[sdiy] DBX202 VCA questions

Ingo Debus igg.debus at t-online.de
Sun Sep 13 18:40:44 CEST 2009


Am 13.09.2009 um 17:08 schrieb cheater cheater:

> This substitute circuit is based on reverse-engeineering
> a 202XT VCA - it turned out to consist of ten paralleled 2150's with a
> common low-impedance buffer for the control inputs."
>
> Now... why would they ever do that? DBX weren't just throwing in more
> because they *could* were they?
>

My guess is, they did this to reduce noise. The signal adds in a  
normal way while the noise adds in RMS fashion. You get a better  
signal/noise ratio this way.

Ingo



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