bf\u03c2 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03bc\u03bf\u03c2 \u03b3\u03b9\u03b1 \u03c6\u03bf\u03c1\u03b7\u03c4\u03ae \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03c3\u03ae\u03bc\u03b5\u03c1\u03b1.<\/span>\u00a0<span class=\"notranslate\">\u0394\u03b9\u03b1\u03c4\u03af\u03b8\u03b5\u03bd\u03c4\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03b5\u03af\u03c2 \u03b3\u03b9\u03b1 \u03bc\u03b5\u03c4\u03b1\u03c4\u03c1\u03bf\u03c0\u03ae \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ce\u03bd 6,35 mm \u03ba\u03b1\u03b9 3,5 mm.<\/span><\/p>\n<h3 class=\"in-block\"><span class=\"notranslate\"><span id=\"Impedance\" class=\"mw-headline\">\u0391\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7<\/span><\/span><\/h3>\n<p><span class=\"notranslate\">\u03a4\u03b1 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03b4\u03b9\u03b1\u03c4\u03af\u03b8\u03b5\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c5\u03c8\u03b7\u03bb\u03ae \u03ae \u03c7\u03b1\u03bc\u03b7\u03bb\u03ae\u00a0<a title=\"\u0397\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ae \u03c3\u03cd\u03bd\u03b8\u03b5\u03c4\u03b7 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Electrical_impedance&amp;usg=ALkJrhh0VhGYG869oxgwliltc4yBme1DHQ\">\u03c3\u03cd\u03bd\u03b8\u03b5\u03c4\u03b7 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7<\/a>\u00a0(\u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03bc\u03b5\u03c4\u03c1\u03ac\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b1 1 kHz).<\/span>\u00a0<span class=\"notranslate\">\u03a4\u03b1 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03c7\u03b1\u03bc\u03b7\u03bb\u03ae\u03c2 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \u03ba\u03c5\u03bc\u03b1\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc 16 \u03ad\u03c9\u03c2 32 ohms \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03c3\u03cd\u03bd\u03b8\u03b5\u03c4\u03b7\u03c2 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b5\u03c1\u03af\u03c0\u03bf\u03c5 100-600 ohms.<\/span>\u00a0<span class=\"notranslate\">\u039a\u03b1\u03b8\u03ce\u03c2 \u03b7 \u03c3\u03cd\u03bd\u03b8\u03b5\u03c4\u03b7 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b5\u03bd\u03cc\u03c2 \u03b6\u03b5\u03cd\u03b3\u03bf\u03c5\u03c2 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9, \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b7 \u03c4\u03ac\u03c3\u03b7 (\u03c3\u03b5 \u03ad\u03bd\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03bf \u03c1\u03b5\u03cd\u03bc\u03b1) \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c4\u03bf \u03bf\u03b4\u03b7\u03b3\u03ae\u03c3\u03b5\u03b9 \u03ba\u03b1\u03b9 \u03b7 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03b3\u03b9\u03b1 \u03bc\u03b9\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b7 \u03c4\u03ac\u03c3\u03b7 \u03bc\u03b5\u03b9\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9.<\/span>\u00a0<span class=\"notranslate\">\u03a4\u03b1 \u03c4\u03b5\u03bb\u03b5\u03c5\u03c4\u03b1\u03af\u03b1 \u03c7\u03c1\u03cc\u03bd\u03b9\u03b1, \u03b7 \u03c3\u03cd\u03bd\u03b8\u03b5\u03c4\u03b7 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03c9\u03bd \u03bd\u03b5\u03cc\u03c4\u03b5\u03c1\u03c9\u03bd \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03ad\u03c7\u03b5\u03b9 \u03b3\u03b5\u03bd\u03b9\u03ba\u03ac \u03bc\u03b5\u03b9\u03c9\u03b8\u03b5\u03af \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03ba\u03b1\u03bb\u03cd\u03c8\u03b5\u03b9 \u03c7\u03b1\u03bc\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b4\u03b9\u03b1\u03b8\u03ad\u03c3\u03b9\u03bc\u03b5\u03c2 \u03c3\u03b5 \u03c6\u03bf\u03c1\u03b7\u03c4\u03ad\u03c2 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bd\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03b2\u03b1\u03c3\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5\u00a0<a title=\"CMOS\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/CMOS&amp;usg=ALkJrhg2VQ8pownZDCmXp5nrodwkehj0Sw\">CMOS<\/a>\u00a0\u03bc\u03b5 \u03bc\u03c0\u03b1\u03c4\u03b1\u03c1\u03af\u03b1.