QUAD FORMANT FILTER

QUAD FORMANT FILTER is a fourfold formant filter as used in the Mixtur Trautonium by Oskar Sala based on Doepfer's.

QUAD FORMANT FILTER is sold individually and as part of QUAD BUNDLE.

Four parallel resonance filters, each filter can be switched to low pass or band pass or off.

The frequency range for the filters is about 50Hz to 5kHz.

Individual filter outputs with dedicated output levels available and also separated levels for mixed output.