[sdiy] Dropping Control Voltage an octave.
Scott Gravenhorst
music.maker at gte.net
Wed Nov 23 21:41:30 CET 2005
This is why I like linear pitch CV, it's easy to make this happen with a
resistor voltage divider.
(c;
"DTK" <aurastar at cox.net> wrote:
>I was looking into this a while back, and I found that it's not quite as
>easy as that, unfortunately. I can't remember exactly why - something
>related to the pitch CV being too close to 0v when the lowest key was
>pressed?? Or maybe that's not it at all... anyone who knows please chime
>in...
>
>Anyway, I took a different approach and tuned the oscs down an octave. That
>extends my lower range, but it does take away from the high range. THat's
>not really a problem for me, but if you play from the keyboard it might be
>an issue.
>
>It was easy to do, there is a little bit of component switching but nothing
>heavy. I did a write up for it, which P.G. was kind enough to host on his
>site:
>
>http://www.geocities.com/gallomagnetix/mg1x.html
>
>Look for the VCO Frequency adjustment link and see if that'll work for you
>
>HTH
>
>D
>
>> tsheets at saturn5.com wrote:
>>
>> > Hi, I want add a switch to my Moog MG-1 to drop the keyboard an
>> > extra octave. This should be easy, right? Its standard 1V/octave
>> > control voltage. Any tips on the easiest way to do this? Probably
>> > just some sort of resistor divide or something?
>> >
>> > -troy
>
---------------------------------------------------------
- Where merit is not rewarded, excellence fades.
- Hydrogen is pointless without solar.
- What good are laws that only lawyers understand?
- The media's credibility should always be questioned.
- The only good terrorist is a dead terrorist.
- Governments do nothing well, save collect taxes.
-- Scott Gravenhorst | LegoManiac / Lego Trains / RIS 1.5
-- Linux Rex | RedWebMail by RedStarWare
-- FatMan: home1.gte.net/res0658s/fatman/
-- NonFatMan: home1.gte.net/res0658s/electronics/
-- Autodidactic Master of Arcane and Hidden Knowledge.
More information about the Synth-diy
mailing list