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Oberheim Polyphonic Eight Voice EVS-1

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    Description
    The Oberheim polyphonic Eight Voice EVS-1 is an analog music synthesizer that was produced from 1975 to 1979 by Oberheim Electronics. It was developed by Tom Oberheim, and was the first production synthesizer capable of playing chords.

    Oberheim took the idea and electronics of a Minimoog synthesizer and put them in a small box, making a few changes, and produced his SEM (synthesizer expansion module), the building block of his polyphonic synths. By strapping two, four, or eight of these SEMs together under keyboard control, he was able to create practical, albeit large, synthesizers that could play two, four, or eight notes simultaneously. Thus the Oberheim polyphonic was born. Each SEM in an Oberheim polyphonic defines one voice (or note) being played in a chord. In addition to multiple voices, on an Oberheim polyphonic you could save settings for sounds you created with a preset programmer (four and eight voice models) and you could glide from one note or chord to another using portamento.

    The Oberheim polyphonic was later outdated by a new line of Oberheim synthesizers and Sequential Circuits synths that used more integrated circuits and also some digital embedded microprocessor control; these were less heavy and much smaller than the Oberheim polyphonic. Despite their maintenance cost and rarity, Oberheim polyphonic synthesizers are still adored by many musicians today for their unparalled sonic 'thickness' and 'depth' caused in part by the random variance between each SEM module.
    Images
    Architecture
    Type: Analog
    Synthesis: Subtractive
    Oscillators
    Oscillators: 16
    Waveforms: Square, Triangle
    Envelopes
    Envelopes: 16
    Evelope Paramerters: Attack, Decay, Release
    Filters
    Filters: 8
    Types: 12dB Slope (2-pole), Band Pass, High Pass, Low Pass, Notch, Resonance
    LFO
    LFO: 8
    LFO Parameters: Triangle
    Polyphony & Tuning
    Polyphony: 8
    Timbrality: 8
    Tuning: Standard
    Patches
    Patches RAM: 16
    Storage: Internal
    Editing: CV
    Case
    Case: Keyboard
    Keyboard: 49 keys, 61 keys, Non-weighted, Plastic
    Controls: Buttons, Pedal - Filter, Knobs, Mod - Wheel, Modulation 1/8" Jacks, Pitch - Lever, Pedal - Sustain, Switches
    Connections
    Audio Output Connections: 1/4" Phone Jack, Mono Out
    CV Ports: CV IN, CV OUT, Gate In, Gate Out
    Production
    Year Released: 1977
    Manuals & Documents
    Reviews
    Pricing
    MSRP List Price: $7790 - convert
    Retail Street Price: $7000 - convert
    Shopping
    YouTube Videos
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