<\/span>\u00a0<span class=\"notranslate\">\u0391\u03c5\u03c4\u03cc \u03b5\u03af\u03c7\u03b5 \u03c9\u03c2 \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03bf\u03b4\u03b7\u03b3\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c4\u03b5\u03c1\u03b1 \u03b1\u03c0\u03cc \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bd\u03b9\u03ba\u03ac \u03c0\u03bf\u03c5 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd\u03bd \u03bc\u03b5 \u03bc\u03c0\u03b1\u03c4\u03b1\u03c1\u03af\u03b1.<\/span>\u00a0<span class=\"notranslate\">\u039a\u03b1\u03c4\u03ac \u03c3\u03c5\u03bd\u03ad\u03c0\u03b5\u03b9\u03b1, \u03bf\u03b9 \u03bd\u03b5\u03cc\u03c4\u03b5\u03c1\u03bf\u03b9 \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ad\u03c2 \u03b2\u03b1\u03c3\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c3\u03c7\u03ad\u03b4\u03b9\u03b1 \u03bc\u03b5 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03c7\u03b1\u03bc\u03b7\u03bb\u03ae \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b5\u03be\u03cc\u03b4\u03bf\u03c5.<\/span><\/p>\n<p><span class=\"notranslate\">\u0397 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03b1\u03bd\u03b7\u03c3\u03c5\u03c7\u03b5\u03af \u03bb\u03cc\u03b3\u03c9 \u03c4\u03c9\u03bd \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03ce\u03bd \u03b5\u03be\u03cc\u03b4\u03bf\u03c5 \u03c4\u03c9\u03bd \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ce\u03bd.<\/span>\u00a0<span class=\"notranslate\">\u0388\u03bd\u03b1 \u03bc\u03bf\u03bd\u03c4\u03ad\u03c1\u03bd\u03bf \u03b6\u03b5\u03c5\u03b3\u03ac\u03c1\u03b9 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03bf\u03b4\u03b7\u03b3\u03b5\u03af\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1\u03bd \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae, \u03bc\u03b5 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03c7\u03b1\u03bc\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b7\u03c2 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03b9\u03ac\u03b6\u03bf\u03c5\u03bd \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf \u03c6\u03bf\u03c1\u03c4\u03af\u03bf.<\/span>\u00a0<span class=\"notranslate\">\u039f\u03b9 \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ad\u03c2 \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03bf\u03af.<\/span>\u00a0<span class=\"notranslate\">\u0388\u03c7\u03bf\u03c5\u03bd \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03ba\u03ac\u03c0\u03bf\u03b9\u03b1 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b5\u03be\u03cc\u03b4\u03bf\u03c5 \u03c0\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03af\u03b6\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c0\u03bf\u03c3\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b9\u03c3\u03c7\u03cd\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c0\u03b1\u03c1\u03ad\u03c7\u03bf\u03c5\u03bd.<\/span>\u00a0<span class=\"notranslate\">\u0393\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03b9\u03c3\u03c4\u03b5\u03af \u03bc\u03b9\u03b1 \u03bf\u03bc\u03bf\u03b9\u03cc\u03bc\u03bf\u03c1\u03c6\u03b7 \u03b1\u03c0\u03cc\u03ba\u03c1\u03b9\u03c3\u03b7 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2, \u03b5\u03c0\u03b1\u03c1\u03ba\u03ae\u03c2\u00a0<a title=\"\u03a3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03b1\u03c0\u03cc\u03c3\u03b2\u03b5\u03c3\u03b7\u03c2\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Damping_factor&amp;usg=ALkJrhjFiFmVar9CRY5rjrGGaSaK_Il61A\">\u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03b1\u03c0\u03cc\u03c3\u03b2\u03b5\u03c3\u03b7\u03c2<\/a>\u00a0\u03ba\u03b1\u03b9 \u03bc\u03b7 \u03c0\u03b1\u03c1\u03b1\u03bc\u03bf\u03c1\u03c6\u03c9\u03bc\u03ad\u03bd\u03bf\u03c2 \u03ae\u03c7\u03bf\u03c2, \u03ad\u03bd\u03b1\u03c2 \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03c3\u03cd\u03bd\u03b8\u03b5\u03c4\u03b7 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b5\u03be\u03cc\u03b4\u03bf\u03c5 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7 \u03b1\u03c0\u03cc \u03c4\u03bf 1\/8 \u03b1\u03c5\u03c4\u03ae\u03c2 \u03c4\u03c9\u03bd \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03c0\u03bf\u03c5 \u03bf\u03b4\u03b7\u03b3\u03b5\u03af (\u03ba\u03b1\u03b9 \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03ac, \u03cc\u03c3\u03bf \u03c4\u03bf \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03bd \u03c7\u03b1\u03bc\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b1).<\/span>\u00a0<span class=\"notranslate\">\u0395\u03ac\u03bd \u03b7 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b5\u03be\u03cc\u03b4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03c3\u03b5 \u03c3\u03cd\u03b3\u03ba\u03c1\u03b9\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c3\u03cd\u03bd\u03b8\u03b5\u03c4\u03b7 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd, \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03c0\u03bf\u03bb\u03cd \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7.<\/span>\u00a0<span class=\"notranslate\"><sup id=\"cite_ref-11\" class=\"reference\"><a href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Headphones&amp;usg=ALkJrhj9fQwDTyrfOx3q8KAMgP2qwzJjnw#cite_note-11\">[11]<\/a><\/sup>\u00a0\u0395\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2, \u03c4\u03b1 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03c7\u03b1\u03bc\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b7\u03c2 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \u03c4\u03b5\u03af\u03bd\u03bf\u03c5\u03bd \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03bf \u03b4\u03c5\u03bd\u03b1\u03c4\u03ac \u03ba\u03b1\u03b9 \u03c0\u03b9\u03bf \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac, \u03b1\u03bb\u03bb\u03ac \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bd \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03ad\u03bd\u03b1\u03bd \u03c0\u03b9\u03bf \u03b9\u03ba\u03b1\u03bd\u03cc \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae.<\/span>\u00a0<span class=\"notranslate\">\u03a4\u03b1 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03c5\u03c8\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b7\u03c2 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03bf \u03b1\u03bd\u03b5\u03ba\u03c4\u03b9\u03ba\u03ac \u03c3\u03c4\u03bf\u03c5\u03c2 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2 \u03c4\u03bf\u03c5 \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae, \u03b1\u03bb\u03bb\u03ac \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03c5\u03bd \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 \u03b3\u03b9\u03b1 \u03ad\u03bd\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03b5\u03be\u03cc\u03b4\u03bf\u03c5.<\/span><\/p>\n<p><span class=\"notranslate\">\u0399\u03c3\u03c4\u03bf\u03c1\u03b9\u03ba\u03ac, \u03c0\u03bf\u03bb\u03bb\u03ac \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03b5\u03af\u03c7\u03b1\u03bd \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03c5\u03c8\u03b7\u03bb\u03ae \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7, \u03c3\u03c5\u03c7\u03bd\u03ac \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc 500 ohms, \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd\u03bd \u03ba\u03b1\u03bb\u03ac \u03bc\u03b5\u00a0<a title=\"\u0395\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae\u03c2 \u03b2\u03b1\u03bb\u03b2\u03af\u03b4\u03c9\u03bd\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Valve_amplifier&amp;usg=ALkJrhiUcUzglu3iX8ukBnaDXUhnO2sRjA#Operation\">\u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ad\u03c2 \u03c3\u03c9\u03bb\u03ae\u03bd\u03c9\u03bd<\/a>\u00a0\u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03c3\u03cd\u03bd\u03b8\u03b5\u03c4\u03b7\u03c2 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2.