{"id":6677,"date":"2020-01-13T17:22:41","date_gmt":"2020-01-13T17:22:41","guid":{"rendered":"http:\/\/longkft.hu\/audioblog\/?p=6677"},"modified":"2026-02-17T18:19:51","modified_gmt":"2026-02-17T18:19:51","slug":"a-250-forintos-hifi-tuning","status":"publish","type":"post","link":"https:\/\/longkft.hu\/audioblog\/a-250-forintos-hifi-tuning\/","title":{"rendered":"A 250 forintos hifi tuning"},"content":{"rendered":"

Egy kor\u00e1bbi posztomban le\u00edrtam mik\u00e9nt lehet k\u00e9t t\u00edzes \u00e9s egy \u00f6t\u00f6s alkotta tri\u00f3val (vagyis 25 forinttal) hangolni, jav\u00edtani hangrendszer\u00fcnk hangj\u00e1t. Azokat hova \u00e9s mik\u00e9nt kell letenni ahhoz, hogy t\u00e1g\u00edtsuk, vagy \u00e9ppen a null\u00e1r\u00f3l l\u00e9trehozzuk a hangszerek, a zen\u00e9szek alkotta l\u00e9gteret, atmoszf\u00e9r\u00e1t. Ez a fill\u00e9res hifi tuning abszol\u00fat k\u00e9t r\u00e9szre osztotta az olvas\u00f3k\u00f6z\u00f6ss\u00e9get.<\/span><\/p>\n

Az olvas\u00f3k egyik fele nem volt hajland\u00f3 beleny\u00falni a nadr\u00e1gzseb\u00e9be \u00e9s nem volt hajland\u00f3 letenni n\u00e9h\u00e1ny p\u00e9nzdarabot az \u00e1ltalam javasolt helyekre. \u0150k m\u00e9gis igen-igen hat\u00e1rozott negat\u00edv v\u00e9lem\u00e9nnyel voltak eme egyszer\u0171 tuning megold\u00e1ssal kapcsolatban.<\/span><\/p>\n

Az olvas\u00f3k m\u00e1sik fele kipr\u00f3b\u00e1lta, megtapasztalta a hat\u00e1st \u00e9s haszn\u00e1lja k\u00e9sz\u00fcl\u00e9kein, zeneszob\u00e1ja falain a 25 forintos hifi tuningot. Sokan vannak, akik id\u0151nk\u00e9nt leveszik a hely\u00fckr\u0151l a p\u00e9nz\u00e9rm\u00e9ket – mert nem t\u00fal feles\u00e9gbar\u00e1t l\u00e1tv\u00e1ny – azt\u00e1n gyorsan vissza is pakolj\u00e1k, mert n\u00e9lk\u00fcl\u00fck nagyon sokat vesz\u00edtenek zenei \u00e9lvezetben, t\u00e9rhat\u00e1sban, felbont\u00e1sban.<\/span><\/p>\n

Most emelem a t\u00e9tet \u00e9s igen komoly 250 forint elherd\u00e1l\u00e1s\u00e1ra biztatlak titeket, s\u0151t, el\u0151re jelzem, lehet, hogy a v\u00e9g\u00e9n ak\u00e1r m\u00e9g 2000 forint elk\u00f6lt\u00e9s\u00e9t is eredm\u00e9nyezheti ez a hifi tuning.<\/span><\/h3>\n

A l\u00e1vak\u00f6ves tuning<\/span><\/a> javaslatomat olvas\u00f3 n\u00e9h\u00e1ny agyhalott megjegyz\u00e9s\u00e9re visszautalva – m\u00e1rmint, hogy azt csak az\u00e9rt tal\u00e1ltam ki, mert \u00e9n sz\u00e1ll\u00edtom a l\u00e1vak\u00f6vet Magyarorsz\u00e1gra -, r\u00f6gt\u00f6n az elej\u00e9n meg kell jegyeznem, hogy „term\u00e9szetesen” a v\u00f6r\u00f6sr\u00e9z cs\u0151z\u00e1r\u00f3-v\u00e9gekkel (forraszthat\u00f3 szerelv\u00e9nysapka) is \u00e9n l\u00e1tom el az orsz\u00e1got.<\/span><\/p>\n

Ha a nyit\u00f3k\u00e9pb\u0151l esetleg nem tal\u00e1lt\u00e1tok volna ki, ezzel most el is \u00e1rultam magam. Arra szeretn\u00e9lek r\u00e1venni titeket, hogy v\u00e1s\u00e1roljatok n\u00e9h\u00e1ny cs\u0151lez\u00e1r\u00f3t a helyi vaskeresked\u00e9sben, OBI-ban<\/span><\/a>, Praktikerben, de el\u0151tte felt\u00e9tlen\u00fcl olvass\u00e1tok el, ennek mi az oka. (Azon k\u00edv\u00fcl, hogy \u00e9n vagyok a besz\u00e1ll\u00edt\u00f3. \ud83d\ude42 )<\/span><\/p>\n

