{"id":110,"date":"2026-08-15T13:18:51","date_gmt":"2026-08-15T13:18:51","guid":{"rendered":"https:\/\/www.ktaudio.hu\/blog\/?p=110"},"modified":"2026-08-15T13:18:53","modified_gmt":"2026-08-15T13:18:53","slug":"egy-tannoy-profile-638-karbantartasa","status":"publish","type":"post","link":"https:\/\/www.ktaudio.hu\/blog\/2026\/08\/15\/egy-tannoy-profile-638-karbantartasa\/","title":{"rendered":"Egy Tannoy Profile 638 karbantart\u00e1sa"},"content":{"rendered":"\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Amikor a hifi-misztikum m\u00f6g\u00f6tt k\u0151kem\u00e9ny fizika \u00e1ll: Egy Tannoy Profile 638 karbantart\u00e1sa<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Szakmai k\u00f6r\u00f6kben \u00e9s az online f\u00f3rumokon gyakran tal\u00e1lkozni azzal a jelens\u00e9ggel, hogy ha egy klasszikus, \u00e9vtizedes hangfal hangja \u201eellaposodik\u201d, elvesz\u00edti a dinamik\u00e1j\u00e1t vagy tomp\u00e1v\u00e1 v\u00e1lik, a k\u00f6z\u00f6ss\u00e9g azonnal a hangv\u00e1lt\u00f3 alkatr\u00e9szeinek el\u00f6reged\u00e9s\u00e9re gyanakszik \u00e9s egyb\u0151l \u00e1t\u00e9p\u00edt\u00e9st javasol. Egy hozz\u00e1m \u00e9rkezett <strong>Tannoy Profile 638 (D80)<\/strong> esete azonban t\u00f6k\u00e9letesen bebizony\u00edtotta, hogy a diagnosztik\u00e1t nem a hiedelmekre, meg\u00e9rz\u00e9sekre, hanem az objekt\u00edv m\u00e9r\u00e9sekre \u00e9s az alapos karbantart\u00e1sra kell alapozni.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">A probl\u00e9ma: +6 dB-es korrekci\u00f3s k\u00e9nyszer<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A hangfal tulajdonosa azzal a panasszal \u00e9rkezett, hogy a rendszerb\u0151l teljesen elt\u0171nt a mikrodinamika \u00e9s a r\u00e9szletez\u0151k\u00e9pess\u00e9g. Ahhoz, hogy a magastartom\u00e1nyt \u00e9rt\u00e9kelhet\u0151 szinten hallja, az er\u0151s\u00edt\u0151 hangsz\u00ednszab\u00e1lyz\u00f3j\u00e1n <strong>+6 dB-es emel\u00e9st<\/strong> kellett alkalmaznia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sokan ilyenkor azonnal a hangfal sz\u00e9tszed\u00e9s\u00e9t \u00e9s a hangv\u00e1lt\u00f3 alkatr\u00e9szeinek cser\u00e9j\u00e9t vizion\u00e1lj\u00e1k. Mi viszont a szisztematikus felt\u00e9rk\u00e9pez\u00e9st, valamint a csatlakoz\u00e1sok \u00e9s a hangsz\u00f3r\u00f3k fizikai ellen\u0151rz\u00e9s\u00e9t v\u00e1lasztottuk.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A diagnosztika \u00e9s a val\u00f3s hibaforr\u00e1sok<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Az els\u0151 f\u00e1zis\u00fa impedancia- \u00e9s f\u00e1zism\u00e9r\u00e9sek azonnal kimutatt\u00e1k, hogy a probl\u00e9ma gy\u00f6kere nem a bels\u0151 elektronik\u00e1ban, hanem sokkal egyszer\u0171bb, elhanyagolt mechanikai \u00e9s kontaktusbeli anom\u00e1li\u00e1kban keresend\u0151.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Parazita soros ellen\u00e1ll\u00e1s a csatlakoz\u00f3n\u00e1l:<\/strong> A gy\u00e1ri \u00e1tk\u00f6t\u00e9sek helyett alkalmazott, nem megfelel\u0151en \u00e9rintkez\u0151, vastag k\u00e1belez\u00e9s egy frekvenciaf\u00fcgg\u0151, \u00e1tlagosan <strong>0,6\u20130,7 Ohm-os plusz ellen\u00e1ll\u00e1st<\/strong> vitt a rendszerbe. Ez nemcsak sima fesz\u00fclts\u00e9goszt\u00f3k\u00e9nt m\u0171k\u00f6d\u00f6tt, hanem drasztikusan beleny\u00falt a hangv\u00e1lt\u00f3 j\u00f3s\u00e1gi t\u00e9nyez\u0151j\u00e9be is, teljesen felbor\u00edtva a sz\u0171r\u0151karaktert \u00e9s a f\u00e1zisokat.