Ensoniq MR76 (1996)
A 76-key performance workstation with 64-voice polyphony and built-in sequencing, released in 1996.
Overview
The Ensoniq MR76 is a professional-grade 76-key performance and composition keyboard, first released in 1996. Marketed as a workstation synthesizer, it features a weighted keybed and integrates sample-based synthesis with built-in effects and sequencing. Designed as the 76-key counterpart to the MR61, it offers a broad sonic palette with approximately 1,200 sounds drawn from 16MB of wave ROM. The MR76 remains a favorite among collectors and musicians who value its hands-on workflow and rich sound engine.
Specifications
| Production year | 1996 |
| Product type | Performance/Composition Keyboard |
| Keyboard | 76 keys |
| Polyphony | 64-voice |
| Synthesis type | ROM-Based Sample |
| Sounds | approximately 1200 (including drum sounds) |
| Wave ROM | 16MB |
| Dimensions | 50 1/2" (128.27 cm) wide x 5" (12.7 cm) high x 15 5/8" (39.69 cm) deep |
| Connectivity | MIDI ports, audio outs, pedal inputs |
Design
The MR76 features a robust build with a weighted keybed and includes a MIDI interface capable of exceeding the standard 128-channel limit. It supports sample playback at 44.1 kHz and integrates a range of terminal connectors for live and studio use, including dedicated pedal inputs and audio outputs.
Context
Positioned as a larger-keyboard variant of the MR61, the MR76 shared the same core sound engine and feature set but expanded accessibility for pianists and performers preferring a wider range. It entered the market during a peak era for sample-based workstations, offering competitive polyphony and a diverse sound library.
Market
Recent listings show used units priced between $500 and $895, with some sold fully serviced. Known issues include failure to power on (displaying black squares) and loss of MIDI connectivity. User and service manuals are reportedly unavailable.
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