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

[cheater cheater]

On Fri, Feb 9, 2024 at 9:23 PM Ingo Debus via Synth-diy
<synth-diy at synth-diy.org> wrote:
>
>
> [electromechanical solution, servo pot]
>
> Am 09.02.2024 um 17:30 schrieb cheater cheater via Synth-diy <synth-diy at synth-diy.org>:
>
> Yep, it's cheating! It's kind of frustrating because again, for the...
> fifth? sixth? time. We're talking about where a resistive
> potentiometer is being replaced by an active component. Not servo pot.
>
>
> It has to be an active component? Haven’t read that before, maybe I overlooked that.
> Surely it doesn’t have to be a single component? Replacing a potentiometer with a single component does get tricky…

no, not single. an active subcircuit made out of multiple active and
passive components is fine too.

> How do you define active component? Is a vactrol an active component?
> If you define an active component as something that amplifies, i. e. uses one signal to control the amount of another signal, then both a servo pot and a vactrol are active components.

piece of silicon or multiple pieces of it.

LDRs are fine. but maybe not the greatest due to slew rate. i'd rathe
that a "C-" as opposed to something that can do audio-rate modulation.

servo pot is not fine. nothing electromechanical is good here.

solid state only and passives. or, if the circuit is originally tube
or magamp or electret based, then magamps and tubes and electrets are
fine too. but honestly i'd like to stay away from such topics here and
only focus on circuits that are solid state in the first place and
we're looking at whether or not they can be modified for CV control.

> Ingo
>
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