moog keyboard question (diy)

[harry bissell]

Here's Low Note Priority:
roll-your-own sample / hold  (my kbd is two switch so I've got it easy)
:^) Harry

Alex Stettler wrote:

> hello
>
> I'm going to get an old keyboard today, to begin my constructions.
>
> So there's still a question up:
>
> As far as I know, the minimoog had a single switch keyboard controller.
>
> So can anyone, say me or have an schematic, of a circuit, which makes my
> keyboard I want to get, into a low-note priority keyboard?
> I would be nice if I press to keys at the same time, I mustn't be afraid of
> a strange tone between those keys, only the CV of the lowest pressed.
>
> Does anyone have a schematic of the minimoog keyboard circuitry?
>
> The end of this work, should be a "minimoog" but with the features I miss on
> the original:
> -Two separate LFOs, so you didn't have to use the 3rd VCO
> -S/H stage on keyboard, so a full ADSR EG is possible, and not only the ADS
> -Perhaps sine as a 7th waveform.
>
> I like building and designing circuits and PCBs, and a old minimoog would
> cost me too much, and I already got a hammond organ, so there's not so much
> money left :-)
>
> Alex
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