Ayuda con Pre-Amplificador

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Me aclararon

Un tvc ocupa dos windings en el trafo , osea es un trafo de aislamiento

galvánico real . Corta los bucles de tierra .

un autoformer tiene un sólo winding , entonces hay gente que dice que es

mas sencillo y mas puro , el cablerío dentro del pre es menor que el tvc ,

pero no proporciona aislamiento galvánico .

(Gracias Joaquin)

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Y la diferencia entre el Aleph P y el L es que el segundo tiene una etapa activa (10dB de ganancia)....¿o algo más?

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Para los que les interesa (que parece que son pocos a esta altura), reproduzco email con precios de StereoKnight. Están los precios

Hi, Jose:

I just found your email in spam folder! I do not know why and how it was treated as spam... Anyway, I hope my late reply can reach to you. My answers are following to your requests and I also attach some pictures for new TVC models.

Here are my offers and quotes:

1, Reference silverstone-B&R: remote control, LCD display, 4 transformers, 4 RCA input, 3 XLR input, 2 RCA output, 2 XLR output, 6 dB gain output, 1300$ shipped (by DHL)

2, Silverstone-Balance: 4 transformers, dual mono, dual 33-position rotary switch, 0/6 dB gain switch, same multiple input/output as B&R, 950$ shipped by DHL; see attached pictures

3, Magnetic Enigma-1.0R tube preamp: 2k usd shipped

Each transformer in my unit has 33 out terminals which are connected to 33-position rotary switch. Gain is controled by transformers inside.

I accept paypal (we will split 4% fee) and, western union, bank wire.

Thanks for your kind comments and attention again!

Regards!

James