Zoë Blade's notebook

Harald Bode

Harald Bode made electronic devices to manipulate sound. This included a modular system that used control voltages to pass values along from one module to another.[1] Although this was more of an effects device than a synthesiser designed to play melodies, it certainly seems to have influenced Bob Moog, who took the CV concept and ran with it when making his modular synthesisers.[2]

Bode later designed several modules for Moog, including a ring modulator and frequency shifter. Both are useful for creating inharmonic sounds, such as metallic clangs.


  1. "Sound Synthesizer Creates New Musical Effects" Harald Bode, Electronics, Dec 1961
  2. "Voltage-Controlled Electronic Music Modules" Robert Moog, Audio Engineering Society, Oct 1964

Engineers: Harald Bode