[sdiy] Starting my ASM-1

[harry]

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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