Ensoniq

EPS

Sampler, Sequencer

Main Details
Maker Ensoniq Company
Function
Channels/Tracks
  • 8 × Voice
Form Factor Keyboard
Signal Path Digital Hardware (including Analog Connections)
Made In Malvern, Pennsylvania, USA
Date Produced 1988-
Weight 13 kg
Notes Polyphony - 12 voices at 52 kHz.
16 voices at 39 kHz.
20 voices at 31.2 kHz.
Multitimbral - 8 parts.
Sampler - Mono 13-Bit A/D input, 16-bit D/A stereo output. Variable sample rates from 52kHz to 6.25kHz; Sample-time: 5 seconds (52kHz) to 41 seconds (6.25kHz).
Filter - Independent dynamic digital filter per wavesample, multi-mode digital low pass or variable-width band-pass with many slopes
VCA - 6-stage envelope including envelope preset templates
Sequencer - 8 tracks with separate instrument, volume, and MIDI channel. 80,000 notes limit.
Keyboard - 61 keys (velocity and aftertouch)
Memory - 512 Kb (480 Kb to be exact) internal (expandable to 896 Kb w/ 2x expander, 2.1 Mb w/ 4x expander)
Control - MIDI, Disk Drive (800K double-sided 3.5" micro-floppy), SCSI (w/ 4x+SCSI expander)
Weight - 29 pounds (13 kilograms)
Date Produced - 1988

The EPS uses MIDI and can be used as a controller of other instruments, or linked to a PC or Macintosh.
The EPS was eventually superseded by the EPS 16+ which upgraded the sample-size to 16-bits and added a 24-bit effects system. Other improvements included CD-ROM support in the optional SCSI interface and FlashBank storage for the OS and favourite sounds.
The EPS and EPS 16+ were both succeeded by the Ensoniq ASR-10 which was able to read EPS samples and disks.

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