Moog Modular Synthesizer - Modules

Modules

The following is a list of modules manufactured by Moog. Many modules were designed to replace existing ones.

  • 901 – VCO/LFO
  • 901A – VCO driver (1 volt per octave)
  • 901B – VCO
  • 901C – VCO output stage (used on early systems)
  • 901D – VCO output stage
  • 902 – VCA (2 inputs, 2 outputs, 3 CV inputs)
  • 903 – white noise (used on early systems before 903A)
  • 903A – random signal generator (white or pink noise)
  • 904A – low-pass VCF (24 dB-per-octave, considered the classic Moog filter)
  • 904B – high-pass VCF
  • 904C – filter coupler
  • 905 – spring reverb
  • 907 – horizontal fixed filter bank (Moog 10 and Moog 12)
  • 907A – vertical fixed filter bank (Moog 15 and Moog 35)
  • 909 – power supply (Early units)
  • 910 – power supply (Early units)
  • 911 – ADSR envelope generator (adjustable from 2 ms to 10 seconds)
  • 911A – dual trigger delay
  • 912 – envelope follower
  • 914 – fixed filter bank (12-band, 125 Hz to 5 kHz, with high-pass and low-pass knobs)
  • 921 – VCO (1.01 Hz to 40 kHz)
  • 921A – VCO driver (1 volt per octave)
  • 921B – VCO (more stable than 901B)
  • 923 – noise, high-pass and low-pass filter
  • 928 – sample and hold
  • 930 – power supply (Later units)
  • 950 – 49-note keyboard
  • 950A – keyboard controller
  • 950B – scale programmer
  • 951 – 61-note keyboard
  • 952 – 49-note, duophonic keyboard
  • 955 – ribbon controller (replaced by 956)
  • 956 – ribbon controller
  • 958 – pedal controller
  • 959 – joystick (X-Y) controller
  • 960 – sequencer (3 rows of eight steps)
  • 961 – sequencer interface Include voltage-trigger to S-trigger and back
  • 961CP – sequencer interface panel (Moog 55)
  • 962 – sequential switch
  • 984 – 4X4 matrix mixer
  • 991 – filter and attenuator
  • 992 – control voltages (illuminated red or blue switches linked to the 904A)
  • 993 – trigger/envelope (illuminated yellow or green switches)
  • 994 – jack multiples (duplicates voltages)
  • 995 – attenuators
  • 1120 – foot pedal
  • 1125 – sample-and-hold
  • 1130 – drum controller
  • 1131 – percussion controller
  • 1150 – ribbon controller
  • 1630 – Bode Frequency Shifter (designed by Harald Bode)
  • 1634 – pitch-to-voltage converter
  • 6401 – Bode ring modulator (designed by Harald Bode)
  • 6402 – Bode dual ring modulator (designed by Harald Bode)
  • 6552 – Bode Frequency Shifter with external carrier (designed by Harald Bode)
  • CP1 – CV and trigger outputs (Moog 3P)
  • CP2 – CV and trigger outputs, and filters
  • CP3 – 4X1 mixer
  • CP3A – mixer (illuminated switches linked to the VCOs)
  • CP4 – CV and trigger outputs, attenuators (Moog 1C)
  • CP4A – CV and trigger outputs (Moog 35)
  • CP5 – CV and trigger outputs (designed for the "P" series)
  • CP6 – CV and trigger outputs (designed for the "P" series)
  • CP7 – CV and trigger outputs, multiples (designed for the "P" series)
  • CP8 – power switch (Moog 2C and Moog 3C)
  • CP8A – power switch (Moog 35 and Moog 55)
  • CP9 – power switch (Moog 3P)
  • CP11 – mixer, triggers, outputs (Moog 10; four-input mixer, jack multiples, attenuator, 2 CV and trigger outputs, and 2 audio outputs)
  • CP35 – attenuators (Moog 35)
In addition to these, Moog made four preset boxes for the First Moog Quartet performance in Carnegie Hall (ca. 1967). Keith Emerson used a preset box for his Moog Modular. Each box contained perhaps six cards, each card with a lighted pushbutton to enable its presets to be active. Screwdriver-adjusted trimming pots on the cards were connected, by photoconductive cells on the cards, directly to the module circuits (knobs were set at their limits). The synthesizers were small portable 900-series modular types.

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