HYDRASYNTH SPECIFICATIONS

HYDRASYNTH KEYBOARD

Physical Specifications

Metal Chassis
•　Steel top and bottom
•　Aluminum side panels

Polytouch® Keybed
•　49 keys, semi-weighted
•　Polyphonic aftertouch
•　Selectable velocity / aftertouch curves

4-octave Ribbon Controller (67 cm, 26.4”)
•　Pitch Bend mode
•　Mod Only mode – use the ribbon as a modulation source
•　Theremin mode - the ribbon triggers a note
◦　Choose continuous pitch or one of 60 scales, including microtonal
◦　Selectable range: 2, 4, or 6 octaves
•　Ribbon can be CV source

Additional Hardware Controls
•　Octave Up/Down buttons for instant transposition
•　Chord mode button: stack up to 8 notes in a chord
•　Pitch bend / modulation controls with adjustable depth

Patch Memory
•　8 banks with 128 patches each: 1,024 total
•　Sort patches by Patch number, Name, or Category
•　Browse Favorites: Select 32 patches from any bank for immediate access

CV / Gate Inputs and Outputs
•　Supports multiple CV / Gate standards
◦　CV
-　1v per octave 0-10V
-　1v per octave +/-5V
-　Hz to Volts 0-10V
-　1.2V per octave
-　Adjustable offset: +/-99 cents
-　Adjustable reference note: C-1 to G9
◦　Gate
-　V-trig, S-trig
-　3V, 5V, 10V
◦　Mod In / Out range
-　+/-5V, 0-10V, 0-5V, 0-1V
-　Adjustable offset: +/-3V
◦　Clock Out
-　1PPS, 2PPQ, 24PPQ, 48 PPQ
-　Clock Voltage: 3v, 5V, 10V
-　Selectable clock division: Off, 1/2, 2, 4
-　Adjustable offset: +/- 100ms

MIDI IN / OUT / THRU
•　Voice overflow mode to expand polyphony with a second Hydrasynth

Expression pedal input
•　Selectable curves and polarity

Sustain pedal input
•　Polarity sensing
•　Three modes of operation: Sustain, Sostenuto, and Modulation Only

DC input jack

USB port
•　Supports USB MIDI In / Out

Audio outputs
•　Stereo analog outputs (balanced)
•　Two headphone connectors
◦　6.35 mm (1⁄4 inch) and 3.5 mm
◦　Shared volume control
◦　Impedance: 16 – 75 Ohm

Dimensions
•　80 x 35 x 10.3 cm (31.5 x 13.78 x 4.05 inches)

Weight
•　10kg (22.05 lbs)

Sound Patch Specifications

8 Voice Advanced Wavetable synthesis

Oscillators 1 and 2: Wavemorphing oscillators
•　219 single-cycle waveforms
•　User wavetables
◦　8 user-selectable waves per oscillator to build custom wavetables
◦　WaveScan parameter lets you morph through the wavetables
◦　Every patch can have two unique wavetables
•　Bit reduction: 11 settings from 2 to 16 bits, and Off
•　+/- 3 octave tuning range
•　Keytracking: 0-200%

Oscillator 3: fixed Wave oscillator
•　219 single-cycle waveforms
•　Bit reduction: 11 settings from 2 to 16 bits, and Off
•　+/- 3 octave tuning range
•　Keytracking: 0-200%

Dual Mutants per oscillator (Osc 1 and 2)
•　FM: Linear FM
◦　Selectable Modulator source:
-　Internal Sine & Triangle waves, Oscillators 1-3, Ring Mod, Noise generator, Mutants 1-4, External Mod inputs 1 & 2
•　WavStack™: Generates 5 detuned waves from the input source, with adjustable detune amount
•　Hard Sync (Osc Sync): gives that classic sync sweep sound
◦　Selectable sync input source: Oscillators 1-3
◦　Adjustable Hann window to shape the output
•　Pulse Width Modulation (PW-Orig): Adjusts the pulse width of any waveform
•　PW-Squeeze: Compresses the center section of the waveform, for a unique type of PWM
•　PW-ASM: 8 adjustable Warp points can be applied to the waveform, for a unique form of FM synthesis
◦　Warp points can be modulated individually through the Mod Matrix
•　Harmonic Sweep: scans through the harmonics of the incoming waveform
•　PhazDiff: creates a new sound by combining phase shifting and summing techniques
•　Depth control for all Mutants
•　FeedBack control for all Mutants (except WavStack): 0-150%
•　Ratio control for Osc Sync, Harmonic, and all PWM Mutants: 0.250:1 - 64:1
◦　Mutations occur up to 64 times in one waveform cycle, or as few as once in four cycles
•　Dry/Wet mix to blend the input source with the Mutant output