<\/span>\u00a0<span class=\"notranslate\">\u0391\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b1, \u03bf\u03b9 \u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03bf\u03b9 \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ad\u03c2 \u03c4\u03c1\u03b1\u03bd\u03b6\u03af\u03c3\u03c4\u03bf\u03c1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c0\u03bf\u03bb\u03cd \u03c7\u03b1\u03bc\u03b7\u03bb\u03ae \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b5\u03be\u03cc\u03b4\u03bf\u03c5, \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03bf\u03bd\u03c4\u03b1\u03c2 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03c7\u03b1\u03bc\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b7\u03c2 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2.<\/span>\u00a0<span class=\"notranslate\">\u0394\u03c5\u03c3\u03c4\u03c5\u03c7\u03ce\u03c2, \u03b1\u03c5\u03c4\u03cc \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03c0\u03b1\u03bb\u03b1\u03b9\u03cc\u03c4\u03b5\u03c1\u03bf\u03b9 \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ad\u03c2 \u03ae\u03c7\u03bf\u03c5 \u03ae \u03c3\u03c4\u03b5\u03c1\u03b5\u03bf\u03c6\u03c9\u03bd\u03b9\u03ba\u03ac \u03c3\u03c5\u03c7\u03bd\u03ac \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03c5\u03bd \u03ad\u03be\u03bf\u03b4\u03bf \u03ba\u03b1\u03ba\u03ae\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c3\u03b5 \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b1 \u03bc\u03bf\u03bd\u03c4\u03ad\u03c1\u03bd\u03b1 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03c7\u03b1\u03bc\u03b7\u03bb\u03ae\u03c2 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2.<\/span>\u00a0<span class=\"notranslate\">\u03a3\u03b5 \u03b1\u03c5\u03c4\u03ae\u03bd \u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03af\u03c0\u03c4\u03c9\u03c3\u03b7, \u03ad\u03bd\u03b1\u03c2 \u03b5\u03be\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03cc\u03c2\u00a0<a title=\"\u0395\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae\u03c2 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Headphone_amplifier&amp;usg=ALkJrhiDpJZa6ABaXyyAViwZ3mQVnyCzSg\">\u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae\u03c2 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd<\/a>\u00a0\u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03c0\u03c9\u03c6\u03b5\u03bb\u03ae\u03c2.<\/span><\/p>\n<p><img decoding=\"async\" class=\"alignleft\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/4\/41\/GradoPrestige-HeadphoneArticle.jpg\/220px-GradoPrestige-HeadphoneArticle.jpg\" \/><\/p>\n<h3 class=\"in-block\"><span class=\"notranslate\"><span id=\"Sensitivity\" class=\"mw-headline\">\u0395\u03c5\u03b1\u03b9\u03c3\u03b8\u03b7\u03c3\u03af\u03b1<\/span><\/span><\/h3>\n<p><span class=\"notranslate\">\u0397 \u03b5\u03c5\u03b1\u03b9\u03c3\u03b8\u03b7\u03c3\u03af\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03bc\u03ad\u03c4\u03c1\u03bf \u03c4\u03bf\u03c5 \u03c0\u03cc\u03c3\u03bf \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03ad\u03bd\u03b1 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03cc \u03bc\u03b5\u03c4\u03b1\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03b5\u03b9\u03c3\u03b5\u03c1\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u03c3\u03ae\u03bc\u03b1 \u03c3\u03b5 \u03ad\u03bd\u03b1\u03bd \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03cc \u03ae\u03c7\u03bf.