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ESQ-M Digital Wave Synthesizer Module

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The ESQ-M is an eight voice poly-timbral Digital Synthesizer. You‘ll find that it is a tool of enormous power and versatility for performing, recording and composing music.

The Synthesizer With three Digital Wave Oscillators per voice, thirty-two sampled and synthetic Waveforms to choose from, and 15 routable Modulation sources, the ESQ-M is capable of producing a wide variety of rich, complex sounds. The five-octave, velocity sensitive keyboard can be split for different sounds on each half, layered for two sounds playing together, or even programmed for a Split‘Layer mode in which two totally different pairs of sounds play on each keyboard half.

Forty Programs, or 'patches', are stored in the Internal Memory, with another eighty available on an external, plug-in Cartridge, giving you 120 sounds to select from instantly. In addition, the eighty-character fluorescent Display shows the names of ten programs at a time, making it easy to quickly scroll through all the sounds, to find the one you want. These programs can be played as is, or they can be modified to suit your taste and then renamed and stored, either in the Internal or the Cartridge Memory.

Editing of all programs and ‘global functions is handled from the informative display which shows at a glance all the parameters associated with a selected function. Audio outputs are provided for true stereo. Programs can be panned continuously between the left and right channels.

The ESQ-M also has an Amplitude Modulation (AM) mode which can produce bell and ring-modulator type effects. and a Sync mode for hard sync effects.

Technical Specifications
Type: Digital
Synthesis: ROM, Subtractive, Wave Table
Oscillators: 3
Waveforms: Pink Noise, Pulse, ROM, Saw Down, Saw Up, Sine, Square, Triangle, Wave Table, White Noise
ROM Resolution: 44.1 kHz
Osc Modulation: After Touch, Breath Controller, Continuous Controller, Envelope, Keyboard, LFO, Mod Wheel, Oscillator, Pedal, Pitch Wheel, Glide / Portamento, Velocity
Envelopes: 4
Evelope Paramerters: Delay, Attack, Decay, Decay 2, Sustain, Sustain Level, Release, Release 2, Rate 1, Level 1, Rate 2, Level 2, Rate 3, Level 3, Rate 4, Level 4, Bi-Polar, Freerun, Looping, Monophonic, Offset, Polyphonic, Slope, Triggered, Time
Types: 24dB Slope (4-pole), Low Pass, Resonance
Filter Modulation: Breath Controller, Envelope, Keyboard, LFO, Mod Wheel, Oscillator, Pedal, Portamento
LFO: 3
LFO Parameters: Noise, Sample & Hold, Saw Up, Saw Down, Sine, Square, Triangle, Clocked, Delay, Freerun, Key Sync, Phase
Polyphony & Tuning
Polyphony: 8
Timbrality: 8
Tuning: Atonal, Micro, Standard
Patches RAM: 40
Patches ROM: 40
Storage: Internal, RAM Cartridge, ROM Cartridge
Editing: MIDI
Case: Module, Rack
Case Details: 19" 2 space rack
Rack Size: 19", 2U, Full
Controls: Buttons, Sliders
Display Type: Vacuum Fluorescent
Display Count H: 16
Display Notes: 16-character fluorescent display, readable in all lighting conditions
Dimensions (WxDxH): 17 1/4" (44cm) wide (19" with rack hardware installed) x 3 1/2" (9cm) high x 12" (30cm) deep
Weight: 13 lbs.
Audio Output Connections: 1/4" Phone Jack, Stereo Main
Audio Output Count: 2
CV Ports: CV IN
Control Features: CV Pedal input
Year Released: 1986
Year Discontinued: 1988
Manuals & Documents
MSRP List Price: $995 - convert
Used Price: $150 - convert
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