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Electro Harmonix Mini-Synthesizer EH-400

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    Description
    The Mini Synthesizer EH-0400 manufactured by Electro Harmonix in 1980 has a 25 note membrane keyboard with a built-in speaker and output jack for external output. The instrument has 1 VCO with a pulse waveform, octave divider, and LFO for Pulse-Width-Modulation. It also has a filter and the filter can also be engaged as a phaser effect.The filter can be controlled with sliders for start and stop frequency. There are a total of 7 sliders and 6 witches for sound creation. the unit can be powered by batteries or ac adapter.
    Images
    Architecture
    Type: Analog
    Synthesis: Subtractive
    Oscillators
    Oscillators: 1
    Waveforms: Pulse, Sub Oscillator
    Osc Modulation: Envelope, Keyboard, LFO
    Envelopes
    Envelopes: 1
    Evelope Paramerters: Attack, Release, Monophonic
    Filters
    Filters: 1
    Types: Resonance
    Filter Modulation: Envelope
    LFO
    LFO: 1
    LFO Notes::
    LFO allows for VCO pulse width modulation

    Polyphony & Tuning
    Polyphony: 1
    Tuning: Standard
    Modes: Mono
    Patches
    Patches RAM: 1
    Case
    Case: Keyboard
    Case Details: cardboard membrane keyboard
    Keyboard: 25 keys, Mini-Keys
    Controls: Sliders, Switches
    Connections
    Audio Output Connections: 1/4" Phone Jack, Mono Out
    Audio Output Count: 1
    Power: 9V
    Production
    Year Released: 1980
    Manuals & Documents
    Pricing
    Used Price: $499 - convert
    Shopping
    YouTube Videos
    References & Sources


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