[sdiy] input resistors question

[Derek Holzer]

Pardon me if this is very basic... I have two filters in one module, and 
two CV inputs. I would like to be able to send either CV input to 
control the cutoff of either filter by means of four 100K pots (CV1 -> 
Filter 1, CV1 -> FIlter 2, CV2 -> Filter 1, CV2 -> Filter 2).

The input resistors for the CV of the filters are 220K each. If the 
input signal is connected to two pots instead of one, do I need to 
change the 220K resistor? I.e. do the two 100K pots connected to ground 
provide less resistance to the CV grounding out, that I would need to 
compensate for by lowering the input resistor?

Maybe it's part of a bigger confusion I have about potential dividers, 
which is why doesn't a CV lose voltage when "fanned" out to several 
inputs of several modules, each with their own input pots which combined 
up provide a less resistive path to ground? I know this causes voltage 
droop with a S&H, I guess it has to do with buffers and such too... I 
never went to school for this, so it's all trial and error I'm afraid... ;-)

thx+best!
Derek
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