A hang- \u00e9s k\u00e9ptechnikai k\u00e9sz\u00fcl\u00e9keket (\u00e9s m\u00e9g sok-sok mindent, de maradjunk a hobbinkn\u00e1l) nagyon zavarj\u00e1k azok a rezg\u00e9sek, melyek nem k\u00e9pezik a megsz\u00f3laltatott zene r\u00e9sz\u00e9t, s\u0151t, annyira h\u00e1klisak, hogy tulajdonk\u00e9ppen m\u00e9g a megsz\u00f3laltatott zene is zavarja m\u0171k\u00f6d\u00e9s\u00fcket.<\/span><\/p>\n

Eme rezg\u00e9sek lehetnek mechanikusak, melyek hangmin\u0151s\u00e9get (k\u00e9pmin\u0151s\u00e9get) befoly\u00e1sol\u00f3 szerepe (k\u00e1ross\u00e1ga) sz\u00e9p lassan elfogadott\u00e1 v\u00e1lt. L\u00e9teznek ugyan m\u00e9g ellenkez\u0151k, vannak ugyan m\u00e9g feh\u00e9r foltok, de egyre t\u00f6bben vagyunk, akik mindent megtesz\u00fcnk az\u00e9rt, hogy rendszer\u00fcnket (annak minden elem\u00e9t – m\u00e9g a router-t is<\/span><\/a>) megv\u00e9dj\u00fck a mechanikus rezg\u00e9sekt\u0151l, \u00e9s \/ vagy mindent megtesz\u00fcnk az\u00e9rt, hogy a k\u00e1ros rezg\u00e9seket min\u00e9l gyorsabban \u00e9s min\u00e9l hat\u00e9konyabban az adott eszk\u00f6zb\u0151l elvezess\u00fck, vagy \u00e9ppen lecsillap\u00edtsuk.<\/span><\/p>\n

A technol\u00f3gia fejl\u0151d\u00e9s\u00e9vel egy\u00fctt j\u00e1rt, hogy az elm\u00falt 20 \u00e9vben t\u00f6bb nagys\u00e1grenddel is megn\u0151tt egy m\u00e1sik fajta „rezg\u00e9s” mennyis\u00e9ge \u00e9s intenzit\u00e1sa, a minden\u00fctt jelenl\u00e9v\u0151 elektrom\u00e1gneses hull\u00e1mok keltette rezg\u00e9sek\u00e9. Sajnos, a „nem l\u00e1tom, teh\u00e1t nincs” hozz\u00e1\u00e1ll\u00e1s jelenesetben sem seg\u00edt, semmif\u00e9le v\u00e9delmet nem ad.<\/span><\/p>\n

Az EM-sug\u00e1rz\u00e1s mindenf\u00e9le k\u00f6zvet\u00edt\u0151k\u00f6zeg n\u00e9lk\u00fcl terjed, \u00e9s ha az \u00fatj\u00e1ba ker\u00fcl egy vezet\u0151 anyag, abban elektromos rezg\u00e9seket, elektromos zajokat gerjeszt. Err\u0151l a jelens\u00e9gr\u0151l egyre t\u00f6bbet besz\u00e9l\u00fcnk a t\u00e1pell\u00e1t\u00e1ssal kapcsolatban, ahol a t\u00e1pvezet\u00e9kek – mint hatalmas antenn\u00e1k -, az \u00f6sszes azokat \u00e9r\u0151 elektrom\u00e1gneses hull\u00e1mot \u00e9rz\u00e9kelik, s mint zajt fogj\u00e1k elektromos jelk\u00e9nt tov\u00e1bb\u00edtani.<\/span><\/p>\n

Az EM-sug\u00e1rz\u00e1s azonban hat\u00e1ssal van az \u00f6sszes hangtechnikai k\u00e9sz\u00fcl\u00e9k\u00fcnkre, hangsz\u00f3r\u00f3- \u00e9s egy\u00e9b k\u00e1belez\u00e9s\u00fcnkre. Annyira sunyi jelens\u00e9gr\u0151l van sz\u00f3, hogy hi\u00e1ba v\u00e9dekez\u00fcnk ellene pl. azzal, hogy minden k\u00e9sz\u00fcl\u00e9k\u00fcnket v\u00f6r\u00f6sr\u00e9z h\u00e1zba \u00e9p\u00edtj\u00fck, traf\u00f3inkat le\u00e1rny\u00e9koljuk, \u00e1rny\u00e9kolt k\u00e1beleket haszn\u00e1lunk, stb., m\u00e9gis minden\u00fctt ott van – hiszen maguk az alkatr\u00e9szek, az azokat \u00f6sszek\u00f6t\u0151 vezet\u00e9kek is EM-zajokat termelnek, melyek hat\u00e1ssal vannak a szomsz\u00e9dos alkatr\u00e9szek, k\u00e1belek m\u0171k\u00f6d\u00e9s\u00e9re.<\/span><\/p>\n