Noise Generator
•　White, Pink, Brown, Red, Blue, Violet, Grey noise sources

Ring Modulator
•　Selectable input source:
◦　Oscillators 1-3, Noise, Mutants 1-4, External Mod inputs 1 & 2
•　Depth control

Sound source mixer
•　Independent level control for Oscillators 1-3, Noise, and Ring Mod
•　Panning for each source
•　Filter routing mix
•　Each source can be soloed
◦　Solo status is saved with the patch

Two Filters
•　Series or parallel routing
•　Filter 1
◦　12 & 24dB/octave modern ladder (compensated)
◦　12 & 24dB/octave vintage ladder (uncompensated)
◦　3-Ler LP, BP, HP
◦　MS20 HP, LP
◦　Low Pass Gate
◦　STN LP, BP, HP
◦　1 pole LP
◦　8 pole LP
◦　Vocal filter
◦　Multiple vowel order options
-　Formant parameter
•　Filter 2 (SEM style)
◦　Continuously Variable Low pass > Band pass > High pass
◦　Continuously Variable Low pass > Notch > High pass

Patch-level parameters
•　Poly, Mono, and Unison modes
•　Two glide modes: Glide and Glissando
•　60 scales available, including microtonal
◦　New scales can be imported from third-party software
•　VoiceMod: independent modulation levels available per voice, per patch
•　MPE support
•　NRPN / CC automation capability
•　Randomize or initialize parameters, modules, or an entire patch

Modulation Specifications

5x Low Frequency Oscillators
•　10 static waves
◦　Sine, Triangle, Saw up, Saw down, Square, Pulse 27%, Pulse 13%, S&H, Noise, Random
•　Step Wave: up to 64 user-definable steps (similar to a step sequencer)
◦　SemiLock for chromatic pitch sequencing
◦　Can advance one step per trigger
•　Clock sync
•　Variable rate
◦　BPM Sync Off: 0.02 - 150 Hz
◦　BPM Sync On: 1/64T - 64' (16 bars), including dotted and triplet options
•　Starting phase
•　Start delay
•　Fade in
•　Master LFO output gain
•　Trigger modes: Mono, Poly, Off (free run)
•　One shot modes: Off, On, and Step
•　Adjustable smoothing of waves and LFO steps
•　LFO quantize: 8 levels

5x Envelope Generators
•　6 stage DAHDSR envelopes
◦　Delay, Attack, Hold, Decay, Sustain, Release
◦　Slope curves for ADR stages
◦　Variable from full exponential to full logarithmic
◦　Use Tempo or Time option for setting the length of each stage
•　BPM Sync option
•　Looping of AHD stages
◦　Loop 2-50 times or indefinitely
◦　Envelopes can function as additional LFOs
•　Envelope quantize: 8 levels
•　Trigger modes: Reset, Retrigger, Legato (not available in Poly mode)
•　Trigger Sources: up to 4 trigger sources available for each envelope

Matrix modulation
•　32 slots for source-destination mod routings with amount
•　35 sources, 191 destinations
•　Modulation slots can be mod destinations and/or Macro destinations
•　Per-voice Modulation sources: bipolar or unipolar

8x Macro knobs and buttons
•　Each Macro knob allows positive and negative control of up to 8 destinations
•　Macros can be modulation destinations

Arpeggiator
•　Arp parameters can be modulation destinations
•　Modes
◦　Up, down, up/down, up & down, note order, random, chord, phrase
◦　64 preset phrases
◦　Adjustable length
◦　Step offset +/- 32 steps
◦　Tap Trigger option: advance arpeggiator with Tap Tempo button
•　Octave
◦　Range: 1-6 octaves
•　Play order
◦　Up, down, up/down, alt 1, alt 2
•　Swing: Adjustable from 50-75%
•　Gate time: 5-100%
•　Ratchet: repeats notes
•　Chance: sets how often the ratchet takes place

Effects Specifications

Pre-effects: before Delay and Reverb
•　Chorus, Flanger, Rotary, Phaser, Lo-Fi, Tremolo, EQ, Compressor (with side chain), Distortion

Delay
•　Mono, Stereo, Panning, LRC (left/right/center), Reverse
•　BPM sync option

