Ensoniq EPS (1988–1991)

A 13-bit sampling keyboard that succeeded the Mirage, offering and full MIDI implementation.

Overview

The Ensoniq EPS is a digital sampling synthesizer released in 1988, designed as a performance-oriented sampler and the successor to the Ensoniq Mirage. It features , with internal processing at 24-bit resolution despite using 13-bit sample resolution. The unit boots with the message "ENS ONIQ EPS-16 PLUS" followed by "PLEASE INSERT DISK", indicating its reliance on floppy disk storage for sample loading. It includes MIDI In, Out, and Through ports for full integration into studio setups.

Specifications

Production years	1988–1991
Original price	$1995 (keyboard)
Sampling resolution	13-bit
Internal processing	24-bit resolution
MIDI	In, Out, Through
Weight	29 pounds (13 kilograms)

Design

The Ensoniq EPS is a 13-bit digital sampling synthesizer with all internal processing handled at 24-bit resolution. It displays "ENS ONIQ EPS-16 PLUS" and "PLEASE INSERT DISK" on startup, indicating its boot sequence and dependency on external floppy disk storage. The unit supports polyphonic aftertouch and was engineered to provide enhanced sampling capabilities over its predecessor, the Mirage.

Context

The EPS replaced the Ensoniq Mirage, widely regarded as the first affordable sampling keyboard, positioning itself as a more advanced performance sampler. It was part of Ensoniq's push into professional sampling instruments before the release of the 16-bit EPS-16 Plus.

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