“10 rare synthesizer modules used in educational settings to teach fundamentals of electronic music.
Manufactured by Electronic Music Lab, these were part of I.W. Turner, Inc., a small firm in New York.
Nine very rare simple modules made in America, using 9V batteries. Batteries are not included.
The following modules are included:
Square Wave Generator with volume, pitch, and Low-High switching
Saw-tooth Generator with volume, pitch, and Low-High switching
Triangle Wave Generator with volume, pitch, and Low-High switching
Ring Modulator with volume
White Sound Generator
Filter with timbre control
Envelope Control – manual trigger, and knobs for attack and decay (Could not get this one to function)
Mixer – 5 inputs and 1 output
Electronic Switch with pulse width and rate
Theremin – On/Off switch on back of unit and adjustment for frequency range
Also included is a mono Newcomb headset and 12 mono patch cables
All with beautiful little hand-labelled hand-made circuit boards. In very nice condition considering their age – around 50 years.”
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