Doepfer A-104 Quad Resonance Filter zt-amplifiers hand stamped 1042943
Yard notes & kiln story
Description
Doepfer A 104 Quad Resonance Filter zt amplifiers hand stamped 1042943 hand stamped re 1V at 1 Pa IMPEDANCE 100 ohms MAXIMUM INPUT SOUND LEVEL 145 dB SPL A 104 is a fourfold formant filter as used in the Mixtur Trautonium by Oskar Sala In combination with the subharmonic generator A 113