ASM Hydrasynth Keyboard specs

Synthesizer specs verified against manufacturer documentation.

Brand: ASM

8.0/ 10
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The original 49-key Hydrasynth: polyphonic aftertouch and a wavetable engine that reset the poly-AT price.

#36 of 109 synthesizers · full ranking
Statuslegacy
Keys49
Key action49-key semi-weighted ASM Polytouch® keybed with fully polyphonic aftertouch, velocity and note-off velocity
Polyphony8
Sounds / presets1024
Weight10 kg
BluetoothNo
USB audioNo
PedalsSustain pedal input, Expression pedal input, CV/Gate inputs and outputs
USB to hostyes
Dimensions (W×D×H)800 × 350 × 103 mm
Released2019
Aftertouchpolyphonic
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Spec source: www.ashunsoundmachines.com — verified 2026-10-14

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