[sdiy] Unique sounding modules that can't have voltage control?

[Mike Bryant]

Agreed.  You might even find a motorised pot is a cheaper solution.
________________________________
From: Synth-diy <synth-diy-bounces at synth-diy.org> on behalf of Chris McDowell via Synth-diy <synth-diy at synth-diy.org>
Sent: 08 February 2024 14:19
To: Florian Anwander <fanwander at mnet-online.de>
Cc: Synth-diy at synth-diy.org <Synth-diy at synth-diy.org>
Subject: Re: [sdiy] Unique sounding modules that can't have voltage control?

The EML 101 had a center-tapped pot with low, band, and high pass outputs connected to each side and that center tap. Very natual 3-way crossfade that is not voltage controlled and "can't be"

I suppose the equivalent could be dialed in with 3 VCAs, but that's a lot of circuit compared to the ease of that one sneaky pot, and it would take some fiddling to get it responding the same

Cheers,
Chris McDowell

On Feb 8, 2024, at 7:55 AM, Florian Anwander <fanwander at mnet-online.de> wrote:



Hi

On 08.02.24 13:53, cheater cheater via Synth-diy wrote:

Modern voltage controlled synth modules have non-linearities too, so
what? That doesn't make them non-voltage-controllable. Have I
misunderstood what you mean?


Then the voltage that is sent may change in a non-linear way (the values are usually computed and then the "non-linear" voltage is generated in a D/A-converter), but the relation voltage to control on the module will be linear. Or the other way round: the voltage change is linear but there is a "de-linearizing" circuit in the controlled module. Example: expo-converter in V/Oct. controlled VCOs.

Rgds.

Florian

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