ASM Hydrasynth Desktop 8-Voice Polyphonic Wave Morphing Synthesizer Module is a used item in excellent condition, listed on Reverb. The asking price is £446. It is offered by Vivificavit through Reverb. Local pickup is available. It is in our Synthesizers category. 30 similar listings have a median asking price of £523. Used Gear Hunter first saw this listing on 3 November 2026. It has been seen 2 times in our scans. Prices are converted from the seller's currency when we scan the listing, so the amount you pay may differ slightly. The seller sets shipping, and import duty or VAT may apply, so check the final cost and the item's details on Reverb before buying.
From the seller
Up for sale is an ASM (Ashun Sound Machines) Hydrasynth Desktop 8-voice polyphonic wave morphing synthesizer module in pristine condition. Kept exclusively in a smoke-free, climate-controlled home studio, never gigged, and kept covered when not in use. Cosmetically clean with no dents, scratches, or rack rash. Mechanically and electronically 100% functional: all 24 velocity- and polyphonic aftertouch-sensitive pads, smooth endless encoders, crisp OLED displays, buttons, and rear/top I/O jacks respond as new. It has been factory reset and updated to the latest firmware.
Included with Sale:
ASM Hydrasynth Desktop synthesizer
Original 12V DC power supply
Original factory rack ears with mounting hardware (never mounted)
USB-B cable
Quick Start guide
Original manufacturer packaging and box inserts
Key Features:
8-Voice Polyphony & Sound Engine: 3 WaveScan oscillators with 219 waveforms, custom wavetable creation, and dual Mutators (FM, PWM, Sync, Harmonic Sweep, and Phaz-Aspect).
Expressive Pad Interface: 24 responsive RGB pads supporting MPE and polyphonic aftertouch with customizable musical scales and pad layouts.
Dual Filter Architecture: Filter 1 offers 16 filter models (ladder, MS-20, vowel, and morphing curves); Filter 2 is a classic 12 dB/oct SEM-style state-variable filter (LP/BP/HP).
Deep Modulation: 5 DAHDSR envelopes with looping and tempo sync, 5 multi-wave LFOs, and a 32-slot modulation matrix.
Extensive Connectivity: 5-pin MIDI In/Out/Thru, USB MIDI, and dedicated 1/8" CV/Gate inputs and outputs (Pitch, Gate, Mod 1, Mod 2, and Clock) for seamless integration with Eurorack and modular systems.