[sdiy] My 12 x Moog 921B VCO clones finaly built...

Jean-Pierre Desrochers jpdesroc at oricom.ca
Fri May 25 20:11:34 CEST 2012


Well it is at the very start so far but I have some ideas:

Solid guitar body (with rear hollowed fopr mechanic & electronics)
with original neck installed with 6 x .014 gauge strings not tuned
but bent enough to stop on a bridge on body then curve inside
and stretched with use of small ending springs.

One string description:

String notes reading:
Each neck frets will be cut out to 6 parts
and the metal contact between the fret section and the string will
be read as a note played. A design allready used in the 70's Guitorgan controller.

Reading String picking and bendings:
Each of the string spring's end is glueded to the body and stuck to a piezo element
to read string picking strokes while the other spring end stretches with string bending on the neck
fingerboard. The shaft of a small slide potentiometer is attached
on the spring moving side reading the bending.

All the analog readings to a PIC and MIDI'ed output.
These are some starting ideas for this project.
J-Pierre

 On Fri 25/05/12 14:47 , Harry Bissell harrybissell at wowway.com sent:
> and can you tell us of the guitar interface project ???   :^)
> 
> H^) harry
> 
> 
> ----- Original Message -----
> From: Jean-Pierre Desrochers  ricom.ca>To: S
> ynth-diy at dropmix.xs4all.nlSent: Fri, 25 May 2012 12:58:38 -0400 (EDT)
> Subject: [sdiy] My 12 x Moog 921B VCO clones finaly built...
> 
> 
> Hi list,
> 
> I've just finished my fifth dotcom type module..
> It's a Moog 921B VCO clone made of
> a modified version of the famous  MOTM300 UltraVCO.
> This VCO is so stable.. it was the one I picked up as a choice
> for my 12 VCO modules.
> All the frontend circuitry has been modified to 'merge'
> easily with the front panel pot, rotary switch & jacks.
> For copyright reason some of the project files & schematics
> are not shown. 
> I've built 12 of this module for a future 6 voices guitar interface
> project.All the available files and specs are located here:
> 
> http://www.arcenson.com/projects/Modular/M103B_UltraVCO/
> 
> Feel free to ask any questions.
> This project took me around 2 years to finalize.
> 
> Thanks for watching.
> J-Pierre
> 
> 
> 
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> S
> ynth-diy at dropmix.xs4all.nlhttp://dropmix.xs4all.nl/mailman/listinfo/synth-diy
> -- 
> Harry Bissell & Nora Abdullah 4eva
> 
> 
> 



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