[sdiy] Starting my ASM-1

[Theo]

Indeed that is a clever solution,
now you say I remember seeing some  MIDI to CV unit doing
something similar, to send gate and CV over one line.
(don't remember why the hell they did that)

Cheers,
Theo


From: harry <harrybissell at prodigy.net>

> TomG (EFM Synth list on Yahoo) has the KBD 1 board... it does
> kbd with one contact. Its a clone of some Moog circuit (Rogue?)...
>
> It uses AC signal to get the gate... and DC signal for the voltage.
> Its DAMN clever. Bob Moog has been known to be like that....
>
> H^) harry
>
> Theo wrote:
>
> > EN are rather hard to get hold of :(
> >
> > But what about this solution:
> > Take a one contact per key keyboard
> > and let these one key contacts trigger a 4066 or 4053 or FETs or...
> > In other words; use one switch to switch more switches.
> >
> > Theo
> > (switching off)
> >
> > From: David Reichert <sysyphus at sympatico.ca>
> >
> > >
> > > Right.
> > >
> > > With that said, can you forward a copy or summarise it for us? I'm
> > > really curious to know.
> > >
> > >
> > > -----Original Message-----
> > > From: owner-synth-diy at dropmix.xs4all.nl
> > > [mailto:owner-synth-diy at dropmix.xs4all.nl] On Behalf Of Magnus
Danielson
> > > Sent: Friday, January 11, 2002 5:41 PM
> > > To: ijfritz at earthlink.net
> > > Cc: rmantel at nitline.net; synth-diy at dropmix.xs4all.nl
> > > Subject: Re: [sdiy] Starting my ASM-1
> > >
> > > From: Ian Fritz <ijfritz at earthlink.net>
> > > Subject: Re: [sdiy] Starting my ASM-1
> > > Date: Thu, 10 Jan 2002 22:30:58 -0700
> > >
> > > > At 08:18 PM 1/10/2002, Rob Mantel wrote:
> > > > >I built the formant keyboard years ago, and to be honest, I would
> > > never do
> > > > >it again. A lot of those keyboards, like the formant one, use
double
> > > > >contacts for each key (one for the cv, one for the gate), its a
pain
> > > to keep
> > > > >those contacts work reliable and trigger both at exactly the same
> > > time over
> > > > >the years.  So if you want to build your own, try to find something
> > > that
> > > > >only uses 1 contact per key, but unless you can find the right
> > > schematics,
> > > > >it won't be easy to have a keyboard that you can play both with and
> > > without
> > > > >triggering a new gate pulse when you play the keys legato. There
> > > might be an
> > > > >easy solution for this, but I don't know it.
> > > >
> > > >
> > > > See EN #67 (12)   :)
> > > >
> > >
> > > Does that really help anybody? I don't think so... the ElectroNotes
are
> > > not on the web (except one I think) and not many really has them, and
> > > certainly not a newbee...
> > >
> > > For a newbee that line is hidden in deep cryptology except maybe for
> > > the smilee and the first word.
> > >
> > > Cheers,
> > > Magnus - have a sense of humor, but don't think it applies in this
case
> > >
> > >
>
> --
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