Reverb
•　Hall, Room, Plate, Cloud
•　Freeze mode

Post-effects: after Delay and Reverb
•　Chorus, Flanger, Rotary, Phaser, Lo-Fi, Tremolo, EQ, Compressor (with side chain), Distortion

HYDRASYNTH DESKTOP

Physical Specifications

Metal Chassis
•　Steel top and bottom
•　Aluminum side panels
•　5U in rack (rack ears included)

24 Polytouch® pads
•　24 velocity- and pressure-sensitive RGB pads
•　Selectable velocity / aftertouch curves

Patch Memory
•　8 banks with 128 patches each: 1,024 total
•　Sort patches by Patch number, Name, or Category
•　Browse Favorites: Select 32 patches from any bank for immediate access

CV / Gate Inputs and Outputs
•　Supports multiple CV / Gate standards
◦　CV
-　1v per octave 0-10V
-　1v per octave +/-5V
-　Hz to Volts 0-10V
-　1.2V per octave
-　Adjustable offset: +/-99 cents
-　Adjustable reference note: C-1 to G9
◦　Gate
-　V-trig, S-trig
-　3V, 5V, 10V
◦　Mod In / Out range
-　+/-5V, 0-10V, 0-5V, 0-1V
-　Adjustable offset: +/-3V
◦　Clock Out
-　1PPS, 2PPQ, 24PPQ, 48 PPQ
-　Clock Voltage: 3v, 5V, 10V
-　Selectable clock division: Off, 1/2, 2, 4
-　Adjustable offset: +/- 100ms

MIDI IN / OUT / THRU
•　Voice overflow mode to expand polyphony with a second Hydrasynth

Expression pedal input
•　Selectable curves and polarity

Sustain pedal input
•　Polarity sensing
•　Three modes of operation: Sustain, Sostenuto, and Modulation Only

DC input jack

USB port
•　Supports USB MIDI In / Out

Audio outputs
•　Stereo analog outputs (balanced)
•　Rear-panel headphone connector
◦　6.35 mm (1⁄4 inch)
◦　Impedance: 16 – 75 Ohm

Dimensions
•　44 x 22.3 x 7 cm (17.32 x 8.78 x 2.76 inches)

Weight
•　3.6kg (7.94 lbs)

Sound Patch Specifications

8 Voice Advanced Wavetable synthesis

Oscillators 1 and 2: Wavemorphing oscillators
•　219 single-cycle waveforms
•　User wavetables
◦　8 user-selectable waves per oscillator to build custom wavetables
◦　WaveScan parameter lets you morph through the wavetables
◦　Every patch can have two unique wavetables
•　Bit reduction: 11 settings from 2 to 16 bits, and Off
•　+/- 3 octave tuning range
•　Keytracking: 0-200%

Oscillator 3: fixed Wave oscillator
•　219 single-cycle waveforms
•　Bit reduction: 11 settings from 2 to 16 bits, and Off
•　+/- 3 octave tuning range
•　Keytracking: 0-200%

Dual Mutants per oscillator (Osc 1 and 2)
•　FM: Linear FM
◦　Selectable Modulator source:
-　Internal Sine & Triangle waves, Oscillators 1-3, Ring Mod, Noise generator, Mutants 1-4, External Mod inputs 1 & 2
•　WavStack™: Generates 5 detuned waves from the input source, with adjustable detune amount
•　Hard Sync (Osc Sync): gives that classic sync sweep sound
◦　Selectable sync input source: Oscillators 1-3
◦　Adjustable Hann window to shape the output
•　Pulse Width Modulation (PW-Orig): Adjusts the pulse width of any waveform
•　PW-Squeeze: Compresses the center section of the waveform, for a unique type of PWM
•　PW-ASM: 8 adjustable Warp points can be applied to the waveform, for a unique form of FM synthesis
◦　Warp points can be modulated individually through the Mod Matrix
•　Harmonic Sweep: scans through the harmonics of the incoming waveform
•　PhazDiff: creates a new sound by combining phase shifting and summing techniques
•　Depth control for all Mutants
•　FeedBack control for all Mutants (except WavStack): 0-150%
•　Ratio control for Osc Sync, Harmonic, and all PWM Mutants: 0.250:1 - 64:1
◦　Mutations occur up to 64 times in one waveform cycle, or as few as once in four cycles
•　Dry/Wet mix to blend the input source with the Mutant output

Noise Generator
•　White, Pink, Brown, Red, Blue, Violet, Grey noise sources

Ring Modulator
•　Selectable input source:
◦　Oscillators 1-3, Noise, Mutants 1-4, External Mod inputs 1 & 2
•　Depth control

