Trautonium Formant Filter

External input/envellopefollower

limited edition Module A-124 is a special 12dB multimode filter using the “strange” filter circuit of the “EDP Wasp” (an analog synthesizer with black/yellow case built end of the seventies, manufactured by the UK company “Electronic Dream Plant”). This design “abuses” digital inverters as analog operational amplifiers leading to distortions and other “dirty” effects that [...]