----- Original Message ----- 
From: <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Tuesday, July 08, 2008 5:22 PM
Subject: Hal: Re: [ELPOP-Audio] Phono


> Thanks penjelasannya pak, so kalo begitu harus buat selektor bila mau pake 
> MM atau MC di input phono stagenya, adakah rangkaian yg cukup simpel pak? 
> Saat ini sih sy pake MM, tapi mungkin pengen coba yg MC pak , thanks 
> berat, salam

Pak Hendra,
MM dan MC hanya beda gain; equalisasinya relatif sama.
Sirkuit simpel yang paling enak sebetulnya bila menggunakan hybrid 
(gabungan) antara tube dan FET. FET memberikan gain maksimal dan penekanan 
noise maksimal juga. Ini penting untuk sirkuit dengan gain tinggi. Contoh, 
adalah topologi kaskade grounded grid. Dengan cara tersebut bisa dibuat 
switchable MM/MC phono preamp.
Lihat contoh produk LJ di 
http://www.flickr.com/photos/langsungjadi/1875496986. Semoga berguna.

Salam dari Cibubur,
Alex - www.langsungjadi.com

New upload, 6SL7 Phono PreAmp:
- Inside view, Battery Fixed-Bias Version: 
http://www.flickr.com/photos/langsungjadi/2516146651.
- Inside view, Auto Bias Version: 
http://www.flickr.com/photos/langsungjadi/2516969008.
- Front view: http://www.flickr.com/photos/langsungjadi/2516968848.
- Ear test: http://www.flickr.com/photos/langsungjadi/2516146189.
- Back view: http://www.flickr.com/photos/langsungjadi/2516145933. 


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