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ASM (Ashun Sound Machines) Hydrasynth Explorer

8-Voice Wave Morphing Synthesizer

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ASM (Ashun Sound Machines) Hydrasynth Explorer
600.00 street price

The Hydrasynth Explorer represents the most portable and accessible entry point into the Hydrasynth ecosystem, featuring a compact 37-key semi-weighted keyboard with the signature Polytouch® polyphonic aftertouch technology. This battery-powered model delivers the complete Hydrasynth synthesis engine with 8-voice polyphony, making professional-quality synthesis available anywhere inspiration strikes. The mid-sized keys and reduced control set make it perfect for mobile music-making, travel, and situations where space and power are limited.

Despite its portable design, the Explorer maintains core Hydrasynth capabilities including note-on and note-off velocity sensitivity alongside polyphonic aftertouch. The streamlined control interface focuses on essential parameters with 4 arpeggiator knobs, 4 macro controls, and 3 performance filter controls. Touch strips with LED indicators replace traditional pitch and mod wheels, maintaining expressive control in the compact format.

The Explorer's battery operation (8 AA batteries providing 5+ hours of use) sets it apart as the only truly portable synthesizer in the lineup. While it features simplified connectivity compared to its larger siblings, it maintains professional audio outputs and comprehensive MIDI implementation including MPE support. The mixed construction approach with steel bottom plate and plastic upper keeps weight down while maintaining structural integrity.

Technical Specifications

  • Engine: Complete Hydrasynth engine
  • Polyphony: 8 voices
  • Voice Management: No split/stack capability
  • Keyboard: 37 mid-sized keys, semi-weighted with Polytouch® polyphonic aftertouch, note on/off velocity
  • Pedal Inputs: Sustain only
  • CV/Gate Inputs: None
  • CV/Gate Outputs:
    • Pitch out: 1v/octave (±5v, 0-5v), Hz to Volts (0-5v), 1.2v/octave
    • Keyboard gate out
    • Mod 1/2 outs (±5v, 0-5v, 0-1v)
    • Gates: S-trig and V-trig (3v, 5v)
  • Clock Out: 1 PPS, 2 PPQ, 24 PPQ, 48 PPQ at 3v, 5v
  • MIDI: USB MIDI, DIN MIDI In/Out, MPE support, polychaining
  • Controls:
    • Master Volume
    • 4 arpeggiator knobs
    • 4 macro knobs and buttons
    • 3 performance filter knobs and 2 buttons
    • Touch strips with LED indicator (pitch/mod)
  • Audio Outputs: 1/4" balanced L/R, 1/4" stereo headphone
  • Memory: 1,024 patches (8 banks of 128)
  • Power: Battery powered (8 AA batteries, 5+ hours) or 12v DC center positive (1 amp)
  • Construction: Steel bottom plate, plastic upper, rubberized buttons
  • Dimensions: 55.6 x 25.5 x 7.8 cm (21.9" x 10" x 3.1")
  • Weight: 3.4 kg (7.5 lbs)

Country of origin / production: China

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Usage area
Synthesizer 
Performance Synthesizer 
Usage Design/ Form Factor
With Keys 
Archetype
Digital (D) 
Polyphony
Voices8
Tone Generator / Sound Synthesis
Synthesis Method Digital Subtractive
Synthesis Method Wavetable
Oscillators overall24
Oscillator Type Digital
Oscillators per voice3
Programs/ Voices/ Timbres
Patches640
Filter
High-pass Filter (HPF) 
Low-pass Filter (LPF) 
Band-pass Filter (BPF) 
State-Variable Filter (HPF+LPF+BPF) 
Multimode 
Envelope Generator (EG)
Assignable5
AHDSR 
HADSR 
Modulation
Modulation Matrix32-Slot Mod Matrix
LFO: LFO per voice5
LFO Waveforms
Sine 
Square 
Triangle 
Up Saw 
Down Saw 
Sample&Hold 
Effects
Reverb 
Chorus 
Flanger 
Compressor 
Delay 
Phaser 
Rotary Speaker 
Tremolo 
Equalizer
Parametric 
Arpegiator/ Portamento
Arpegiator 
MIDI in/ out
IN 
OUT 
Keys
Type Synth Action
Aftertouch 
Size3
Number of Keys37
Display
Display type OLED
Display count2
Built-in controllers
Ribbon Controller2
Jog dial 
External controllers
Sustain foot pedal 
Expression foot pedal 
Gate out1
Audio out
Stereo 
All voices mixed in one output 
Analogue: 1/4" (6.35mm)2
Analogue: 1/4" (6.35mm) headphones preamplified1
Analogue: 1/8" (3.5mm) headphones preamplified1
Computer Interfaces
USB USB PC Link
USB MIDI through USB
Power
Voltage 12V
Power Supply External
Dimensions
Height58 mm
Width554 mm
Depth247 mm
Weight3.46 kg
Case/ body
Metal&plastic 
Color
Black 
Production start2021
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