<\/span>\u00a0<span class=\"notranslate\">\u0394\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03ad\u03c4\u03c3\u03b9 \u03c0\u03cc\u03c3\u03bf \u03b4\u03c5\u03bd\u03b1\u03c4\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03b1 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03b3\u03b9\u03b1 \u03ad\u03bd\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ae\u03c2 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7\u03c2.<\/span>\u00a0<span class=\"notranslate\">\u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b5\u03c4\u03c1\u03b7\u03b8\u03b5\u03af \u03c3\u03b5\u00a0<a title=\"\u0397\u03c7\u03cc\u03bc\u03b5\u03c4\u03c1\u03bf\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Decibel&amp;usg=ALkJrhhl75YwhlNlfvkez6TUoyiAlnm3og\">\u03bd\u03c4\u03b5\u03c3\u03b9\u03bc\u03c0\u03ad\u03bb<\/a>\u00a0<a title=\"\u0397\u03c7\u03b7\u03c4\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Sound_pressure&amp;usg=ALkJrhin7i9mOmIhuEsoAXLiTk4HV131Mg\">\u03c3\u03c4\u03ac\u03b8\u03bc\u03b7\u03c2 \u03b7\u03c7\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c0\u03af\u03b5\u03c3\u03b7\u03c2<\/a>\u00a0\u03b1\u03bd\u03ac milliwatt (dB (SPL) \/ mW) \u03ae \u03bd\u03c4\u03b5\u03c3\u03b9\u03bc\u03c0\u03ad\u03bb \u03c3\u03c4\u03ac\u03b8\u03bc\u03b7\u03c2 \u03b7\u03c7\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c0\u03af\u03b5\u03c3\u03b7\u03c2 \u03b1\u03bd\u03ac\u00a0<a title=\"\u0392\u03cc\u03bb\u03c4\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Volt&amp;usg=ALkJrhjEZMRU7aRhUYJtXFLUg1tyIu1cmw\">\u03b2\u03bf\u03bb\u03c4<\/a>\u00a0(dB (SPL) \/ V).<\/span>\u00a0<span class=\"notranslate\"><sup id=\"cite_ref-12\" class=\"reference\"><a href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Headphones&amp;usg=ALkJrhj9fQwDTyrfOx3q8KAMgP2qwzJjnw#cite_note-12\">[12]<\/a><\/sup>\u00a0\u0394\u03c5\u03c3\u03c4\u03c5\u03c7\u03ce\u03c2, \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03b4\u03cd\u03bf \u03bf\u03c1\u03b9\u03c3\u03bc\u03bf\u03af \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b5\u03c5\u03c1\u03ad\u03c9\u03c2, \u03c3\u03c5\u03c7\u03bd\u03ac \u03b5\u03bd\u03b1\u03bb\u03bb\u03ac\u03be\u03b9\u03bc\u03b1.<\/span>\u00a0<span class=\"notranslate\">\u039a\u03b1\u03b8\u03ce\u03c2 \u03b7 \u03c4\u03ac\u03c3\u03b7 \u03b5\u03be\u03cc\u03b4\u03bf\u03c5 (\u03b1\u03bb\u03bb\u03ac \u03cc\u03c7\u03b9 \u03b7 \u03b9\u03c3\u03c7\u03cd\u03c2) \u03b5\u03bd\u03cc\u03c2 \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf\u03c5\u03c3\u03b9\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03b3\u03b9\u03b1 \u03c4\u03b1 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b1 \u03ba\u03bf\u03b9\u03bd\u03ac \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac, \u03c4\u03bf dB \/ mW \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c5\u03c7\u03bd\u03ac \u03c0\u03b9\u03bf \u03c7\u03c1\u03ae\u03c3\u03b9\u03bc\u03bf \u03b1\u03bd \u03bc\u03b5\u03c4\u03b1\u03c4\u03c1\u03b1\u03c0\u03b5\u03af \u03c3\u03b5 dB \/ V \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf\u00a0<a title=\"\u039f \u03bd\u03cc\u03bc\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03a9\u03bc\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Ohm%2527s_law&amp;usg=ALkJrhizjiA0spwURjKJ0GHQdl6cBMAsrA\">\u03bd\u03cc\u03bc\u03bf \u03c4\u03bf\u03c5 Ohm<\/a>\u00a0:<\/span><\/p>\n<dl>\n<dd><span class=\"notranslate\">\u00a0<span class=\"mwe-math-element\"><span class=\"mwe-math-mathml-inline mwe-math-mathml-a11y\">{\\ displaystyle \\ mathrm {dB (SPL)} \/ \\ mathrm {V} = \\ mathrm {dB (SPL)} \/ \\ mathrm {mW} -10 \\ cdot \\ log _ {10} {\\ frac {\\ mathrm {Impedance }} {1000}}}<\/span><\/span><\/span><img