Tiptop Audio Buchla 285t Frequency Shifter modulator and effects

and effects

and an integrated amplifier boosts the signal for use for headphones

their circuitry is notoriously complex and difficult to understand

Of course there's a 1 volt/octave trimmed CV input as well

Endless creativeness

Tiptop Audio Buchla 285t Frequency Shifter modulator and effectsTiptop Audio Buchla 285t Frequency Shifter is a Eurorack format reissue of the original 200 series module from 1971. It combines two functions in one module, frequency shifting and ring modulation. The theory of shifting frequencies using analog multipliers was first invented in the early 1900s. However, in 1971, Don Buchla took this concept and explored how it could interact with the audio signals of his modular synthesizer. By combining it with a