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Electronic Music Labratories ElectroComp 400/401 Sequential Synthesizer

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    Description
    In 1970 EML released the venerable 400/401 Sequential Synthesizer. A portable synth and sequencer combination.

    The synthesizer section is a dual VCO instrument offering only saw, square, and, noise waveforms. A multimode VCF helped shape the sound with low pass, high pass, and bandpass filtering. An envelope generator is also available with attack and release only. The unit is a semi modular monophonic instrument with a patch panel.

    The accompanying 400 module is a 12 tone diatonic analog sequencer with a digitally controlled quantizer aboard. Allowing for a variable number of steps-per-octave nearly unheard of for it's day. It benefited the user who liked to explore alternate tunings and microtonal tuning. To top it off the 4000 also had voltage controlled envelope generators in 16 stages.
    Images
    Architecture
    Type: Analog
    Synthesis: Subtractive
    Oscillators
    Oscillators: 2
    Waveforms: Pink Noise, Saw Down, Saw Up, Square, White Noise
    Osc Modulation: Envelope, Input, Keyboard, Knob, LFO, Portamento, Ring Modulation
    Envelopes
    Envelopes: 1
    Evelope Paramerters: Attack, Release
    Filters
    Filters: 1
    Types: Band Pass, High Pass, Low Pass, Resonance
    Filter Modulation: Envelope, Input, LFO, Sequencer
    LFO
    LFO: 1
    LFO Parameters: Noise, Sample & Hold, Saw Up, Saw Down, Sine, Square, Triangle
    Polyphony & Tuning
    Polyphony: 1
    Tuning: Atonal, Micro, Standard
    Patches
    Patches RAM: 1
    Editing: CV
    Sequencer
    12 tone diatonic with voltage controlled envelopes up to 16 stages
    Case
    Case: Module
    Case Details: Portable suitcase synth and sequencer with wooden casing and carry handle
    Controls: Audio Input, Buttons, Faders, Knobs, Sequencer, Switches
    Display Type: LED
    Connections
    Audio Output Connections: 1/4" Phone Jack, Mono Out
    Audio Output Count: 1
    CV Ports: CV IN, CV OUT, Gate In, Gate Out
    Power: 120V AC
    Production
    Released: 1970
    Discontinued: 1984
    Units Made: 300
    Manuals & Documents

    Product Links
    Company Product Sites:
    [+] en.wikipedia.org
    Reviews

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