Roland Alpha Juno

Roland Alpha Juno
ManufacturerRoland
Dates1985-1987
PriceUS$895 / UK£575 (JU-1)
US$1,295 / UK£799 (JU-2)
Technical specifications
Polyphony6 voices
TimbralityMonotimbral
Oscillator1 DCO per voice
(pulse, saw, square and noise, plus suboscillator)
LFOtriangle
Synthesis typeAnalog Subtractive
FilterAnalog 24dB/oct resonant
low-pass
AttenuatorADSR envelope generator
Aftertouch expressionNo (JU-1)/Yes (JU-2)
Velocity expressionNo (JU-1)/Yes (JU-2)
Storage memory128 patches
(64 user, 64 preset)
EffectsChorus
Input/output
Keyboard49 (JU-1)/61 (JU-2)
External controlMIDI
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The Roland Alpha Juno is a series of analog polyphonic synthesizers introduced by Roland Corporation in 1985. The Alpha Juno 1 and Alpha Juno 2 were released at the same time, and feature the same sound engine but with the latter boasting additional performance features. The Alpha Junos were a departure from their predecessor, the Roland Juno-106, as they replaced the dedicated controls with soft touch buttons and a single dial for programming sounds. One of the factory presets, nicknamed a 'hoover sound', became a staple in jungle and rave music.