Aperture

The Aperture is a variable-width bandpass filter with fast and tactile controls.

It is capable of simple filtering, self oscillation FM timbres, nasty acidic squelches, and capturing images of UFOs descending from the heavens on a cold winter’s night. The concept is a bandpass that ranges from transparent to gnarly, with precision controls that behave under stress, all while being joyful to wreak havoc with.

Features include:

Variable bandwidth via tactile and CV controls
Eight pole filter core
Independent resonance and self oscillation of both sides of the filter with CV
Feedback circuit with two modes and CV
Input level VCA
Additional CV for opening the band either side of Center
V/oct tracking
Temperature compensated
Dry / Wet mix for parallel filtering sounds