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Ensonic Performance Sampler

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    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.
    Type: Digital
    Synthesis: Sampling, Subtractive, Wave Table
    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: 1
    Evelope Paramerters: Delay, Attack, Decay, Sustain, Sustain Level, Release, Rate 1, Level 1, Looping, Offset, Slope
    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: 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 RAM: 8
    Multipatches RAM: 8
    Storage: Tape, Hard Drive
    Editing: DIN, SCSI
    8 tracks with 80,000 events
    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
    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
    Year Released: 1988
    Year Discontinued: 1991
    Manuals & Documents

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