Moog Synthesizer 15
Documentation on the Moog Synthesizer 15 is thin. The archive record holds no confirmed production years, no original price, and no formal specification sheet. What survives comes from a single period survey. Studio Sound (May 1975, p.58) listed the Synthesizer 15 among its modular systems. The module list it recorded is three 902 voltage-controlled amplifiers, one 904A lowpass filter, one 904B highpass filter (60 Hz to 20 kHz, with voltage-controlled or manual control), one 907A filter, three 911 envelope generators, one 921 oscillator, two 921A oscillator drivers, four 921B oscillator banks, and one 923 random noise source. The noise generator offered switchable white or pink noise. The envelope generator was a simple in/out module that shaped the basic signal into final envelope patterns.
That is the whole record. No further design details, historical context, or reception notes have surfaced in the materials available to the Archive. If you own a Synthesizer 15 or have original paperwork, the VTA would welcome the documentation.
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