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Doepfer

Index last updated: 2026-04-29 00:15 UTC

Message

Re: a131 VCA problem!!

2001-12-23 by synth_freak_2000

hello,
after more tests i came to the conclusion that they must be o.k.,they 
just sound a little louder and more treblish...i saw that they are a 
new version of a131 vca's(v2.2001)and my older a131 and a130 are the 
older version.the 2 versions have some differences in the circuits as 
i can see...so,this explains the difference in sound...
synthfreak



 In Doepfer_a100@y..., "synth_freak_2000" <synth_freak_2000@y...> 
wrote:
> hi list,i really need your help here,i bought 2 more a131 vca's 2 
> weeks ago,and i used them yesterday for the first time.today ,as i 
> did some extensive tests with the a131's, i discovered that they 
BOTH 
> have exactly the same problem.when i turn the INPUT and the OUTPUT 
> knobs fully clockwise,they sound much louder than my other (older)
> a131,and my (also,older)a130,(with the same knob settings,of course)
> and the most important is that they sound distorted,a little 
bit,but 
> it is still quite annoying!!!are they broken?do they need 
calibration
> (or,anything else?,i know nothing about electronic circuits...).the 
> wierd thing(that might mean that they are not broken...)is that 
both 
> my new a131 vca's have the same behaviour(or problem...?)...
> please help!!!!!i am really sad...
> synthfreak

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