W
SYNTHESIZERS · 1971
ARP 3620 Keyboard
ARP
Manufacturer
ARP
Type
Synthesizers
Production
1971
Model
3620
01
From the Community
From the community
No conversations about the ARP 3620 Keyboard yet — own one or know it well? Ask the first question, share a fix, or post your unit.
02
Document Library
Manuals
4Service & Technical
403
Audio Demos
04
Compatible Sound ROMs
05
Modifications
06
Owner Registry
Production figures for the ARP 3620 Keyboard were never widely published, so there’s no official record of how many were built — or how many survive. This registry is a community census: every owner who logs their unit makes it the closest thing there is to a real count.
0units registered
0 serials recorded
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Own one? Add it to My Gear to join the registrySerial number, condition, and configuration are aggregated anonymously into the census.
07
System Components
This is a system module, not a standalone product — each module has its own documentation, firmware, and parts.
CONTENTS
01From the Community02Document Library03Audio Demos04Compatible Sound ROMs05Modifications06Owner Registry07System ComponentsManufacturer
ARP
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Specifications
- LFO
- 1
- Dates
- 1971-81, 2020
- Filter
- 24 dB/octavelow-pass(1)
- Effects
- Spring reverberator
- Keyboard
- 49
- Polyphony
- Monophonic
- Attenuator
- ADSRand AR
- Oscillator
- 3
- Timbrality
- Monotimbral
- Manufacturer
- ARP Instruments
- Storagememory
- None
- Synthesis type
- Analogsubtractive
- External control
- CV/Gate
- Velocity expression
- None
- Aftertouchexpression
- None