<\/li>\n\n\n\n<li><strong>Szennyez\u0151d\u00e9s a t\u00f6lcs\u00e9rben:<\/strong> A Tannoy h\u00edres Dual Concentric magassug\u00e1rz\u00f3j\u00e1nak t\u00f6lcs\u00e9r\u00e9t (hull\u00e1mvezet\u0151j\u00e9t), az \u00e9vtizedek alatt lerak\u00f3dott finom por \u00e9s szennyez\u0151d\u00e9s vastag r\u00e9tege bor\u00edtotta. Ez a l\u00e1tsz\u00f3lag &#8211; szemmel n\u00e9zve &#8211;  elhanyagolhat\u00f3 r\u00e9teg mechanikusan korl\u00e1tozta a leveg\u0151 mozg\u00e1s\u00e1t, \u00e9s komoly f\u00e1ziskiolt\u00e1sokat okozott a kritikus keresztez\u00e9si pont (2,5 kHz) k\u00f6rny\u00e9k\u00e9n. R\u00e1d\u00e1sul az a por \u00fagy m\u0171k\u00f6d\u00f6tt mint egyfajta akusztikus csillap\u00edt\u00f3.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">A beavatkoz\u00e1s: Prec\u00edz tiszt\u00edt\u00e1s \u00e9s hibajav\u00edt\u00e1s<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A hangfal komolyabb megbont\u00e1sa helyett c\u00e9lir\u00e1nyos hibajav\u00edt\u00e1st \u00e9s alapos takar\u00edt\u00e1st v\u00e9geztem:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Csatlakoz\u00e1sok rehabilit\u00e1ci\u00f3ja:<\/strong> Megsz\u00fcntettem a gyatr\u00e1n \u00e9rintkez\u0151 k\u00fcls\u0151 k\u00e1bel\u00e1tk\u00f6t\u00e9st \u00e9s oxid\u00e1ci\u00f3t a csatlakoz\u00e1si pontokon.<\/li>\n\n\n\n<li><strong>A hangsz\u00f3r\u00f3k tiszt\u00edt\u00e1sa:<\/strong> Teljesen kipucoltam a magassug\u00e1rz\u00f3 k\u00fcls\u0151 t\u00f6lcs\u00e9r\u00e9t, \u00e9s a m\u00e9lysug\u00e1rz\u00f3kat is letakar\u00edtottam a lerak\u00f3dott szennyez\u0151d\u00e9sekt\u0151l.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Az ellen\u0151rz\u0151 m\u00e9r\u00e9sek az alapos tiszt\u00edt\u00e1s ut\u00e1n dr\u00e1mai \u00e9s azonnali v\u00e1ltoz\u00e1st mutattak:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Helyre\u00e1llt f\u00e1zismenet:<\/strong> A 10 kHz feletti tartom\u00e1nyban kor\u00e1bban tapasztalhat\u00f3 meredek f\u00e1zisk\u00e9s\u00e9s teljesen megsz\u0171nt. A magassug\u00e1rz\u00f3 f\u00e1zisbeli viselked\u00e9se kisimult \u00e9s visszat\u00e9rt a norm\u00e1lis akusztikai mederbe.<\/li>\n\n\n\n<li><strong>Val\u00f3s hangnyom\u00e1s-nyeres\u00e9g:<\/strong> A magastartom\u00e1nyban konzekvens, sz\u00e9les s\u00e1v\u00fa <strong>+0,5 dB-es SPL (hangnyom\u00e1s) n\u00f6veked\u00e9st<\/strong> m\u00e9rtem, mik\u00f6zben a k\u00f6z\u00e9ptartom\u00e1ny kor\u00e1bbi lok\u00e1lis beszakad\u00e1sai \u00e9s aszimmetri\u00e1i elt\u0171ntek.<\/li>\n\n\n\n<li>A m\u00e9lytartom\u00e1nyban szint\u00e9n helyre\u00e1llt az elv\u00e1rt szint, k\u00f6sz\u00f6nhet\u0151en a stabil csatlakoz\u00e1snak.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Konkl\u00fazi\u00f3: A karbantart\u00e1s fontoss\u00e1ga<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A hibajav\u00edt\u00e1s ut\u00e1ni teszt az \u00fcgyf\u00e9l otthon\u00e1ban is azonnali sikert hozott. Az er\u0151s\u00edt\u0151 <strong>Source Direct<\/strong> \u00fczemm\u00f3dba \u00e1ll\u00edt\u00e1s\u00e1val (mindenf\u00e9le hangsz\u00edn-korrekci\u00f3 kinyom\u00e1s\u00e1val, 0 dB-en) a hangfalak visszakapt\u00e1k a gy\u00e1ri, hamis\u00edtatlan dinamik\u00e1jukat \u00e9s borotva\u00e9les sztere\u00f3 k\u00e9p\u00fcket.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ez az eset is igazolja: egy prec\u00edz m\u00e9r\u00e9si ellen\u0151rz\u00e9s, a csatlakoz\u00f3k rendbet\u00e9tele \u00e9s a hangsz\u00f3r\u00f3k alapos tiszt\u00edt\u00e1sa sokszor hamarabb \u00e9s hat\u00e9konyabban hozza meg a k\u00edv\u00e1nt eredm\u00e9nyt, mint a felel\u0151tlen alkatr\u00e9sz-csereber\u00e9l\u00e9s. Itt az is bebizonyosodott, hogy nem placeb\u00f3hat\u00e1sr\u00f3l van sz\u00f3, hiszen mind az impedancia m\u00e9r\u00e9sekor, mind pedig m\u00e9r\u0151mikrofonos m\u00e9r\u00e9s sor\u00e1n szignifik\u00e1ns elt\u00e9r\u00e9st lehetett l\u00e1tni.