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Ensonic Performance Sampler

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Description
The EPS was easy to use, with controls for playing it live. Featured two processors, it could load and play eight instruments simultaneously with another eight ready to go in memory. It's OS ran off a floppy disk or or optional SCSI drive. The display was the familiar Ensoniq 22 character single line vacuum fluorescent display already aborad the ESQ-1 and SQ-80 synths of the time.

The EPS came with 256 Kwords of RAM on board. Ensoniq offered both a 2x (512Kword) Memory Expander and a 4x (1Mword) Memory Expander with SCSI interface. A company called Maartists offered both 4x and 8x memory expanders, allowing a total of 2Mwords RAM. Extra RAM allowed for longer and higher quality samples. The "2x" expander contained three 4x256Kbit and one 1x256Kbit chips, for a total of 13x256Kbits in addition to the onboard memory. It also had a 13-bit sample memory wordlength.

The EPS used double-sided double-density 3.5" disks, formatted to 800k with ten 512-byte sectors per track. It could also read (but not write) Ensoniq Mirage sample disks.

The EPS could be used a MIDI controller with more extensive control. The EPS 16+ came later 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.
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Technical Specifications
Type: Digital
Synthesis: Sampling, Subtractive, Wave Table
Oscillators
Oscillators: 8
Waveforms: Pulse, Saw Down, Saw Up, Sine, Square, Triangle, Wave Table, White Noise
Osc Modulation: After Touch, Continuous Controller, Envelope, Keyboard, LFO, Mod Wheel, Oscillator, Pedal, Pitch Wheel, Glide / Portamento, Velocity
Sampling: 12 bit, 32 bit, 11.025 kHz, 32 kHz, Loop, One Shot (Phrase), Multi-Sample
Sampling Notes:
Technicallyt the EPS could sample from: 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).
Envelopes
Envelopes: 1
Evelope Paramerters: Delay, Attack, Decay, Sustain, Sustain Level, Release, Rate 1, Level 1, Looping, Offset, Slope
Filters
Filters: 1
Types: Band Pass, Low Pass, Resonance
Filter Modulation: Breath Controller, Envelope, Keyboard, LFO, Mod Wheel, Oscillator, Pedal, Pitch Wheel, Portamento
Filter Notes:
Independent dynamic digital filter per wavesample, multi-mode digital low pass or variable-width band-pass with many slopes
LFO
LFO: 1
LFO Parameters: Noise, Sample & Hold, Saw Up, Saw Down, Sine, Square, Triangle, Delay, Freerun, Key Sync
Polyphony & Tuning
Polyphony: 20
Timbrality: 8
Tuning: Atonal, Micro, Standard
Patches
Patches RAM: 8
Multipatches RAM: 8
Storage: Tape, Hard Drive
Editing: DIN, SCSI
Sequencer
8 tracks with 80,000 events
Case
Case: Keyboard
Case Details: 61
Keyboard: 61 keys
Controls: Aftertouch, Modulation - Audio Input, Pedal - Filter, Mod - Wheel, Modulation 1/8" Jacks, Pedal - Patch Change, Pitch -Wheel, Pedal - Sustain, Velocity, Pedal - Volume
Display Notes: 22 character single line fluorescent display
Connections
Audio Output Connections: 1/4" Phone Jack, Stereo Main
Audio Output Count: 2
Audio Output Notes: 1/4" stereo out, left out doubles for headphone jack
Inputs: 1/4" input
MIDI Ports: IN, OUT, THRU
Control Features: Unique to Ensoniq synths was the part select buttons which could be latched and assigned to controllers and functions
Production
Year Released: 1988
Year Discontinued: 1991
Manuals & Documents

Product Links
Company Product Sites:
[+] en.wikipedia.org
Pricing
MSRP List Price: 1995 - convert
Used Price: $340-$425 - convert
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