Rock-Si-Chord Electronic Keyboard

Rock-Si-Chord Electronic Keyboard

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This electronic keyboard was made by Rocky Mountain Instruments in Rocky Mount, North Carolina, about 1968. It is a Rock-Si-Chord, model 200A, serial #2081. This instrument was invented to approximate the sound of a harpsichord, especially for use in rock music. This model has two sets of individual tone generators, one tuned at an 8-foot pitch and one tuned at a 4-foot pitch. There are two volume controls on the voicing table between the voice toggle buttons. The disposition of the voice toggle buttons is as follows:

Lute 8’
Electric Guitar A 8’
Electric Guitar B 8’
Harpsichord 8’
Cembalo 8’
Lute 4’
Electric Guitar A 4’
Electric Guitar B 4’
Harpsichord 4'
Cembalo 4'
Tamboura 4’
Accenter 4’

Rocky Mount Instruments is a subsidiary of Allen Organ Co.

This instrument features U.S. Patent 27076654, dated May 3, 1955 by Mac Marsillius, assignor to Woodstock Metal Products, Inc., for folding legs for a collapsible table.

Currently not on view
Object Name
Date made
ca 1968
place made
United States: North Carolina, Rocky Mount
Physical Description
plastic (overall material)
metal (overall material)
overall: 35 3/4 in x 36 1/2 in x 23 1/4 in; 90.805 cm x 92.71 cm x 59.055 cm
ID Number
accession number
catalog 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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