Ensoniq SQ-80 (1987–1989)
A digital/analog synthesizer and sequencer with 8-note polyphony, 3 oscillators per voice, and a 61-note keyboard featuring polyphonic aftertouch.
Overview
The Ensoniq SQ-80 is a digital/analog synthesizer and sequencer produced by Ensoniq from 1987 to 1989. It serves as an updated version of the Ensoniq ESQ-1, expanding on its predecessor with enhanced features and performance capabilities. Marketed as the first studio synthesizer designed specifically for live performance, the SQ-80 integrates a full 61-note, velocity-sensitive keyboard with polyphonic aftertouch, making it a responsive instrument for expressive playing. It includes a floppy disk drive for storage and offers robust MIDI capabilities, positioning it as a performance-oriented workstation for its era.
Specifications
| Polyphony | 8 voices |
| Timbrality | 8 |
| Oscillators | 3 per voice |
| Waveforms | 75 |
| Keyboard | 61-note, velocity-sensitive, polyphonic aftertouch |
| Envelopes | 4 time/level envelopes per voice |
| LFOs | 3 per voice |
| Floppy disk drive | Yes |
| MIDI capabilities | Robust MIDI capabilities |
| Weight | 29.2 pounds (13.2 kilograms) |
| Original price | $1,100; £1395 inc VAT |
| Warranty | One year, parts and labor |
Design
It features a 61-note, semi-weighted keyboard with full polyphonic aftertouch and includes a built-in floppy disk drive for patch and sequence storage. Known as a "Cross Wave Synthesizer," it builds upon the architecture of the ESQ-1 with expanded waveform content and performance-focused design.
Context
The SQ-80 was Ensoniq's update to its first synthesizer, the ESQ-1, and was positioned as a more performance-ready instrument. Designed explicitly for live use, it improved upon the ESQ-1 with a more responsive keyboard, additional waveforms, and integrated storage.
Market
Current used prices for the Ensoniq SQ-80 range from $300 to $990, depending on condition and seller. Units in excellent condition have been listed around $800–$990, while some sellers report sales as low as $300.
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