Cgs synth

--- In cgs_synth@yahoogroups.com, sasami@h... wrote:
> >
> >
> >hi all,
> >I want to add a volume control to each of the osc on the super
psy
> >lfo.
> >What is the best place to add a pot on the mix bus, before or
after
> >the 470K res? Can I add a 100k pot before the 470k res and be
done?
> >Are their affects on the mixer op-amp...
>
> Before the 470k. CCW end to 0V/GND. CW end to output of inverter.
Wiper to
> the 470k resistor.
>
> >btw I run the board in the audio range and build strang cords ,
then
> >run this thru mulitap delays and get all kinds of interesting
phase
> >and comb filtering effects as I adjust the tuning. I need to add
a
> >fine tune pot in line with the main tuning pot. the main pot is
1m
> >so 100k would be 10 percent, so maybe a 5k pot to dail it it just
so.
> >I love the "beating" between the tunings....
>
> For really fine tuning, the lower the value of the pot the better,
but you
> will need a little "overlap" - its range must be greater than the
finest
> setting you can do with the 100k pot. As such, 5k is probably what
you want.
> 10k is probably too coarse.
>
> Ken
>
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