Sound source mixer
•　Independent level control for Oscillators 1-3, Noise, and Ring Mod
•　Panning for each source
•　Filter routing mix
•　Each source can be soloed
◦　Solo status is saved with the patch

Two Filters
•　Series or parallel routing
•　Filter 1
◦　12 & 24dB/octave modern ladder (compensated)
◦　12 & 24dB/octave vintage ladder (uncompensated)
◦　3-Ler LP, BP, HP
◦　MS20 HP, LP
◦　Low Pass Gate
◦　STN LP, BP, HP
◦　1 pole LP
◦　8 pole LP
◦　Vocal filter
◦　Multiple vowel order options
-　Formant parameter
•　Filter 2 (SEM style)
◦　Continuously Variable Low pass > Band pass > High pass
◦　Continuously Variable Low pass > Notch > High pass

Patch-level parameters
•　Poly, Mono, and Unison modes
•　Two glide modes: Glide and Glissando
•　60 scales available, including microtonal
◦　New scales can be imported from third-party software
•　VoiceMod: independent modulation levels available per voice, per patch
•　MPE support
•　NRPN / CC automation capability
•　Randomize or initialize parameters, modules, or an entire patch

Modulation Specifications

5x Low Frequency Oscillators
•　10 static waves
◦　Sine, Triangle, Saw up, Saw down, Square, Pulse 27%, Pulse 13%, S&H, Noise, Random
•　Step Wave: up to 64 user-definable steps (similar to a step sequencer)
◦　SemiLock for chromatic pitch sequencing
◦　Can advance one step per trigger
•　Clock sync
•　Variable rate
◦　BPM Sync Off: 0.02 - 150 Hz
◦　BPM Sync On: 1/64T - 64' (16 bars), including dotted and triplet options
•　Starting phase
•　Start delay
•　Fade in
•　Master LFO output gain
•　Trigger modes: Mono, Poly, Off (free run)
•　One shot modes: Off, On, and Step
•　Adjustable smoothing of waves and LFO steps
•　LFO quantize: 8 levels

5x Envelope Generators
•　6 stage DAHDSR envelopes
◦　Delay, Attack, Hold, Decay, Sustain, Release
◦　Slope curves for ADR stages
◦　Variable from full exponential to full logarithmic
◦　Use Tempo or Time option for setting the length of each stage
•　BPM Sync option
•　Looping of AHD stages
◦　Loop 2-50 times or indefinitely
◦　Envelopes can function as additional LFOs
•　Envelope quantize: 8 levels
•　Trigger modes: Reset, Retrigger, Legato (not available in Poly mode)
•　Trigger Sources: up to 4 trigger sources available for each envelope

Matrix modulation
•　32 slots for source-destination mod routings with amount
•　35 sources, 191 destinations
•　Modulation slots can be mod destinations and/or Macro destinations
•　Per-voice Modulation sources: bipolar or unipolar

8x Macro knobs and buttons
•　Each Macro knob allows positive and negative control of up to 8 destinations
•　Macros can be modulation destinations

Arpeggiator
•　Arp parameters can be modulation destinations
•　Modes
◦　Up, down, up/down, up & down, note order, random, chord, phrase
◦　64 preset phrases
◦　Adjustable length
◦　Step offset +/- 32 steps
◦　Tap Trigger option: advance arpeggiator with Tap Tempo button
•　Octave
◦　Range: 1-6 octaves
•　Play order
◦　Up, down, up/down, alt 1, alt 2
•　Swing: Adjustable from 50-75%
•　Gate time: 5-100%
•　Ratchet: repeats notes
•　Chance: sets how often the ratchet takes place

Effects Specifications

Pre-effects: before Delay and Reverb
•　Chorus, Flanger, Rotary, Phaser, Lo-Fi, Tremolo, EQ, Compressor (with side chain), Distortion

Delay
•　Mono, Stereo, Panning, LRC (left/right/center), Reverse
•　BPM sync option

Reverb
•　Hall, Room, Plate, Cloud
•　Freeze mode

Post-effects: after Delay and Reverb
•　Chorus, Flanger, Rotary, Phaser, Lo-Fi, Tremolo, EQ, Compressor (with side chain), Distortion

HYDRASYNTH DELUXE

Physical Specifications

Metal Chassis
•　Steel top and bottom
•　Aluminum side panels
•　Detachable laptop shelf

Polytouch® Keybed
•　73 keys, semi-weighted
•　Polyphonic aftertouch
•　Note On and Note Off Velocity

