The Alesis Midiverb II came out in 1987 and has never really gone away. It is a 1U rackmount effects processor with 99 fixed presets covering reverb, chorus, flange, delay, and special effects, built around a 16-bit linear PCM processing engine on a custom Alesis chip. It is not a clean, transparent reverb — and that is precisely the point. The Midiverb II has a warmth and character that later, more clinical units never quite replicated, and it has earned genuine cult status among electronic producers, ambient artists, and shoegaze musicians for its dense, atmospheric reverb tails and the famous bloom presets. Decades on, people are still seeking these out.
This one powers on cleanly and all 99 presets recall properly. Buttons and knobs are all in good working order with no issues. Cosmetically there are small scratches on the chassis consistent with rack use — nothing unusual for a unit of this age. Power supply is included.
- Make: Alesis
- Model: Midiverb II
- Year: 1987
- Type: Rackmount digital effects processor, 1U
- Processing: 16-bit linear PCM, custom Alesis chip
- Bandwidth: 15kHz
- Presets: 99 fixed programs (reverb, chorus, flange, delay, special effects)
- Inputs: 2 x 1/4" analog
- Outputs: 2 x 1/4" analog
- MIDI: In and out
- Power: 9VAC external transformer
- Weight: 2.9 kg
- Modifications: none
- Includes: power supply
Ships carefully packed and insured for full value. International buyers are welcome — please contact us for a shipping quote before purchasing.
About Mill River Music
Mill River Music is an independent, human-powered music shop located in downtown Northampton, MA, run by a team of players, enthusiasts, and certified repair technicians. Every piece of used gear we sell is personally inspected, tested, and set up before it ships — we don't list it until we'd be happy to play it ourselves.
As Martin and Taylor certified techs, we hold our guitar work to a high standard, and we're committed to full transparency about the condition of everything we sell. No surprises.
When you buy from Mill River, you're supporting an independent local business that genuinely cares — about gear, about players, and about doing things right. We're here every step of the way. Reach out anytime.