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Az \u00fcgyf\u00e9l visszajelz\u00e9se miut\u00e1n meghallgatta saj\u00e1t otthon\u00e1ban a rendberakott hangfalat a nap f\u00e9nypontja:<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"255\" height=\"217\" src=\"https:\/\/www.ktaudio.hu\/blog\/wp-content\/uploads\/2026\/08\/kep-1.png\" alt=\"\" class=\"wp-image-111\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Amikor a hifi-misztikum m\u00f6g\u00f6tt k\u0151kem\u00e9ny fizika \u00e1ll: Egy Tannoy Profile 638 karbantart\u00e1sa Szakmai k\u00f6r\u00f6kben \u00e9s az online f\u00f3rumokon gyakran tal\u00e1lkozni azzal a jelens\u00e9ggel, hogy ha egy klasszikus, \u00e9vtizedes hangfal hangja \u201eellaposodik\u201d, elvesz\u00edti a dinamik\u00e1j\u00e1t vagy tomp\u00e1v\u00e1 v\u00e1lik, a k\u00f6z\u00f6ss\u00e9g azonnal a hangv\u00e1lt\u00f3 alkatr\u00e9szeinek el\u00f6reged\u00e9s\u00e9re gyanakszik \u00e9s egyb\u0151l \u00e1t\u00e9p\u00edt\u00e9st javasol. Egy hozz\u00e1m \u00e9rkezett Tannoy Profile 638 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pagelayer_contact_templates":[],"_pagelayer_content":"","footnotes":""},"categories":[9,13],"tags":[27,28,25,26],"class_list":["post-110","post","type-post","status-publish","format-standard","hentry","category-esettanulmanyok","category-hifi-szerviz","tag-hifi","tag-szerviz","tag-tannoy","tag-tannoy-profile-638"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Egy Tannoy Profile 638 karbantart\u00e1sa - KTAudio Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ktaudio.hu\/blog\/2026\/08\/15\/egy-tannoy-profile-638-karbantartasa\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Egy Tannoy Profile 638 karbantart\u00e1sa - KTAudio Blog\" \/>\n<meta property=\"og:description\" content=\"Amikor a hifi-misztikum m\u00f6g\u00f6tt k\u0151kem\u00e9ny fizika \u00e1ll: Egy Tannoy Profile 638 karbantart\u00e1sa Szakmai k\u00f6r\u00f6kben \u00e9s az online f\u00f3rumokon gyakran tal\u00e1lkozni azzal a jelens\u00e9ggel, hogy ha egy klasszikus, \u00e9vtizedes hangfal hangja \u201eellaposodik\u201d, elvesz\u00edti a dinamik\u00e1j\u00e1t vagy tomp\u00e1v\u00e1 v\u00e1lik, a k\u00f6z\u00f6ss\u00e9g azonnal a hangv\u00e1lt\u00f3 alkatr\u00e9szeinek el\u00f6reged\u00e9s\u00e9re gyanakszik \u00e9s egyb\u0151l \u00e1t\u00e9p\u00edt\u00e9st javasol. Egy hozz\u00e1m \u00e9rkezett Tannoy Profile 638 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ktaudio.hu\/blog\/2026\/08\/15\/egy-tannoy-profile-638-karbantartasa\/\" \/>\n<meta property=\"og:site_name\" content=\"KTAudio Blog\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-15T13:18:51+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-15T13:18:53+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ktaudio.hu\/blog\/wp-content\/uploads\/2026\/08\/kep-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"255\" \/>\n\t<meta property=\"og:image:height\" content=\"217\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"thomace\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Szerz\u0151:\" \/>\n\t<meta name=\"twitter:data1\" content=\"thomace\" \/>\n\t<meta name=\"twitter:label2\" content=\"Becs\u00fclt olvas\u00e1si id\u0151\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 