4-octave Ribbon Controller (67 cm, 26.4”)
•　Pitch Bend mode
•　Mod Only mode – use the ribbon as a modulation source
•　Theremin mode - the ribbon triggers a note
◦　Choose continuous pitch or one of 60 scales, including microtonal
◦　Selectable range: 2, 4, or 6 octaves
•　Ribbon can be CV source

Additional Hardware Controls
•　Octave Up/Down buttons for instant transposition
•　Chord mode button: stack up to 8 notes in a chord
•　Pitch bend / modulation controls with adjustable depth
•　Balance knob controls relative levels of Upper / Lower patches in Multi mode

Patch Memory
•　8 banks of 128 patches in Single mode
•　5 banks of 128 patches in Multi mode
◦　Each Multi contains two complete Hydrasynth patches: one for the Upper part, one for the Lower part
◦　Upper / Lower patches are independent of Single mode patches
•　Sort patches by Patch number, Name, or Category
•　Browse Favorites: Select 128 patches from any bank, including Singles or Multis, for immediate access

CV / Gate Inputs and Outputs
•　Supports multiple CV / Gate standards
◦　CV
-　1v per octave 0-10V
-　1v per octave +/-5V
-　Hz to Volts 0-10V
-　1.2V per octave
-　Adjustable offset: +/-99 cents
-　Adjustable reference note: C-1 to G9
◦　Gate
-　V-trig, S-trig
-　3V, 5V, 10V
◦　Mod In / Out range
-　+/-5V, 0-10V, 0-5V, 0-1V
-　Adjustable offset: +/-3V
◦　Clock Out
-　1PPS, 2PPQ, 24PPQ, 48 PPQ
-　Clock Voltage: 3v, 5V, 10V
-　Selectable clock division: Off, 1/2, 2, 4
-　Adjustable offset: +/- 100ms

MIDI IN / OUT / THRU
•　Voice overflow mode to expand polyphony with a second Hydrasynth

Expression pedal input
•　Selectable curves and polarity

Sustain pedal input
•　Polarity sensing
•　Three modes of operation: Sustain, Sostenuto, and Modulation Only

DC input jack

USB port
•　Supports USB MIDI In / Out

Audio outputs
•　Stereo analog outputs: two pairs (balanced)
◦　Automatic routing when Upper / Lower outputs are connected
•　Two headphone connectors
◦　6.35 mm (1⁄4 inch) and 3.5 mm
◦　Shared volume control
◦　Impedance: 16 – 75 Ohm

Dimensions
•　Without Shelf: 113.1 x 34.9 x 11.9 cm (44.53” x 13.74” x 4.65” inches)
•　Shelf installed: 113.1 x 42.3 x 11.9 cm (44.53” x 16.65” x 4.65” inches)

Weight
•　13.3 kg (29.33 lbs)

Sound Patch Specifications

16 Voice Advanced Wavetable synthesis
•　Single mode: Operates as a 16-voice Hydrasynth
•　Multi mode: Split or layer two 8-voice Hydrasynth engines

Oscillators 1 and 2: Wavemorphing oscillators
•　219 single-cycle waveforms
•　User wavetables
◦　8 user-selectable waves per oscillator to build custom wavetables
◦　WaveScan parameter lets you morph through the wavetables
◦　Every patch can have two unique wavetables
•　Bit reduction: 11 settings from 2 to 16 bits, and Off
•　+/- 3 octave tuning range
•　Keytracking: 0-200%

Oscillator 3: fixed Wave oscillator
•　219 single-cycle waveforms
•　Bit reduction: 11 settings from 2 to 16 bits, and Off
•　+/- 3 octave tuning range
•　Keytracking: 0-200%

Dual Mutants per oscillator (Osc 1 and 2)
•　FM: Linear FM
◦　Selectable Modulator source:
-　Internal Sine & Triangle waves, Oscillators 1-3, Ring Mod, Noise generator, Mutants 1-4, External Mod inputs 1 & 2
•　WavStack™: Generates 5 detuned waves from the input source, with adjustable detune amount
•　Hard Sync (Osc Sync): gives that classic sync sweep sound
◦　Selectable sync input source: Oscillators 1-3
◦　Adjustable Hann window to shape the output
•　Pulse Width Modulation (PW-Orig): Adjusts the pulse width of any waveform
•　PW-Squeeze: Compresses the center section of the waveform, for a unique type of PWM
•　PW-ASM: 8 adjustable Warp points can be applied to the waveform, for a unique form of FM synthesis
◦　Warp points can be modulated individually through the Mod Matrix
•　Harmonic Sweep: scans through the harmonics of the incoming waveform
•　PhazDiff: creates a new sound by combining phase shifting and summing techniques
•　Depth control for all Mutants
•　FeedBack control for all Mutants (except WavStack): 0-150%
•　Ratio control for Osc Sync, Harmonic, and all PWM Mutants: 0.250:1 - 64:1
◦　Mutations occur up to 64 times in one waveform cycle, or as few as once in four cycles
•　Dry/Wet mix to blend the input source with the Mutant output

