YouTube Uploaded by MrAcidMachine on May 9, 2011
MrAcidMachine on eBay
"Beatie Bop Analog Drum Box / optical theremin."
via this auction
"Beatie Bop Percussion Synthesizer
A handmade and unique Analog Drum Synth and Optical Theremin.
Create cool spacey sounds, bangin' bass drums, ethereal spookiness and more.
It can be triggered by the onboard drum pad, voltage input, or audio input.
Funky analog sounds!!
Now in a slightly smaller, lightweight enclosure.
KNOBS: SENS (Trigger Sensitivity), DECAY, PITCH, SWEEP (variable from sweeping up to sweeping down),
LFO MOD RATE, LFO MOD DEPTH, and VOL. (Initial Volume).
SWITCHES: Oscillator Shape (Square or Triangle), MOD Shape (Square or Triangle), LFO MOD Range (High/Low Speed),
Light Sensor On/Off (to control the Pitch with Light), "LOOP" for LFO to Trigger the Drum at the LFO RATE.
JACKS: Trigger Input (can be voltage or audio), "P" for Pitch (Control Voltage or Expression Pedal Input), "V" for Volume (Control Voltage or Expression Pedal Input, and Audio Output.
Powered on a 9 volt battery or 9v DC adapter."
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