Moog Voltage Controlled Amplifier

Moog Voltage Controlled Amplifier

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This synthesizer component was made by R.A. Moog Company in Trumansburg, New York in 1967. It is a voltage controlled amplifier model 902, serial No. 1038. There is a toggle switch for control mode (linear or exponential), a potentiometer for fixed control voltage, and 2 jacks for signal input and 3 jacks for control inputs.

This voltage controlled amplifier is part of a set of Moog components:

electronic keyboard, model 950 (cat. #1987.0123.04)
linear ribbon controller, model 955, serial no. 1010 (cat. #1987.0123.05)

(components in the right side unit):

fixed filter bank , model 907, serial no. 1008 (cat. #1987.0123.06)
voltage controlled amplifier, model 902, serial no. 1038 (cat. #1987.0123.19)
voltage controlled amplifier, model 902, serial no. 1115 (cat. #1987.0123.20)
envelope generator, model 911, serial no. 1037 (cat. #1987.0123.21)
envelope generator, model 911, serial no. 1036 (cat. #1987.0123.22)
white sound source, model 903, serial no. 1014 (cat. #1987.0123.07)
envelope follower, model 912, serial no. 1058 (cat. #1987.0123.08)
four channel mixer, model 984, serial no. 1006 (cat. #1987.0123.09)
electrical supply panel, model 910, serial no. 1016 (cat. #1987.0123.10)

(components in the left side unit):

voltage controlled high pass filter, model 904-B, serial no. 1017 (cat. #1987.0123.14)
coupler, model 904-C, serial no. 1013 (cat. #1987.0123.15)
voltage controlled low pass filter, model 904-A, serial no. 1019 (cat. #1987.0123.13)
reverberation unit, model 1009, serial no. 1009 (cat. #1987.0123.12)
voltage controlled oscillator, model 901, serial no. 1017 (cat. #1987.0123.16)
output stage, model 901-C, serial no. 1005 (cat. #1987.0123.17)
oscillator controller, model 901-A, serial no. 1017 (cat. #1987.0123.11)
oscillator, model 901-B, serial no. 1052 (cat. #1987.0123.25)
oscillator, model 901-B, serial no. 1053 (cat. #1987.0123.24)
oscillator, model 901-B, serial no. 1054 (cat. #1987.0123.23)
major control panel (cat. #1987.0123.18)

This Moog was previously owned and used by German-American composer Gershon Kingsley, who made several commercial recordings on the instrument. He composed the 1969 hit “Popcorn” on this Moog. Kingsley also played this instrument in several concerts in the United States and Europe.

Currently not on view
Object Name
synthesizer component
date made
place made
United States: New York, Trumansburg
Physical Description
metal (overall material)
plastic (overall material)
wood (overall material)
overall: 24 7/8 in x 18 1/2 in x 10 1/2 in; 63.1825 cm x 46.99 cm x 26.67 cm
ID Number
accession number
catalog number
model number
serial number
Credit Line
Gift of Ronald L. Clairmont
See more items in
Cultural and Community Life: Musical Instruments
Music & Musical Instruments
Electronic Musical Instruments
Data Source
National Museum of American History
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