Noise Generator
•　White, Pink, Brown, Red, Blue, Violet, Grey noise sources

Ring Modulator
•　Selectable input source:
◦　Oscillators 1-3, Noise, Mutants 1-4, External Mod inputs 1 & 2
•　Depth control

Sound source mixer
•　Independent level control for Oscillators 1-3, Noise, and Ring Mod
•　Panning for each source
•　Filter routing mix
•　Each source can be soloed
◦　Solo status is saved with the patch

Two Filters
•　Series or parallel routing
•　Filter 1
◦　12 & 24dB/octave modern ladder (compensated)
◦　12 & 24dB/octave vintage ladder (uncompensated)
◦　3-Ler LP, BP, HP
◦　MS20 HP, LP
◦　Low Pass Gate
◦　STN LP, BP, HP
◦　1 pole LP
◦　8 pole LP
◦　Vocal filter
◦　Multiple vowel order options
-　Formant parameter
•　Filter 2 (SEM style)
◦　Continuously Variable Low pass > Band pass > High pass
◦　Continuously Variable Low pass > Notch > High pass

Patch-level parameters
•　Poly, Mono, and Unison modes
•　Two glide modes: Glide and Glissando
•　60 scales available, including microtonal
◦　New scales can be imported from third-party software
•　VoiceMod: independent modulation levels available per voice, per patch
•　MPE support
•　NRPN / CC automation capability
•　Randomize or initialize parameters, modules, or an entire patch

Modulation Specifications

5x Low Frequency Oscillators
•　10 static waves
◦　Sine, Triangle, Saw up, Saw down, Square, Pulse 27%, Pulse 13%, S&H, Noise, Random
•　Step Wave: up to 64 user-definable steps (similar to a step sequencer)
◦　SemiLock for chromatic pitch sequencing
◦　Can advance one step per trigger
•　Clock sync
•　Variable rate
◦　BPM Sync Off: 0.02 - 150 Hz
◦　BPM Sync On: 1/64T - 64' (16 bars), including dotted and triplet options
•　Starting phase
•　Start delay
•　Fade in
•　Master LFO output gain
•　Trigger modes: Mono, Poly, Off (free run)
•　One shot modes: Off, On, and Step
•　Adjustable smoothing of waves and LFO steps
•　LFO quantize: 8 levels

5x Envelope Generators
•　6 stage DAHDSR envelopes
◦　Delay, Attack, Hold, Decay, Sustain, Release
◦　Slope curves for ADR stages
◦　Variable from full exponential to full logarithmic
◦　Use Tempo or Time option for setting the length of each stage
•　BPM Sync option
•　Looping of AHD stages
◦　Loop 2-50 times or indefinitely
◦　Envelopes can function as additional LFOs
•　Envelope quantize: 8 levels
•　Trigger modes: Reset, Retrigger, Legato (not available in Poly mode)
•　Trigger Sources: up to 4 trigger sources available for each envelope

Matrix modulation
•　32 slots for source-destination mod routings with amount
•　35 sources, 191 destinations
•　Modulation slots can be mod destinations and/or Macro destinations
•　Per-voice Modulation sources: bipolar or unipolar

8x Macro knobs and buttons
•　Each Macro knob allows positive and negative control of up to 8 destinations
•　Macros can be modulation destinations

Arpeggiator
•　Arp parameters can be modulation destinations
•　Modes
◦　Up, down, up/down, up & down, note order, random, chord, phrase
◦　64 preset phrases
◦　Adjustable length
◦　Step offset +/- 32 steps
◦　Tap Trigger option: advance arpeggiator with Tap Tempo button
•　Octave
◦　Range: 1-6 octaves
•　Play order
◦　Up, down, up/down, alt 1, alt 2
•　Swing: Adjustable from 50-75%
•　Gate time: 5-100%
•　Ratchet: repeats notes
•　Chance: sets how often the ratchet takes place