perc\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/2026\\\/08\\\/15\\\/egy-tannoy-profile-638-karbantartasa\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/2026\\\/08\\\/15\\\/egy-tannoy-profile-638-karbantartasa\\\/\"},\"author\":{\"name\":\"thomace\",\"@id\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/#\\\/schema\\\/person\\\/b3f04879acad6738c75e79b969025904\"},\"headline\":\"Egy Tannoy Profile 638 karbantart\u00e1sa\",\"datePublished\":\"2026-08-15T13:18:51+00:00\",\"dateModified\":\"2026-08-15T13:18:53+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/2026\\\/08\\\/15\\\/egy-tannoy-profile-638-karbantartasa\\\/\"},\"wordCount\":804,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/2026\\\/08\\\/15\\\/egy-tannoy-profile-638-karbantartasa\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/kep-1.png\",\"keywords\":[\"hifi\",\"szerviz\",\"tannoy\",\"tannoy profile 638\"],\"articleSection\":[\"Esettanulm\u00e1nyok\",\"Hifi Szerviz\"],\"inLanguage\":\"hu\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/2026\\\/08\\\/15\\\/egy-tannoy-profile-638-karbantartasa\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/2026\\\/08\\\/15\\\/egy-tannoy-profile-638-karbantartasa\\\/\",\"url\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/2026\\\/08\\\/15\\\/egy-tannoy-profile-638-karbantartasa\\\/\",\"name\":\"Egy Tannoy Profile 638 karbantart\u00e1sa - KTAudio Blog\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/2026\\\/08\\\/15\\\/egy-tannoy-profile-638-karbantartasa\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/2026\\\/08\\\/15\\\/egy-tannoy-profile-638-karbantartasa\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/kep-1.png\",\"datePublished\":\"2026-08-15T13:18:51+00:00\",\"dateModified\":\"2026-08-15T13:18:53+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/2026\\\/08\\\/15\\\/egy-tannoy-profile-638-karbantartasa\\\/#breadcrumb\"},\"inLanguage\":\"hu\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/2026\\\/08\\\/15\\\/egy-tannoy-profile-638-karbantartasa\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"hu\",\"@id\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/2026\\\/08\\\/15\\\/egy-tannoy-profile-638-karbantartasa\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/kep-1.png\",\"contentUrl\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/08\\\/kep-1.png\",\"width\":255,\"height\":217},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/2026\\\/08\\\/15\\\/egy-tannoy-profile-638-karbantartasa\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Egy Tannoy Profile 638 karbantart\u00e1sa\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/\",\"name\":\"KTAudio Blog\",\"description\":\"All rights reserved!\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"hu\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/#organization\",\"name\":\"Kamocsai Tam\u00e1s E.V.\",\"url\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"hu\",\"@id\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/LOGO_.png\",\"contentUrl\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/LOGO_.png\",\"width\":1470,\"height\":502,\"caption\":\"Kamocsai Tam\u00e1s E.V.\"},\"image\":{\"@id\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/#\\\/schema\\\/person\\\/b3f04879acad6738c75e79b969025904\",\"name\":\"thomace\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"hu\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/4c21bcf637d5cbf14436d7d58a915d70e0abc094ea7d821f5c19b3f7e34ee9d7?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/4c21bcf637d5cbf14436d7d58a915d70e0abc094ea7d821f5c19b3f7e34ee9d7?