285e

Buchla's 285e Frequency Shifter / Balanced Modulator, a 200e series module: two independent processors.

Key features

• A frequency shifter moving a signal's frequencies up and down, on an internal reference voltage controlled from 1 Hz to 1 kHz and frequency modulated, or an external one; down and up outputs
• A balanced modulator for ring modulation, on its own internal or external reference, with a voltage controlled output panning from the unmodified input to the ring modulated signal (timbre)
• A ref source button per section, int or ext, shown on two lamps