[sdiy] Synth Tips page
David Brown
davebr at earthlink.net
Mon Jan 3 18:42:36 CET 2011
At least for the gear I have shown, the MTOM-120 will divide by 16
and the Hendry shift will do 4 volts (-1 to +3) so you can easily use
this setup for 1-4 octaves. You just have to move the output of the
MOTM-120 to the appropriate Sub-X output and setup the appropriate CV sum.
Dave
At 07:27 AM 1/3/2011, Harry Bissell wrote:
>I have some reservations about this method, the one octave shift might not
>be enough to tune accurately for some VCOs. Its a cool idea but you would
>have to choose the tuning point (like 440Hz or 1khz whatever) carefully.
>
>I like to tune about four octaves apart. I use a digital reference (top octave
>generator and divider chain) and a source of precision 1V steps. I set the
>scope for X-Y display.
>
>Its accurate but not too easy... :^(
>
>H^) harry
>
>
>
>----- Original Message -----
>From: Dave Kendall <davekendall at ntlworld.com>
>To: sdiy DIY <synth-diy at dropmix.xs4all.nl>
>Sent: Sun, 02 Jan 2011 15:18:07 -0500 (EST)
>Subject: Re: [sdiy] Synth Tips page
>
>That's a very cool VCO tuning method - it's just in time too, I'm about
>to do 3 or 4 ...... :-)
>Thanks for putting the page up.
>
>cheers,
>Dave
>
>On Jan 2, 2011, at 19:58, David Brown wrote:
>
> > I'm shipping a module international that's a bit fragile. I made a
> > inner shipping box to support and protect it in shipment. I made one
> > previously and thought I would put a photo and description on my Synth
> > Tips page.
> >
> > I've shared my tips for soldering and repairs in personal emails with
> > others DIY'ers and decided to document that on the Synth Tips page as
> > well.
> >
> > There are a few other tips there for VCO tuning and making power
> > cables as well as my own spreadsheet of module power consumption.
> >
> > http://modularsynthesis.com/modules/tips/tips.htm
> >
> > Dave
> > _______________________________________________
> > Synth-diy mailing list
> > Synth-diy at dropmix.xs4all.nl
> > http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
> >
>
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>--
>Harry Bissell & Nora Abdullah 4eva
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