Roland Alpha Juno
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| Roland Alpha Juno by Roland | |||
| Synthesis type: | Analog Subtractive | ||
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| Polyphony: | 6 voices | ||
| Timbrality: | Monotimbral | ||
| Oscillators: | effectively 3 DCOs per voice (pulse, saw, square and noise, plus suboscillator) |
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| Filter: | Analog 24dB/oct resonant low-pass |
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| Attenuator: | ADSR envelope generator | ||
| LFO: | triangle | ||
| Velocity sensitive: | No (JU-1)/Yes (JU-2) | ||
| Aftertouch: | Yes | ||
| External control: | MIDI | ||
| Memory: | 128 patches (64 user, 64 preset) |
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| Onboard effects: | Chorus | ||
| Produced: | 1985 | ||
| Original price: | £575 (JU-1)/£799 (JU-2) | ||
The Roland Alpha Juno series of keyboards were digital polyphonic synths manufactured by Roland Corporation in 1985.
Two models were released: the Alpha Juno (JU-1), and the Alpha Juno 2 (JU-2), 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.
The Alpha Juno is notable for its unusual combination of the stability of digitally controlled oscillators with the arguably more pleasant quality of analogue filters. The JU-2 was used to create the Hoover sound, a notable sound used in jungle and rave music. Artists who have used the Alpha Juno include The Prodigy and a great many other rave acts.
More recently, software has been written for Microsoft Windows and Apple computers which allows graphical editing of Juno patches through MIDI.
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