Analogue Solutions Polymath - Manual (Page 18)

Polymath
18 Circuits – Main PANEL | Analogue Solutions
VCF
Polymath has a multimode filter similar to that found in the old Oberheim SEM.
It comprises low and high pass filters, and they can be combined to create band and notch
filters.
The voltage controlled filter (VCF) is used to change the tone/frequency content of the raw
oscillators.
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