Vannak EM-zajokra \u00e9rz\u00e9kenyebb \u00e9s kev\u00e9sb\u00e9 \u00e9rz\u00e9keny alkatr\u00e9szek, \u00edgy ha a „sarokk\u00f6veket”, a leg\u00e9rz\u00e9kenyebb pontokat le\u00e1rny\u00e9koljuk (a k\u00e9sz\u00fcl\u00e9kh\u00e1zt\u00f3l f\u00fcggetlen\u00fcl), ak\u00e1r jelent\u0151sen is jav\u00edthatjuk rendszer\u00fcnk hangj\u00e1t.<\/span><\/p>\n

No, de mivel \u00e1rny\u00e9koljunk a lehet\u0151 legegyszer\u0171bben?<\/span><\/h3>\n

Sokf\u00e9le megold\u00e1s l\u00e9tezik, de a v\u00edzvezet\u00e9kcs\u00f6vek v\u00f6r\u00f6sr\u00e9z lez\u00e1r\u00f3j\u00e1t\u00f3l egyszer\u0171bb megold\u00e1s nem nagyon van.<\/span><\/p>\n

Mit \u00e1rny\u00e9koljunk vele, \u00e9s hogyan?<\/span><\/h3>\n

El\u0151sz\u00f6r is vonjuk be k\u00edv\u00fcl-bel\u00fcl szigetel\u0151szalaggal, nehogy z\u00e1rlatot okozzunk! \u00cdgy m\u00e1r, mint egy kupakot, r\u00e1h\u00fazhatjuk a kiszemelt, \u00e9s belef\u00e9r\u0151 alkatr\u00e9szre, azon, vagy ak\u00f6r\u00fcl valamilyen szimpatikus m\u00f3don r\u00f6gz\u00edthetj\u00fck. A legfontosabb alkatr\u00e9sz, amire k\u00f6telez\u0151v\u00e9 tenn\u00e9m a haszn\u00e1lat\u00e1t, a k\u00fcl\u00f6nb\u00f6z\u0151 digit\u00e1lis eszk\u00f6z\u00f6k krist\u00e1lyoszcill\u00e1tora – term\u00e9szetesen, amelyikre r\u00e1h\u00fazhat\u00f3. A h\u00e1l\u00f3zati zen\u00e9t hallgat\u00f3knak m\u00e1r puszt\u00e1n csak ez\u00e9rt is \u00e9rdemes sz\u00e9tszedni\u00fck router\u00fcket, hogy annak oszcill\u00e1tor\u00e1ra r\u00e1h\u00fazhass\u00e1k. <\/span>A k\u00f6vetkez\u0151 k\u00f6telez\u0151en „kupakoland\u00f3” alkatr\u00e9szek a k\u00fcl\u00f6nf\u00e9le OPA-k. Ha a DAC-unkban l\u00e9v\u0151 krist\u00e1lyra \u00e9s OPA-kra r\u00e1h\u00fazunk egy-egy cs\u0151v\u00e9get, m\u00e1ris sokkal boldogabban fogunk zen\u00e9t hallgatni a kapott hangmin\u0151s\u00e9g miatt.<\/span><\/p>\n

Akik „m\u00e9lyebben” is hajland\u00f3ak zsebbe ny\u00falni, azok tehetnek cs\u0151lez\u00e1r\u00f3t a tranzisztorokra, kisebb kondenz\u00e1torokra, de megtehetik azt is, hogy mindenf\u00e9le szigetel\u00e9s n\u00e9lk\u00fcl egy-egy cs\u0151v\u00e9get a lapos oldal\u00e1val r\u00e1ragasztanak a digit\u00e1lis lej\u00e1tsz\u00f3ikban tal\u00e1lhat\u00f3 IC-kre. Egyr\u00e9szt h\u0171ti azokat, m\u00e1sr\u00e9szt pedig a v\u00f6r\u00f6sr\u00e9z \u00e1rny\u00e9kol\u00f3hat\u00e1s\u00e1nak egy r\u00e9sze m\u00e9g \u00edgy is \u00e9rv\u00e9nyes\u00fcl.<\/span><\/p>\n

