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"Hi-Fi svět" federmann.cz :: Zobrazit téma - Zesilovač pro elektrostaty Martin Logan
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Zesilovač pro elektrostaty Martin Logan
http://www.forum.federmann.cz/viewtopic.php?f=3&t=1562
Stránka 1 z 1

Autor:  Federmann [ čtv 06. bře 2014 22:53:55 ]
Předmět příspěvku:  Zesilovač pro elektrostaty Martin Logan

Zesilovač pro elektrostaty Martin Logan

ČS fóra ovládlo téma „Zesilovač pro elektrostaty Martin Logan“. Je až zarážející kolik „chytrých“ lidí se rázem vyrojilo, nadávají, haní a uráží zvukově jedny z nejlepších soustav světa, přičemž nikdo z diskutujících ani netuší, jak je takový reproduktor zapojen, proto zapojení takového reproduktoru přikládám.

Zapojení soustav

Elektrostat.jpg


Průběh impedance

Elektrostat_1.jpg

Autor:  Federmann [ čtv 06. bře 2014 23:03:14 ]
Předmět příspěvku:  Re: Zesilovač pro elektrostaty Martin Logan


Autor:  Federmann [ čtv 06. bře 2014 23:16:10 ]
Předmět příspěvku:  Re: Zesilovač pro elektrostaty Martin Logan

Jak se ukazuje koncové zesilovače HQQF, sestavené zcela klasicky či přímo pro tento účel, nemají na rozdíl od všech ostatních zesilovačů žádné problémy s elektrostatickými soustavami. Prostě topologie Federmann je v tomto ohledu dokonalá.


Měření proudového omezení na 0,2Ω nastaveného na cca 25A.

Obrázek

Při 1Ω může být neomezená amplituda až 25V, tedy výkon 312,5W, stále se bavíme o cca 200W zesilovači, stejných 300W dá do 4Ω.

Zde je měření do 0,5Ω, amplituda 8V a proud 16A.

Obrázek

Jediným současným slušným měřítkem by byly testy, vydrží, nevydrží, hraje, nehraje, ne nesmyslné dohadovaní se těch, co neviděli a hlavně neslyšeli.

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