Possibly goofy idea...

[Scott Gravenhorst]

That would actually be a very simple mod for a FatMan.
The drawback I see is that you can't tune each note individually,
rather you would have only the voltage intervals that come out of
the pitch CV.

Harry Bissell <harrybissell at prodigy.net> wrote:
>Why not hook up the VCO to a knob... and reroute the Pitch CV to the
>filter ???
>
>Chop Chop Chop !!!!
>
>H^)  harry the x-acto slasher
>
>Scott Gravenhorst wrote:
>
>> I haven't seen this one (but that doesn't mean it doesn't exist)...
>>
>> One of my favorite things to do with my FatMan is to hold down
>> a key to play a constant pitch and fiddle with the filter cutoff
>> freq knob with rez at max.  One can "select" harmonics.  What I
>> would like to do is to build a very simple device that has 5 to 8
>> micro switches (perhaps a salvaged keyboard).  These switches
>> would conduct to a common point, a DC signal from the wiper of a
>> pot wired as a voltage divider supplying 0v to max CV.  The CV
>> seen at the common point is supplied as the filter's cutoff freq
>> CV.  Each key could be "tuned" by pressing it and adjusting it's
>> pot.  A sort of human clocked and human programmed analog
>> sequencer.  I would think I could then "play" these harmonics.
>> The control voltage output of this could probably be used other
>> ways as well.
>>
>> In the real circuit, I'd probably use analogue switches, controlled by
>> the physical switches.
>>
>> Does this sound useful to anyone else?
>>
>> -- Scott Gravenhorst
>> -- Linux Rex, Linux Vobiscum  |  RedWebMail by RedStarWare
>> -- FatMan: www.teklab.com/~chordman
>> -- NonFatMan: members.xoom.com/_XMCM/chordman/index.html
>> -- The 21st century does NOT start in the year 2000!!!
>
>

-- Scott Gravenhorst
-- Linux Rex, Linux Vobiscum  |  RedWebMail by RedStarWare
-- FatMan: www.teklab.com/~chordman
-- NonFatMan: members.xoom.com/_XMCM/chordman/index.html
-- The 21st century does NOT start in the year 2000!!!