loading=\"lazy\" decoding=\"async\" class=\"mwe-math-fallback-image-inline image-lazy-loaded\" src=\"https:\/\/wikimedia.org\/api\/rest_v1\/media\/math\/render\/svg\/36aa177f0368b4ea9a65bd03d6701407525b1b46\" alt=\"{\\displaystyle \\mathrm {dB(SPL)} \/\\mathrm {V} =\\mathrm {dB(SPL)} \/\\mathrm {mW} -10\\cdot \\log _{10}{\\frac {\\mathrm {Impedance} }{1000}}}\" width=\"0\" height=\"0\" \/><\/dd>\n<\/dl>\n<p><span class=\"notranslate\">\u0395\u03bd\u03b1\u03bb\u03bb\u03b1\u03ba\u03c4\u03b9\u03ba\u03ac, \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b7\u03b8\u03bf\u03cd\u03bd \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03bc\u03b7\u03c7\u03b1\u03bd\u03ad\u03c2.<\/span>\u00a0<span class=\"notranslate\"><sup id=\"cite_ref-13\" class=\"reference\"><a href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Headphones&amp;usg=ALkJrhj9fQwDTyrfOx3q8KAMgP2qwzJjnw#cite_note-13\">[13]<\/a><\/sup>\u00a0\u038c\u03c4\u03b1\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b3\u03bd\u03c9\u03c3\u03c4\u03ae \u03b7 \u03b5\u03c5\u03b1\u03b9\u03c3\u03b8\u03b7\u03c3\u03af\u03b1 \u03b1\u03bd\u03ac \u03b2\u03bf\u03bb\u03c4, \u03b7 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 \u03b3\u03b9\u03b1 \u03ad\u03bd\u03b1 \u03b6\u03b5\u03c5\u03b3\u03ac\u03c1\u03b9 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03b5\u03cd\u03ba\u03bf\u03bb\u03b1 \u03bd\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03b5\u03af \u03b1\u03c0\u03cc \u03c4\u03b7 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03c4\u03ac\u03c3\u03b7 \u03b5\u03be\u03cc\u03b4\u03bf\u03c5 \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae.<\/span>\u00a0<span class=\"notranslate\">\u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03b3\u03b9\u03b1 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03b5\u03c5\u03b1\u03b9\u03c3\u03b8\u03b7\u03c3\u03af\u03b1 100 dB (SPL) \/ V, \u03ad\u03bd\u03b1\u03c2 \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae\u03c2 \u03bc\u03b5 \u03ad\u03be\u03bf\u03b4\u03bf 1\u00a0<a title=\"Root \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03c4\u03b5\u03c4\u03c1\u03ac\u03b3\u03c9\u03bd\u03bf\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Root_mean_square&amp;usg=ALkJrhhc9YTrVsmSKhSZJC9VvaTdOVbeHA\">\u03bc\u03ad\u03c3\u03b7\u03c2 \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03c9\u03bd\u03b9\u03ba\u03ae\u03c2 \u03c1\u03af\u03b6\u03b1\u03c2<\/a>\u00a0(RMS) \u03c0\u03b1\u03c1\u03ac\u03b3\u03b5\u03b9 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 100 dB.<\/span><\/p>\n<p><img decoding=\"async\" class=\"alignleft\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/3\/3d\/Communication_Headset.jpg\/180px-Communication_Headset.jpg\" \/><\/p>\n<p><span class=\"notranslate\">\u0397 \u03c3\u03cd\u03b6\u03b5\u03c5\u03be\u03b7 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03b5\u03c5\u03b1\u03b9\u03c3\u03b8\u03b7\u03c3\u03af\u03b1\u03c2 \u03bc\u03b5 \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ad\u03c2 \u03b9\u03c3\u03c7\u03cd\u03bf\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b3\u03b5\u03b9 \u03b5\u03c0\u03b9\u03ba\u03af\u03bd\u03b4\u03c5\u03bd\u03b1 \u03c5\u03c8\u03b7\u03bb\u03ae \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03ad\u03c3\u03b5\u03b9 \u03b6\u03b7\u03bc\u03b9\u03ac \u03c3\u03c4\u03b1 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac.<\/span>\u00a0<span class=\"notranslate\">\u03a4\u03bf \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf\u00a0<a title=\"\u0397\u03c7\u03b7\u03c4\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Sound_pressure&amp;usg=ALkJrhin7i9mOmIhuEsoAXLiTk4HV131Mg\">\u03b7\u03c7\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c0\u03af\u03b5\u03c3\u03b7\u03c2<\/a>\u00a0\u03b5\u03af\u03bd\u03b1\u03b9 \u03b8\u03ad\u03bc\u03b1 \u03c0\u03c1\u03bf\u03c4\u03af\u03bc\u03b7\u03c3\u03b7\u03c2, \u03bc\u03b5 \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c0\u03b7\u03b3\u03ad\u03c2 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c4\u03b5\u03af\u03bd\u03bf\u03c5\u03bd \u03cc\u03c7\u03b9 \u03c5\u03c8\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b1 \u03b1\u03c0\u03cc 110 \u03ad\u03c9\u03c2 120 dB.