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Quad VCA - no attenuation on one of four channels
MUFF WIGGLER Forum Index -> Oakley Sound Systems  
Author Quad VCA - no attenuation on one of four channels
Leverkusen
Hi there,

after my VRG, Distortion II and the Croglin worked out very well I did the Quad VCA now.

Unfortunately while channels 1, 3 and 4 seem to be alright, channel 2 does not react to the gain pot neither to CV. it's always full on, in fact a little louder than the other 3 channels.

If anyone had an idea where to look after it would be highly appreciated.

seriously, i just don't get it
Synthbuilder
Possible problems:

Q2 is not working or it's the wrong type.

U7 is not soldered in correctly, or a pin has been misplaced in the socket.

U8 is broken.

Tony
Leverkusen
Thank you Tony!

That helped a lot and it's working now

SlayerBadger!
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