Alpha Juno


Main Details
Maker Roland Company
Additional Model ID AJ-1/AJ-2
  • 6 × Voice
Form Factor Keyboard
Signal Path Analog Hardware
Made In Japan
Date Produced 1985-
Notes Two models were released: the Alpha Juno (AJU-1/AJ-1) (1985), and the Alpha Juno 2 (AJU-2/AJ-2) (1985), which added one octave of notes, a cartridge slot and touch-sensitivity. Alpha Juno synthesizers were notable for their reduced user interface compared to other synths of the day, with a single Alpha Dial replacing many sliders and knobs. The keyboard features MIDI in, out and thru, mono, stereo and headphone sockets. It also supports an external footpedal controller, and tape backup.

Polyphony - 6 voices
Oscillators - 1 DCO per voice: Pulse, Sawtooth, Sub, noise waveforms. 1 sub-oscillator.
Effects - portamento, chord memory, transpose, chorus
Memory - 64 User, 64 preset, backup to cassette
Filter - 24db analog lowpass filter
Envelopes - ADSR Envelopes
Arpeg/Seq - None
Keyboard - 49 note keyboard (no velocity or aftertouch)
Control - MIDI
Date Produced - 1986


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