<\/span>\u00a0<span class=\"notranslate\">\u0391\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b1, \u03b7 \u0391\u03bc\u03b5\u03c1\u03b9\u03ba\u03b1\u03bd\u03b9\u03ba\u03ae\u00a0<a title=\"\u039f\u03c1\u03b3\u03b1\u03bd\u03b9\u03c3\u03bc\u03cc\u03c2 \u03a5\u03b3\u03b9\u03b5\u03b9\u03bd\u03ae\u03c2 \u03ba\u03b1\u03b9 \u0391\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1\u03c2 \u03c3\u03c4\u03b7\u03bd \u0395\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Occupational_Safety_and_Health_Administration&amp;usg=ALkJrhhBSrQdtaqmGgbphcQ9Fn6qkJursw\">\u0394\u03b9\u03bf\u03af\u03ba\u03b7\u03c3\u03b7 \u0391\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03a5\u03b3\u03b5\u03af\u03b1\u03c2 \u03c3\u03c4\u03b7\u03bd \u0395\u03c1\u03b3\u03b1\u03c3\u03af\u03b1<\/a>\u00a0\u03c0\u03c1\u03bf\u03c4\u03b5\u03af\u03bd\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03bc\u03ad\u03c3\u03bf SPL \u03cc\u03c7\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf \u03b1\u03c0\u03cc 85 dB (A) \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03c0\u03bf\u03c6\u03b5\u03c5\u03c7\u03b8\u03b5\u03af \u03b7 \u03bc\u03b1\u03ba\u03c1\u03bf\u03c7\u03c1\u03cc\u03bd\u03b9\u03b1 \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1 \u03b1\u03ba\u03bf\u03ae\u03c2, \u03b5\u03bd\u03ce \u03c4\u03bf \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03bf EN 50332-1: 2013 \u03c4\u03b7\u03c2\u00a0<a title=\"\u0395\u03c5\u03c1\u03c9\u03c0\u03b1\u03ca\u03ba\u03ae \u0388\u03bd\u03c9\u03c3\u03b7\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/European_Union&amp;usg=ALkJrhjBgRbhcISHonLxotMZ3667ckP2zw\">\u0395\u03c5\u03c1\u03c9\u03c0\u03b1\u03ca\u03ba\u03ae\u03c2 \u0388\u03bd\u03c9\u03c3\u03b7\u03c2<\/a>\u00a0\u03c3\u03c5\u03bd\u03b9\u03c3\u03c4\u03ac \u03cc\u03b3\u03ba\u03bf\u03c5\u03c2 \u03ac\u03bd\u03c9 \u03c4\u03c9\u03bd 85 dB (A ) \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c0\u03c1\u03bf\u03b5\u03b9\u03b4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7, \u03bc\u03b5 \u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03b7 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7 (\u03bf\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03b8\u03cc\u03c1\u03c5\u03b2\u03bf 40\u20134000 Hz) \u03cc\u03c7\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b1\u03c0\u03cc 100 dB \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03c6\u03c5\u03b3\u03ae \u03c4\u03c5\u03c7\u03b1\u03af\u03b1\u03c2 \u03b2\u03bb\u03ac\u03b2\u03b7\u03c2 \u03c4\u03b7\u03c2 \u03b1\u03ba\u03bf\u03ae\u03c2.<\/span>\u00a0<span class=\"notranslate\"><sup id=\"cite_ref-14\" class=\"reference\"><a href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Headphones&amp;usg=ALkJrhj9fQwDTyrfOx3q8KAMgP2qwzJjnw#cite_note-14\">[14]<\/a><\/sup>\u00a0\u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03bf, \u03c4\u03b1 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03b5\u03c5\u03b1\u03b9\u03c3\u03b8\u03b7\u03c3\u03af\u03b5\u03c2 90, 100 \u03ba\u03b1\u03b9 110 dB (SPL) \/ V \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03bf\u03b4\u03b7\u03b3\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ae \u03b9\u03ba\u03b1\u03bd\u03cc \u03bd\u03b1 \u03bc\u03b7\u03bd \u03c5\u03c0\u03b5\u03c1\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03c4\u03b1 3,162, 1,0 \u03ba\u03b1\u03b9 0,3162 RMS \u03b2\u03bf\u03bb\u03c4 \u03c3\u03c4\u03b7 \u03c1\u03cd\u03b8\u03bc\u03b9\u03c3\u03b7 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7\u03c2 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7\u03c2, \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03bc\u03b5\u03af\u03c9\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b4\u03cd\u03bd\u03bf\u03c5 \u03b2\u03bb\u03ac\u03b2\u03b7\u03c2 \u03c4\u03b7\u03c2 \u03b1\u03ba\u03bf\u03ae\u03c2.