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Stepp DG-1 Guitar Synthesizer

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    Description
    In 1986 the Stepp DG-1 Guitar Synthesizer was introduced at the 1986 NAMM show. The MSRP was $7,000 but it was also considered among the first of it's type of Guitar Synthesizers and it has MIDI control as well.

    The DG-1 features 12 oscillators that are digitally controlled VCO's. 2 for each of the 6 strings on a guitar. This allowed for greater polyphony and tracking since each string had it's own oscillator. The DG-1 is a self contained synthesizer within the guitar controller itself while at the same time offer MIDI control of external synthesizers. Its synthesis engine is technically an Oberheim Expander using SSM and CEM chips.
    Images
    Architecture
    Type: Analog, Digital
    Synthesis: Subtractive
    Oscillators
    Oscillators: 2
    Waveforms: Square, Triangle
    Osc Modulation: Continuous Controller
    Oscillator Notes:
    +Guitar Synthesizer Controller
    Envelopes
    Envelopes: 4
    Evelope Paramerters: Delay, Attack, Decay, Sustain, Release
    Filters
    Filters: 2
    Types: 6dB Slope, 12dB Slope (2-pole), 18dB Slope, 24dB Slope (4-pole), Band Pass, High Pass, Low Pass, Notch, Phase Warp , Resonance
    LFO
    LFO: 5
    LFO Parameters: Noise, Sample & Hold, Saw Up, Saw Down, Square, Triangle, Clocked, Delay
    Polyphony & Tuning
    Polyphony: 12
    Timbrality: 6
    Tuning: Standard
    Modes: Mono, Polyphonic
    Patches
    Patches RAM: 1
    Storage: Internal
    Case
    Case: Pedal
    Case Details: +Guitar Synthesizer Controller
    Controls: Buttons, Knobs, Switches
    Display Type: LED, Numeric
    Connections
    Audio Output Connections: 1/4" Phone Jack, XLR, Mono Out, Stereo Headphone
    Audio Output Count: 4
    MIDI Ports: IN, OUT, THRU
    Production
    Year Released: 1986
    Year Discontinued: 1988
    Manuals & Documents
    Pricing
    MSRP List Price: $7,000 - convert
    Used Price: $1,099 - convert
    Shopping
    YouTube Videos
    References & Sources
    Related Synthesizers
    Xpander (1984)
    GR-33B (1982)
    GR-09 (1994)
    GR-1 (1992)
    GR-20 (2004)
    GR-30 (1998)
    GR-300 (1980)
    GR-33 (2001)
    GR-50 (1988)
    GR-500 (1977)
    GR-700 (1984)
    GR-77B (1986)


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