Ha m\u00e1r van a kez\u00fcnkben egy lez\u00e1r\u00f3kupak, finoman p\u00f6ccints\u00fck meg a sz\u00e9l\u00e9t. Nagyon finom, nagyon sz\u00e9p magashangokat fogunk hallani. Ha a kupakot nem puszt\u00e1n egy asztalra tessz\u00fck, hanem att\u00f3l elemelj\u00fck – pl. 2 db fekv\u0151 gombost\u0171re t\u00e9ve, vagy r\u00e1\u00fcltetve 3 db gombost\u0171-v\u00e9gre -, akkor a cseng\u00e9s m\u00e9g szebb \u00e9s hosszabb lefut\u00e1s\u00fa lesz.<\/span><\/p>\n

No de, mi\u00e9rt is j\u00f3 ez nek\u00fcnk, hogy lesz bel\u0151le hifi tuning?<\/span><\/h3>\n

\"franck<\/p>\n

A k\u00e9rd\u00e9s megv\u00e1laszol\u00e1s\u00e1hoz tekints\u00e9tek meg Franck Tchang<\/span><\/a> \u00far egzotikus \u00e9s igen-igen dr\u00e1ga szobaakusztikai eszk\u00f6z\u00e9t az Acoustic System<\/span><\/a> rezon\u00e1tor\u00e1t. Egyr\u00e9szt l\u00e1thatj\u00e1tok rajta a k\u00e9t k\u00e9k gy\u00f6ngyszemet,<\/span><\/a> ami elind\u00edtotta bennem a gondolkod\u00e1st a k\u00e9k sz\u00ednnel kapcsolatban, m\u00e1sr\u00e9szt l\u00e1thattok egy t\u00e1lk\u00e1t, ami nagyon pici ter\u00fcleten van al\u00e1t\u00e1masztva.<\/span><\/p>\n

Mivel j\u00e1rtak n\u00e1lam ilyen rezon\u00e1torok, \u00edgy volt m\u00f3domban hat\u00e1sukat megtapasztalni, a t\u00e1rgyakat k\u00e9zbe fogni, a t\u00e1lk\u00e1k hangj\u00e1t, cseng\u00e9s\u00e9t meghallgatni.<\/span><\/p>\n

Akik r\u00e9gi olvas\u00f3im, m\u00e1r kital\u00e1lhatt\u00e1k, hogy m\u00e1r megint elgondolkodtam \u00e9s a gondolkod\u00e1st tett k\u00f6vette.<\/span><\/h3>\n

\"franck<\/p>\n

A cs\u0151v\u00e9g lez\u00e1r\u00f3kat k\u00fcl\u00f6nf\u00e9le al\u00e1t\u00e1maszt\u00e1sokkal kipr\u00f3b\u00e1ltam a Tchang \u00far rezon\u00e1toraihoz javasolt helyeken \u00e9s bizony azt kell mondanom, hogy m\u0171k\u00f6dnek. Term\u00e9szetesen nem \u00e9rik el ez eredeti „csengetty\u0171k” hat\u00e1s\u00e1t, de a teret megnyitj\u00e1k \u00e9s a hangot egy\u00e9rtelm\u0171en nyugodtabb\u00e1, hallgathat\u00f3bb\u00e1 teszik. A legjobban \u00fagy tudn\u00e1m jellemezni a lez\u00e1r\u00f3kupakok akusztikai eszk\u00f6zk\u00e9nt val\u00f3 hat\u00e1s\u00e1t, hogy a hangot (az akusztik\u00e1t?) megzabol\u00e1zz\u00e1k, a hangot megsz\u00e9p\u00edtik – teh\u00e1t, m\u0171k\u00f6dik a fill\u00e9res hifi tuning.<\/span><\/p>\n

\"franck<\/p>\n

Teh\u00e1t, kalandra fel \u00e9s v\u00e1s\u00e1roljatok el\u0151sz\u00f6r csak n\u00e9h\u00e1ny cs\u0151v\u00e9get a pr\u00f3ba kedv\u00e9\u00e9rt, majd a hat\u00e1sait, lehet\u0151s\u00e9geit megtapasztalva ak\u00e1r egy tucatot is – \u00e9s m\u00e9g mindig csak 3000 forintotokba fog ker\u00fclni.<\/span><\/p>\n

\"\"<\/p>\n

V\u00e1rom a besz\u00e1mol\u00f3itokat, tov\u00e1bbi felhaszn\u00e1l\u00e1si javaslataitokat, hogy mindny\u00e1jan m\u00e9g el\u0151r\u00e9bb juthassunk (legal\u00e1bb egy kicsit).<\/span><\/p>\nMegosztom:<\/span>
<\/a><\/a><\/a><\/a><\/a>","protected":false},"excerpt":{"rendered":"

Egy kor\u00e1bbi posztomban le\u00edrtam mik\u00e9nt lehet k\u00e9t t\u00edzes \u00e9s egy \u00f6t\u00f6s alkotta tri\u00f3val (vagyis 25 forinttal) hangolni, jav\u00edtani hangrendszer\u00fcnk hangj\u00e1t….<\/p>\nMegosztom:<\/span>
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