<\/span><\/p>\n<p><span class=\"notranslate\">\u0397 \u03b5\u03c5\u03b1\u03b9\u03c3\u03b8\u03b7\u03c3\u03af\u03b1 \u03c4\u03c9\u03bd \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c0\u03b5\u03c1\u03af\u03c0\u03bf\u03c5 80 \u03ba\u03b1\u03b9 125 dB \/ mW \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03bc\u03b5\u03c4\u03c1\u03ac\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b1 1 kHz.<\/span>\u00a0<span class=\"notranslate\"><sup id=\"cite_ref-15\" class=\"reference\"><a href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;hl=el&amp;prev=search&amp;rurl=translate.google.com&amp;sl=en&amp;sp=nmt4&amp;u=https:\/\/en.m.wikipedia.org\/wiki\/Headphones&amp;usg=ALkJrhj9fQwDTyrfOx3q8KAMgP2qwzJjnw#cite_note-15\">[15]<\/a><\/sup><\/span><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u03a4\u03b1 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03c0\u03c1\u03bf\u03ad\u03c1\u03c7\u03bf\u03bd\u03c4\u03b1\u03bd \u03b1\u03c0\u03cc \u03c4\u03bf \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03cc \u03c4\u03bf\u03c5 \u03b4\u03ad\u03ba\u03c4\u03b7 \u03c4\u03b7\u03bb\u03b5\u03c6\u03ce\u03bd\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03ae\u03c4\u03b1\u03bd \u03bf \u03bc\u03cc\u03bd\u03bf\u03c2 \u03c4\u03c1\u03cc\u03c0\u03bf\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03ba\u03bf\u03cd\u03c3\u03b5\u03c4\u03b5 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ac\u00a0\u03c3\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ae\u03c7\u03bf\u03c5\u00a0\u03c0\u03c1\u03b9\u03bd \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03c0\u03c4\u03c5\u03be\u03b7 \u03b5\u03bd\u03b9\u03c3\u03c7\u03c5\u03c4\u03ce\u03bd.\u00a0\u03a4\u03bf \u03c0\u03c1\u03ce\u03c4\u03bf \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03b7\u03bc\u03ad\u03bd\u03bf \u03c3\u03b5\u03c4 \u03b1\u03bd\u03b1\u03c0\u03c4\u03cd\u03c7\u03b8\u03b7\u03ba\u03b5 \u03c4\u03bf 1910&nbsp;[ &hellip; ]<\/p>\n","protected":false},"author":123409,"featured_media":444,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-443","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-3","col-sm-6"],"_links":{"self":[{"href":"https:\/\/blogs.e-me.edu.gr\/hive-pliroforikidxanthi\/wp-json\/wp\/v2\/posts\/443","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.e-me.edu.gr\/hive-pliroforikidxanthi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.e-me.edu.gr\/hive-pliroforikidxanthi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.e-me.edu.gr\/hive-pliroforikidxanthi\/wp-json\/wp\/v2\/users\/123409"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.e-me.edu.gr\/hive-pliroforikidxanthi\/wp-json\/wp\/v2\/comments?post=443"}],"version-history":[{"count":0,"href":"https:\/\/blogs.e-me.edu.gr\/hive-pliroforikidxanthi\/wp-json\/wp\/v2\/posts\/443\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blogs.e-me.edu.gr\/hive-pliroforikidxanthi\/wp-json\/wp\/v2\/media\/444"}],"wp:attachment":[{"href":"https:\/\/blogs.e-me.edu.gr\/hive-pliroforikidxanthi\/wp-json\/wp\/v2\/media?parent=443"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.e-me.edu.gr\/hive-pliroforikidxanthi\/wp-json\/wp\/v2\/categories?post=443"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.e-me.edu.gr\/hive-pliroforikidxanthi\/wp-json\/wp\/v2\/tags?post=443"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}