[sdiy] Elektor Formant Re: Test / Sequencer / Arduino

[Jarno Verhoeven@ziggo.nl]

Maybe Colin Chapman, the founder of Lotus, was moonlighting as a synth designer
:-)
Totally dig his Super Seven design!

Regards,

Jarno.



> Op 25 maart 2015 om 14:50 schreef Rick Jansen <rick.jansen at xs4all.nl>:
>
>
> hi Carsten,
>
> Great work! Its clearly visible you put a lot of work and effort into your
> Formant. How
> did you make the white front panels by the way?
>
> I've always wondered who C. Chapman is. In some web pages he's referred to as
> "Cyril
> Chapman", as "Colin Chapman" in others. I seem to remember someone from
> Elektor mentioned
> the name is a writers name, but he could not recall the authors true name. Or
> perhaps it
> was C. Chapman himself who told me :-)
>
> The Formant is from 1977, some parts now *really* are hard to get, 38 years
> later... The
> uA726 is scarce, older Moog mini's and Memory Moogs use them too, and they are
> sought
> after as repair parts. The CA3084 PNP array may be hard to find, and the
> CA3080 OTA's are
> getting rare too.
>
> All in all, building a Formant is a project only undertaken by the brave. Or
> was it the
> foolish?
>
> As for the sequencer: I'm going to try if it is feasible to finish it by
> replacing the
> oldfashioned digital circuits by an Arduino Uno (14 digital I/O pins). Perhaps
> even an
> Arduino Mega, which has even more digital I/O pins (54!).
>
> Best, and thanks for the links!
>
> rick
>