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/4c21bcf637d5cbf14436d7d58a915d70e0abc094ea7d821f5c19b3f7e34ee9d7?s=96&d=mm&r=g\",\"caption\":\"thomace\"},\"sameAs\":[\"https:\\\/\\\/www.ktaudio.hu\\\/blog\"],\"url\":\"https:\\\/\\\/www.ktaudio.hu\\\/blog\\\/author\\\/thomace\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Egy Tannoy Profile 638 karbantart\u00e1sa - KTAudio Blog","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.ktaudio.hu\/blog\/2026\/08\/15\/egy-tannoy-profile-638-karbantartasa\/","og_locale":"hu_HU","og_type":"article","og_title":"Egy Tannoy Profile 638 karbantart\u00e1sa - KTAudio Blog","og_description":"Amikor a hifi-misztikum m\u00f6g\u00f6tt k\u0151kem\u00e9ny fizika \u00e1ll: Egy Tannoy Profile 638 karbantart\u00e1sa Szakmai k\u00f6r\u00f6kben \u00e9s az online f\u00f3rumokon gyakran tal\u00e1lkozni azzal a jelens\u00e9ggel, hogy ha egy klasszikus, \u00e9vtizedes hangfal hangja \u201eellaposodik\u201d, elvesz\u00edti a dinamik\u00e1j\u00e1t vagy tomp\u00e1v\u00e1 v\u00e1lik, a k\u00f6z\u00f6ss\u00e9g azonnal a hangv\u00e1lt\u00f3 alkatr\u00e9szeinek el\u00f6reged\u00e9s\u00e9re gyanakszik \u00e9s egyb\u0151l \u00e1t\u00e9p\u00edt\u00e9st javasol. Egy hozz\u00e1m \u00e9rkezett Tannoy Profile 638 [&hellip;]","og_url":"https:\/\/www.ktaudio.hu\/blog\/2026\/08\/15\/egy-tannoy-profile-638-karbantartasa\/","og_site_name":"KTAudio Blog","article_published_time":"2026-08-15T13:18:51+00:00","article_modified_time":"2026-08-15T13:18:53+00:00","og_image":[{"width":255,"height":217,"url":"https:\/\/www.ktaudio.hu\/blog\/wp-content\/uploads\/2026\/08\/kep-1.png","type":"image\/png"}],"author":"thomace","twitter_card":"summary_large_image","twitter_misc":{"Szerz\u0151:":"thomace","Becs\u00fclt olvas\u00e1si id\u0151":"3 perc"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.ktaudio.hu\/blog\/2026\/08\/15\/egy-tannoy-profile-638-karbantartasa\/#article","isPartOf":{"@id":"https:\/\/www.ktaudio.hu\/blog\/2026\/08\/15\/egy-tannoy-profile-638-karbantartasa\/"},"author":{"name":"thomace","@id":"https:\/\/www.ktaudio.hu\/blog\/#\/schema\/person\/b3f04879acad6738c75e79b969025904"},"headline":"Egy Tannoy Profile 638 karbantart\u00e1sa","datePublished":"2026-08-15T13:18:51+00:00","dateModified":"2026-08-15T13:18:53+00:00","mainEntityOfPage":{"@id":"https:\/\/www.ktaudio.hu\/blog\/2026\/08\/15\/egy-tannoy-profile-638-karbantartasa\/"},"wordCount":804,"commentCount":0,"publisher":{"@id":"https:\/\/www.ktaudio.hu\/blog\/#organization"},"image":{"@id":"https:\/\/www.ktaudio.hu\/blog\/2026\/08\/15\/egy-tannoy-profile-638-karbantartasa\/#primaryimage"},"thumbnailUrl":"https:\/\/www.ktaudio.hu\/blog\/wp-content\/uploads\/2026\/08\/kep-1.png","keywords":["hifi","szerviz","tannoy","tannoy profile 638"],"articleSection":["Esettanulm\u00e1nyok","Hifi Szerviz"],"inLanguage":"hu","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.ktaudio.hu\/blog\/2026\/08\/15\/egy-tannoy-profile-638-karbantartasa\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.ktaudio.hu\/blog\/2026\/08\/15\/egy-tannoy-profile-638-karbantartasa\/","url":"https:\/\/www.ktaudio.hu\/blog\/2026\/08\/15\/egy-tannoy-profile-638-karbantartasa\/","name":"Egy Tannoy Profile 638 karbantart\u00e1sa - KTAudio