Effects Specifications

Pre-effects: before Delay and Reverb
•　Chorus, Flanger, Rotary, Phaser, Lo-Fi, Tremolo, EQ, Compressor (with side chain), Distortion

Delay
•　Mono, Stereo, Panning, LRC (left/right/center), Reverse
•　BPM sync option

Reverb
•　Hall, Room, Plate, Cloud
•　Freeze mode

Post-effects: after Delay and Reverb
•　Chorus, Flanger, Rotary, Phaser, Lo-Fi, Tremolo, EQ, Compressor (with side chain), Distortion

HYDRASYNTH EXPLORER

Physical Specifications

Metal Chassis
•　Sturdy plastic and metal construction
•　High quality rubberized buttons on the panel

Polytouch® Keybed
•　37 mid-sized keys, semi-weighted
•　Polyphonic aftertouch
•　Note On & Note Off Velocity
•　Selectable velocity / aftertouch curves

Additional Hardware Controls
•　Octave Up/Down buttons for instant transposition
•　Chord mode button: stack up to 8 notes in a chord
•　Pitch bend / modulation strips with adjustable depth

Patch Memory
•　8 banks with 128 patches each: 1,024 total
•　Sort patches by Patch number, Name, or Category
•　Browse Favorites: Select 32 patches from any bank for immediate access

CV / Gate outputs
•　Supports multiple CV / Gate standards
◦　CV
-　1v per octave 0-5V
-　1v per octave +/-5V
-　Hz to Volts 0-5V
-　1.2V per octave
-　Adjustable offset: +/-99 cents
-　Adjustable reference note: C-1 to G9
◦　Gate
-　V-trig, S-trig
-　3V, 5V
◦　Mod Out range
-　+/-5V, 0-5V, 0-1V
-　Adjustable offset: +/-3V
◦　Clock Out
-　1PPS, 2PPQ, 24PPQ, 48 PPQ
-　Clock Voltage: 3v, 5V
-　Selectable clock division: Off, 1/2, 2, 4
-　Adjustable offset: +/- 100ms

MIDI IN / OUT
•　Voice overflow mode to expand polyphony with a second Hydrasynth

Sustain pedal input
•　Polarity sensing
•　Three modes of operation: Sustain, Sostenuto, and Modulation Only

DC input jack

Battery compartment
•　Holds 8 AA batteries for hours of portable operation

USB port
•　Supports USB MIDI In/Out

Dimensions
•　55.6 x 25.5 x 7.8 cm (21.9” x 10” x 3.1” inches)

Weight
•　3.4 kg (7.5 lbs)

Sound Patch Specifications

8 Voice Advanced Wavetable synthesis

Oscillators 1 and 2: Wavemorphing oscillators
•　219 single-cycle waveforms
•　User wavetables
◦　8 user-selectable waves per oscillator to build custom wavetables
◦　WaveScan parameter lets you morph through the wavetables
◦　Every patch can have two unique wavetables
•　Bit reduction: 11 settings from 2 to 16 bits, and Off
•　+/- 3 octave tuning range
•　Keytracking: 0-200%

Oscillator 3: fixed Wave oscillator
•　219 single-cycle waveforms
•　Bit reduction: 11 settings from 2 to 16 bits, and Off
•　+/- 3 octave tuning range
•　Keytracking: 0-200%

Dual Mutants per oscillator (Osc 1 and 2)
•　FM: Linear FM
◦　Selectable Modulator source:
-　Internal Sine & Triangle waves, Oscillators 1-3, Ring Mod, Noise generator, Mutants 1-4
•　WavStack™: Generates 5 detuned waves from the input source, with adjustable detune amount
•　Hard Sync (Osc Sync): gives that classic sync sweep sound
◦　Selectable sync input source: Oscillators 1-3
◦　Adjustable Hann window to shape the output
•　Pulse Width Modulation (PW-Orig): Adjusts the pulse width of any waveform
•　PW-Squeeze: Compresses the center section of the waveform, for a unique type of PWM
•　PW-ASM: 8 adjustable Warp points can be applied to the waveform, for a unique form of FM synthesis
◦　Warp points can be modulated individually through the Mod Matrix
•　Harmonic Sweep: scans through the harmonics of the incoming waveform
•　PhazDiff: creates a new sound by combining phase shifting and summing techniques
Depth control for all Mutants
•　FeedBack control for all Mutants (except WavStack): 0-150%
•　Ratio control for Osc Sync, Harmonic, and all PWM Mutants: 0.250:1 - 64:1
◦　Mutations occur up to 64 times in one waveform cycle, or as few as once in four cycles
•　Dry/Wet mix to blend the input source with the Mutant output

