ASM Hydrasynth Keyboard

Item: SYN0007243-000
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ASM Hydrasynth Keyboard, 49-Note 8-Voice Digital Polyphonic Synthesizer with Noise Generator, Ring Modualtor & Theremin Mode  All product info

Product variations

ASM Hydrasynth Desktop

ASM Hydrasynth Desktop Product Image
  • Manufacturer: ASM
  • Construction / Number of Keys: Desktop without keyboard
  • Velocity sensitive: Yes
  • Sound Generation: Digital
  • Arpeggiator: Yes
  • ...
£ 659.00


ASM HYDRASYNTH Deluxe Product Image
  • Manufacturer: ASM
  • Construction / Number of Keys: 73
  • Tastaturausführung: semi-weighted
  • Velocity sensitive: Yes
  • Sound Generation: Digital
  • ...
£ 1,419.00


ASM HYDRASYNTH Explorer Product Image
  • Manufacturer: ASM
  • Construction / Number of Keys: 37
  • Tastaturausführung: no weight
  • Velocity sensitive: Yes
  • Sound Generation: Digital
  • ...
£ 475.00
£ 1,140.00
incl. VAT, incl. Shipping Costs
or cheap with financing
Available in our central warehouse
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Product information - ASM Hydrasynth Keyboard

ASM Hydrasynth 49-Note Polyphonic Keyboard Synthesizer

The ASM Hydrasynth Keyboard is an 8-Voice Digital Keyboard Synthesizer with Wave Morphing synthesis. The enormous variety of functions paired with first-class sound testifies to the many years of experience of the development team. The specially developed Polytouch Keybed is a 49-Note Keyboard with Polyphonic After-Touch that can be played with dynamic touch. The Pitch and Modulation Wheels have also been ergonomically redesigned. The User Interface has been redesigned with a view to minimizing menu work (paging) and functions are now located just a keystroke away. 8x illuminated Encoders and a large OLED Screen provide adequate access to all parameters and an optimal overview.

The Chord Function and the programmable Arpeggiator, provide 2x very powerful creative tools to work out your ideas on stage and in the studio. The Hydrasynth comes with 2x Pre-Set Banks of 128x Sounds each; 5x Banks with a total capacity of 640x Sounds available.

5x Analogue Outputs for CV, Gate, Clock and 2x definable controllers make this Synthesizer the control centre of a connected Modular System. In order for the Synth to benefit from Control Voltages, 2x CV Inputs have been implemented that sample into the high audio range. Gate Out and "Maths" in, assigning this to the Cut-Off in the modulation matrix; there are no limits to creativity.


Sound Creation

3x full-fledged Oscillators draw their basic material from 219x Waveforms, with Oscillators 1 and 2 also providing Master Wave Scanning, which allows up to 8x Waveforms to be crossfaded or morphed. The Oscillators can be further shaped via 4x "Mutants"; besides FM, 3x different types of Pulse Width Modulation (PWM), Hard-Sync and Harmonic Sweep, there is also Wavestack. The tool-kit is rounded off with a Noise Generator and the Ring Modulator.

Modulation & Controller

5x loopable DAHDSR Envelopes and 5x synchronizable LFOs with several Waveforms and Trigger Modes including a sixth Vibrato LFO provide plenty of movement in the sound. Besides some fixed Modulation Connections, almost every parameter can be modulated in the Hydrasynth via the Modulation Matrix, which has 32x Slots. A 670mm long Ribbon Controller can not only be used to modulate other parameters, but also offers a completely different method of note input in Theremin Mode.


With 2x different Filters (which can be used in Parallel or Serial mode) detailed sound shaping is simple on the Hydrasynth. The first Filter covers 11x different Models (including 12/24dB Low-Pass, High-Pass and Vocal). The second Filter is a state variable, and works with a slope of 12 dB and can be crossfaded continuously from Low-Pass via Band-Pass to High-Pass (similar to the SEM Filter).


As the last link in the signal chain there are 4x Effect Blocks to give the sound the final touch. The first and last Effect Blocks each contain the same selection of Chorus, Flanger, Rotary, Phaser, Lo-Fi, Tremolo, EQ, and Compressor (with Sidechain). In between, Delay and Reverb (five and six variations respectively) can be activated.

The main features of the ASM Hydrasynth Keyboard include:

  • 49-Note Polyphonic Keyboard
  • PolyTouch Keybed with Velocity & After-Touch
  • 670mm 4x Octave Ribbon Controller
  • 5x Banks of 128x Patch Memories
  • 8-Voice Advanced Wavetable Synthesis
  • Ring Modulator
  • Noise Generator
  • Theremin Mode
  • MIDI In/Out/Thru
  • USB Port
  • Pitch-Bend
  • Metal Chassis with Aluminium Side Panels
  • Dimensions (WxDxH): 800 x 350 x 103
  • Weight: 10kg
  • Finish: Black


  • Manufacturer: ASM
  • Construction / Number of Keys: 49
  • Tastaturausführung: semi-weighted
  • Velocity sensitive: Yes
  • Sound Generation: Digital
  • Arpeggiator: Yes
  • Aftertouch: Yes
  • Number of Knobs: 24
  • Number of Keys: 60
  • Display: Yes
  • USB MIDI Interface: Yes
  • Headphone Connection: Yes
  • Sustain Pedal Connection: Yes
  • MIDI Interface: Yes
  • LINE OUT: Yes
  • Volume Pedal Connection: Yes
  • incl. Power Adapter: Yes
  • Weight (kg): 10
  • Illuminated Buttons: Yes
  • Integrated Effects Processor: Yes
  • Number of Sounds: 640
  • Polyphony: 8
  • Keyboard Split: Yes
  • Power Supply: Adapter, external
  • Width (cm): 80
  • Height (cm): 11.5
  • Depth (cm): 35
  • Colour: Black
ASM Hydrasynth Keyboard Product ImageASM Hydrasynth Keyboard
£ 1,140.00
£ 1,486.00
£ 1,222.00
£ 869.00
£ 880.00
£ 684.00

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