Bias BS-1

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    The Bias BS-1 analog percussion synthesizer can be attached to the side of a snare drum, Tom Tom or any other drum or percussive surface. It has a single VCO with a sweep range knob and an LFO.It has a built in sensor that picks up the vibration of the acoustic drum. It can enhance an acoustic drum set with analog synthesis.

    In addition to it's built in sensor the BS-1 can be triggered from a foot switch or an external source. It is a fully analog drum synthesizer with just a 9 volt battery.

    Control Panel Layout::


    controls the output volume


    controls the sensitivity of the module (the threshold at which it is triggered)


    controls the speed/rate of the LFO wave that controls the pitch


    controls the length of the sound


    controls the depth of the LFO wave that controls the pitch


    controls the pitch of the Oscillator


    controls the range in which the oscillator sweeps

    2 x Foot switch/trigger inputs

    Audio out

    Type: Analog
    Synthesis: Subtractive
    Sounds Per Pad
    Sounds Per Pad: 1
    Sources: Synthesizer
    Polyphony & Tuning
    Polyphony: 1
    Modes: Mono
    Patterns User: 1
    Case: Desktop
    Controls: Audio Input, Knobs, Modulation 1/4" Jacks
    MIDI / Sync / Trigger
    Audio Outputs: 1/4" Phone Jack, Mono Out
    Audio Output Count: 1
    Inputs: 2 x 1/4"
    CV Ports: Trigger In
    Power: 9 Volt
    Released: 1980
    Manuals & Documents

    YouTube Videos
    References & Sources

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