Back in 1969, this synth arrived as one of the first truly portable analog beasts, crammed into a compact wooden case that you could lug to a gig or studio without needing a truck—unlike the room-sized monsters from Moog or Buchla.
At its heart are three voltage-controlled oscillators delivering sine, ramp, square, and triangle waves, morphable via dedicated shape controls for everything from pulses to sloped ramps, plus a white noise generator with color tweaking for rumbly lows or hissy highs. A 24dB/octave lowpass filter self-oscillates into a piercing sine, joined by a trapezoid envelope generator, ring modulator, joystick for real-time parameter sweeps, and spring reverb, all routed through a genius 15x15 pin matrix patchbay where colored pins set attenuation levels without a tangle of cables. It's monophonic with 0.32V/oct CV and V-trig control, two audio ins, stereo outs, and that distinctive angled panel with precision geared tuning dials that feel like cracking a safe.
Players love its raw, drifting oscillators for wild sci-fi effects—hear it in classic Dr. Who episodes—and the matrix's tactile joy, though some note the tuning instability demands patience for melodic work. It's a sound designer's dream, solitary and unpredictable, perfect for pairing with delays.
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