Blog","isPartOf":{"@id":"https:\/\/www.ktaudio.hu\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.ktaudio.hu\/blog\/2026\/08\/15\/egy-tannoy-profile-638-karbantartasa\/#primaryimage"},"image":{"@id":"https:\/\/www.ktaudio.hu\/blog\/2026\/08\/15\/egy-tannoy-profile-638-karbantartasa\/#primaryimage"},"thumbnailUrl":"https:\/\/www.ktaudio.hu\/blog\/wp-content\/uploads\/2026\/08\/kep-1.png","datePublished":"2026-08-15T13:18:51+00:00","dateModified":"2026-08-15T13:18:53+00:00","breadcrumb":{"@id":"https:\/\/www.ktaudio.hu\/blog\/2026\/08\/15\/egy-tannoy-profile-638-karbantartasa\/#breadcrumb"},"inLanguage":"hu","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.ktaudio.hu\/blog\/2026\/08\/15\/egy-tannoy-profile-638-karbantartasa\/"]}]},{"@type":"ImageObject","inLanguage":"hu","@id":"https:\/\/www.ktaudio.hu\/blog\/2026\/08\/15\/egy-tannoy-profile-638-karbantartasa\/#primaryimage","url":"https:\/\/www.ktaudio.hu\/blog\/wp-content\/uploads\/2026\/08\/kep-1.png","contentUrl":"https:\/\/www.ktaudio.hu\/blog\/wp-content\/uploads\/2026\/08\/kep-1.png","width":255,"height":217},{"@type":"BreadcrumbList","@id":"https:\/\/www.ktaudio.hu\/blog\/2026\/08\/15\/egy-tannoy-profile-638-karbantartasa\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.ktaudio.hu\/blog\/"},{"@type":"ListItem","position":2,"name":"Egy Tannoy Profile 638 karbantart\u00e1sa"}]},{"@type":"WebSite","@id":"https:\/\/www.ktaudio.hu\/blog\/#website","url":"https:\/\/www.ktaudio.hu\/blog\/","name":"KTAudio Blog","description":"All rights reserved!","publisher":{"@id":"https:\/\/www.ktaudio.hu\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.ktaudio.hu\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"hu"},{"@type":"Organization","@id":"https:\/\/www.ktaudio.hu\/blog\/#organization","name":"Kamocsai Tam\u00e1s E.V.","url":"https:\/\/www.ktaudio.hu\/blog\/","logo":{"@type":"ImageObject","inLanguage":"hu","@id":"https:\/\/www.ktaudio.hu\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.ktaudio.hu\/blog\/wp-content\/uploads\/2026\/05\/LOGO_.png","contentUrl":"https:\/\/www.ktaudio.hu\/blog\/wp-content\/uploads\/2026\/05\/LOGO_.png","width":1470,"height":502,"caption":"Kamocsai Tam\u00e1s E.V."},"image":{"@id":"https:\/\/www.ktaudio.hu\/blog\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.ktaudio.hu\/blog\/#\/schema\/person\/b3f04879acad6738c75e79b969025904","name":"thomace","image":{"@type":"ImageObject","inLanguage":"hu","@id":"https:\/\/secure.gravatar.com\/avatar\/4c21bcf637d5cbf14436d7d58a915d70e0abc094ea7d821f5c19b3f7e34ee9d7?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/4c21bcf637d5cbf14436d7d58a915d70e0abc094ea7d821f5c19b3f7e34ee9d7?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/4c21bcf637d5cbf14436d7d58a915d70e0abc094ea7d821f5c19b3f7e34ee9d7?s=96&d=mm&r=g","caption":"thomace"},"sameAs":["https:\/\/www.ktaudio.hu\/blog"],"url":"https:\/\/www.ktaudio.hu\/blog\/author\/thomace\/"}]}},"_links":{"self":[{"href":"https:\/\/www.ktaudio.hu\/blog\/wp-json\/wp\/v2\/posts\/110","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ktaudio.hu\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ktaudio.hu\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ktaudio.hu\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ktaudio.hu\/blog\/wp-json\/wp\/v2\/comments?post=110"}],"version-history":[{"count":1,"href":"https:\/\/www.ktaudio.hu\/blog\/wp-json\/wp\/v2\/posts\/110\/revisions"}],"predecessor-version":[{"id":112,"href":"https:\/\/www.ktaudio.hu\/blog\/wp-json\/wp\/v2\/posts\/110\/revisions\/112"}],"wp:attachment":[{"href":"https:\/\/www.ktaudio.hu\/blog\/wp-json\/wp\/v2\/media?parent=110"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ktaudio.hu\/blog\/wp-json\/wp\/v2\/categories?post=110"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ktaudio.hu\/blog\/wp-json\/wp\/v2\/tags?post=110"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}