[sdiy] Odp: Re: Waveform/source mixers in classic polysynths

[Mattias Rickardsson]

On 6 October 2017 at 17:27, Tom Wiltshire <tom at electricdruid.net> wrote:

> > On 6 Oct 2017, at 14:44, Florian Anwander <fanwander at mnet-online.de>
> wrote:
> >
> > But in fact you are right with the SH-101, it uses lin potentiometers
> for the waveform mixer. And especially there is no economical or technical
> reason, why Roland did not use log potentiometers in the mixer. For
> instance the potentiometers for the LFO-amount at the VCO and at the VCF
> _are_ 100k log sliders. So they had the right (log) parts in the drawer,
> but used the linear ones for the mixer - assumingly on purpose.
>
> Good points, and an interesting example.
>
> Although the polysynth mixing-separate-VCOs situation is different,
> perhaps it isn’t *so* different, and maybe linear response makes more
> sense/feels better.
>

They probably want the signal level into the filter to be fairly the same
regardless of the setting.

/mr
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