Noise Generator
•　White, Pink, Brown, Red, Blue, Violet, Grey noise sources

Ring Modulator
•　Selectable input source:
◦　Oscillators 1-3, Noise, Mutants 1-4
•　Depth control

Sound source mixer
•　Independent level control for Oscillators 1-3, Noise, and Ring Mod
•　Panning for each source
•　Filter routing mix
•　Each source can be soloed
◦　Solo status is saved with the patch

Two Filters
•　Series or parallel routing
•　Filter 1
◦　12 & 24dB/octave modern ladder (compensated)
◦　12 & 24dB/octave vintage ladder (uncompensated)
◦　3-Ler LP, BP, HP
◦　MS20 HP, LP
◦　Low Pass Gate
◦　STN LP, BP, HP
◦　1 pole LP
◦　8 pole LP
◦　Vocal filter
◦　Multiple vowel order options
-　Formant parameter
•　Filter 2 (SEM style)
◦　Continuously Variable Low pass > Band pass > High pass
◦　Continuously Variable Low pass > Notch > High pass

Patch-level parameters
•　Poly, Mono, and Unison modes
•　Two glide modes: Glide and Glissando
•　60 scales available, including microtonal
◦　New scales can be imported from third-party software
•　VoiceMod: independent modulation levels available per voice, per patch
•　MPE support
•　NRPN / CC automation capability
•　Randomize or initialize parameters, modules, or an entire patch

Modulation Specifications

5x Low Frequency Oscillators
•　10 static waves
◦　Sine, Triangle, Saw up, Saw down, Square, Pulse 27%, Pulse 13%, S&H, Noise, Random
•　Step Wave: up to 64 user-definable steps (similar to a step sequencer)
◦　SemiLock for chromatic pitch sequencing
◦　Can advance one step per trigger
•　Clock sync
•　Variable rate
◦　BPM Sync Off: 0.02 - 150 Hz
◦　BPM Sync On: 1/64T - 64' (16 bars), including dotted and triplet options
•　Starting phase
•　Start delay
•　Fade in
•　Master LFO output gain
•　Trigger modes: Mono, Poly, Off (free run)
•　One shot modes: Off, On, and Step
•　Adjustable smoothing of waves and LFO steps
•　LFO quantize: 8 levels

5x Envelope Generators
•　6 stage DAHDSR envelopes
◦　Delay, Attack, Hold, Decay, Sustain, Release
◦　Slope curves for ADR stages
◦　Variable from full exponential to full logarithmic
◦　Use Tempo or Time option for setting the length of each stage
•　BPM Sync option
•　Looping of AHD stages
◦　Loop 2-50 times or indefinitely
◦　Envelopes can function as additional LFOs
•　Envelope quantize: 8 levels
•　Trigger modes: Reset, Retrigger, Legato (not available in Poly mode)
•　Trigger Sources: up to 4 trigger sources available for each envelope

Matrix modulation
•　32 slots for source-destination mod routings with amount
•　35 sources, 191 destinations
•　Modulation slots can be mod destinations and/or Macro destinations
•　Per-voice Modulation sources: bipolar or unipolar

4x Macro knobs and buttons
•　8 Macros total (2 pages, 4 Macros each)
•　Each Macro knob allows positive and negative control of up to 8 destinations
•　Macros can be modulation destinations

Arpeggiator
•　Arp parameters can be modulation destinations
•　Modes
◦　Up, down, up/down, up & down, note order, random, chord, phrase
◦　64 preset phrases
◦　Adjustable length
◦　Step offset +/- 32 steps
◦　Tap Trigger option: advance arpeggiator with Tap Tempo button
•　Octave
◦　Range: 1-6 octaves
•　Play order
◦　Up, down, up/down, alt 1, alt 2
•　Swing: Adjustable from 50-75%
•　Gate time: 5-100%
•　Ratchet: repeats notes
•　Chance: sets how often the ratchet takes place

Effects Specifications

Pre-effects: before Delay and Reverb
•　Chorus, Flanger, Rotary, Phaser, Lo-Fi, Tremolo, EQ, Compressor (with side chain), Distortion

Delay
•　Mono, Stereo, Panning, LRC (left/right/center), Reverse
•　BPM sync option

Reverb
•　Hall, Room, Plate, Cloud
•　Freeze mode

Post-effects: after Delay and Reverb
•　Chorus, Flanger, Rotary, Phaser, Lo-Fi, Tremolo, EQ, Compressor (with side chain), Distortion