Doepfer A-135-2 Quad VCA

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matrg
Learning to Wiggle
Posts: 2
Joined: Mon Jan 25, 2021 4:26 am

Re: Doepfer A-135-2 Quad VCA

Post by matrg » Tue Feb 23, 2021 6:39 am

Could someone clarify for me how the manual level controls (i.e. L1-4) and CV attenuators interact... maybe it's obvious from the Doepfer website and I'm just being dense:

With an audio signal patched in to channel 1, L1 knob control level from 0 to unity gain - this I get?
With an ADSR envelope in to first CV input the CV1 control determines the gain reached at the end/peak of attack stage? In this situation does the L1 knob position have any effect? Does it act as an offset/bias/minimum gain level?

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helix
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Location: London, England

Re: Doepfer A-135-2 Quad VCA

Post by helix » Tue Feb 23, 2021 6:49 am

It is indeed a bias/offset/ I've only used mine with audio signals, but any CV will add to the gain setting on the corresponding channels knob
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