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Rave-O-Lution 309 - Image 1

Rave-O-Lution 309

DesktopDigitalPolyphonic

Back in 1996, this groovebox dropped as a clever twist on the classic acid house sound, packing five specialized mono synth engines into one compact unit to nail those squelchy 303 basslines and punchy drum hits without needing a rack of vintage gear.

Its analog emulation synthesis blends raw waveforms and samples with modeled subtractive synthesis for 17-voice polyphony, dedicated to kick (tune, tone, decay, level), snare, hi-hat, percussion sets (10 total), and bass/lead with glide, LFO modulations, resonance, filter drive, and full ADSR envelopes. Hands-on controls shine with 12 pattern pads for instant recall, accessible knobs sending MIDI CC for live tweaks, mute buttons per track, and a 2-line backlit LCD for editing. The 5-track sequencer (plus master) handles real-time/step recording, grid drum edit, 100 user patterns, 100 ROM patterns, and 16 songs up to 99 steps—topped with reverb, modulation/delay, 2-band EQ, and Overblast effects. Brushed aluminum tabletop design includes stereo outs, MIDI I/O/Thru, footswitch, with 128 synth memories, 64 each for kicks/snares/hi-hats.

Users loved its creative edge for dance music production and stage use, emulating 606/808/909/303 vibes at a fraction of the cost, though the learning curve and sequencer quirks like no looping glides drew some gripes—still, a staple for TB-style setups.

Released

1996

Status

Discontinued

Synthesizer
Format
Desktop
Type
Sample-based, Subtractive
Internal Battery
No
Voice
A/D
Digital
Polyphony
Polyphonic
Oscillators
-
Oscillator Type
-
Voices
17
Filter
24dB/oct (4-pole), Lowpass, 12dB/oct (2-pole), Highpass
Envelopes
-
LFO
-
Effects
Reverb, Modulation/Delay, 2-band parametric EQ, Overblast
Expression
Aftertouch
No
Velocity
-
MPE
No
Additional
-
Software
-
I/O
Audio In
2x 1/4" Line In
Audio Out
2x 1/4" TRS L/R
Headphone
-
MIDI
In, Out, Thru
MIDI Type
DIN (5-pin)
Ports
Footswitch
Wi-Fi
No
Workflow
Arpeggiator
-
Sequencer
Yes
Mod Matrix
-
Memory
64 Kicks, 64 snares, 64 hi-hats, 128 Bass-lead, 10 percussion sets
Measurements
Dimensions
-
Weight
-
Last updated Mar 19, 2026