Doepfer

Thanks for the answer. 
Of course these measurement don't make sense. I didn't even click. 
Could have I misread milli and micro, certainly so. 

VCAs, and control, I'll read more about that then. 

I could not resist, since it's my lesson of the  day: 

http://groups.yahoo.com/group/Doepfer_a100/photos/album/1096362407/pic/2138570574/view




--- In Doepfer_a100@yahoogroups.com, <yahoo@...> wrote:
>
> For all these modifications VCAs are requried. One VCA for the CV control of
> the feedback path and two opposite controlled VCAs for the LP/HP panning
> (nothing but the A-134 with the two inputs wired to the LP and HP outputs).
> One cannot simply add a voltage somewhere in the circuit to obtain CV
> control.
> 
> If your module consume 165...350mA something is completely wrong! Usually
> the A-124 takes less than 30mA.
> 
> Best wishes
> Dieter Doepfer
> 
> 
> > -----Ursprüngliche Nachricht-----
> > Von: Doepfer_a100@yahoogroups.com
> > [mailto:Doepfer_a100@yahoogroups.com]Im Auftrag von ctujoao
> > Gesendet: Donnerstag, 14. Februar 2013 23:40
> > An: Doepfer_a100@yahoogroups.com
> > Betreff: [Doepfer_a100] A-124 tweak tic tic.
> >
> >
> > Hello there,
> >
> > Love the A-124. But now, how to make it even better?
> >
> > I got the self oscillation modifications done. Work best with a
> > pot added that let all the screaming goodness slowly coming in.
> >
> > You can tap the HP or LP on each leg of the mix potentiometer.
> > I've personally replace the "cv1" in - never used, always goes
> > for cv2 with attenuation- with an "LPout".
> >
> > One thing that would be nice would be to CV control the
> > crossfader between HP/LP, but that sounds like a lot of work, and
> > with the extra out mention before, I can do that downstream.
> >
> > Then, there's the resonance... And how to get control over that
> > wild thing.
> >
> > The signal that flows between the legs of the potentiometer is
> > weird; it lives at around 5.8V when the pot is CCW, and at 5.4V
> > when CW. However there's significantly more current going through
> > (form 165mA to 350mA).
> > I've got no idea how that work, could someone point out where to start?
> >
> > And since I'm not a messiah, but a very naughty boy, I added a
> > jack in the signal path at the potentiometer, just to see: when
> > an LFO, env...  is added in parallel with the original signal
> > flowing through the pot, you can swipe the resonance wildly (full
> > res to actually no sound, like silencing the filter, no gain)
> > Same thing: if someone wise can explain, I'll be grateful.
> >
> > THanks.
> >
> >
> >
> >
> > ------------------------------------
> >
> > Yahoo! Groups Links
> >
> >
> >
>