Crumar Trilogy Orchestral String Synthesizer

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Released in 1981 by Crumar, the Trilogy is a polyphonic analog synthesizer organized in 3 sections : Polysynth, Organ and Strings. The three sections are combined into one instrument to make up the six-voice analog hybrid synth. The Trilogy is a versatile and warm machine that can easily generate synth basses & leads, electronic pianos and organs, warm strings, lush pads and sci-fi type noises. Thanks to the razor-sharp filter resonance you can also get a variety of tuned percussive sounds.

The Synth section implements two 74LS221 oscillators with saw, square and saw+square waveforms. The it features 6 CEM VCFs, 6 CEM VCAs and 6 CEM EG. The Organ section implements two additional detunable master tone generators divided-down to generate the octaves of the 4 horizontal drawbars (2', 4', 8' and 16'). He is fully polyphonic. The Strings section generates brassy string sounds. He features a stepless "Footage" knob to mix low and high strings (16 ′ to 8 ′), a cutoff filter named "Timbre" and volume Attack and Release. He is 6-voice polyphonic.
The Trilogy LFO features triangle and square waveforms, and sports controls. These included a variable delay control, a variable slope for blending two separate tones, and a glide feature for a glissando pitch change in the initial attack of a sound. An oscillator sync option determines the high frequency attack of one oscillator with the other high frequency oscillator. An input on the rear panel allowed for pedal control of this function. (source: Matrixsynh)