[sdiy] Standard markings for modular I/O & CV versus Audio?

john slee indigoid at oldcorollas.org
Sat Dec 21 01:09:05 CET 2019

I guess I wasn't clear here.. What I'm getting at here is that I'd prefer
separate attenuators/attenuverters for CV inputs.

Doepfer filters, for instance, typically have a frequency knob and at least
one additional pair of (CV input+dedicated attenuator)

Similarly many VCA designs have separate bias and CV attenuation knobs

I certainly agree that switching jacks have real benefits


On Sat, 21 Dec 2019 at 01:09, <mskala at ansuz.sooke.bc.ca> wrote:

> On Fri, 20 Dec 2019, john slee wrote:
> > * no irritating knobs that change behaviour from "provide CV" when no
> > corresponding input cable is connected to "attenuate input CV" when you
> plug
> That's not really a change in the knob's behaviour.  The knob does *one*
> thing, namely attenuating the input.  The fact that the input has a
> default value other than zero when no cable is attached is because of how
> the jack is wired, not really anything to do with the knob, and it's not
> obvious to me that "default values for inputs must always be 0V" is an
> intuitive or useful rule.
> --
> Matthew Skala
> mskala at ansuz.sooke.bc.ca                 People before tribes.
> https://ansuz.sooke.bc.ca/
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