[AH] Noisy/Distorted Doepfer A-131 VCA

From Zoran Bosnjak
Sent Wed, Jan 28th 2004, 16:02

Hi,

I noticed that my Doepfer A-131 VCA produces some kind of distorted noise in 
the background, only when something is played through it. As volume is 
increased, this "effect" becomes more noticable. I noticed this from the day 
one I got it delivered, but I though it was normal behaviour of inexpensive 
VCA above the input level 7 (from 0 to 10 on this VCA). Well, this 
distortion (unpleasant, digital-like) is present if input level is anything 
from 1.5 to 10!

So, the question is: is every A-131 VCA like this? Mine is still under 
warranty (6 months old), so I could replace it. Or should I look for older 
A-131 (apparently, different chip)? Or should I get Doepfer A-109 (different 
VCA on it)?

Regards,

Zoran

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