Doepfer

Can''t answer this, as I packed up the 116 today and sent it back 
to Enport (US distributor) for the 126 which I took delivery of also 
today and so far I'm quite pleased with.


--- In Doepfer_a100@y..., "stinchcombe_t" <tstinchcombe@q...> 
wrote:
> Hi Peter,
>  I don't have an A116, but if it is anything like the A-136 then this
> sounds terribly like the ghost of '150 bleed-thru revisited',
> discussed at length some weeks back. My guess would be 
that if the 116
> *is* like the 136 and has the capability of amplifying the input
> signal greatly, then the signal into the 150 may be more than 
+/- 8V,
> which we know it is very unhappy with! If you have a scope and 
can
> check out the size of the signal you are passing into the 150 
(do it
> *without* the connecion to the 150 being made, as otherwise 
the diodes
> in it will make it seem like about +/- 8.7 V, whereas in fact it 
could
> be higher) then I would be most interested to hear if this is the 
case
> or not. I still don't appreciate why the FET circuitry in the 4053
> chip behaves as it does under such conditions, but I shall 
continue to
> seek an answer - today I printed yet another 4053 datasheet, 
unlike
> the others I have this one shows the exact configuration of
> transistors in the switch, so I may yet be able to work it out!
> 
> Tim
> 
> [The views expressed above are entirely those of the writer and 
do not
> represent the views, policy or understanding of any other 
person or
> official body.]
> 
> 
> > Connect a sine into the A-116.  VC the shift with a ramp LFO.  
> > Listen to it.  You will hear a tiny bit of waveshape modulation, 
> > nothing to go bats over.
> > 
> > Take the output of the A-116 and route it into the INACTIVE I/0 
> > jack of the VC switch (the one in which the LED is OFF).  do 
not 
> > connect a VC into the switch, let it stay in that state.  Listen to 
the 
> > output of the VC switch.
> > 
> > You will hear an incredible amplification of the waveshaping 
> > effect now.  I have no idea why this is happening.  If there is 
no 
> > VC into the switch in order to connect the output (wiper) to the 
> > normally open contact (the I/0 without the LED on), then you 
> > shouldn't hear a damn thing....but you do.  I tried it on both the 
> > upper and lower VC swtch, worked like a charm.
> > 
> > try it,m you might like it.
> > 
> > best,
> > 
> > Peter Grenader