Synthrotek Space Drum Complete DS-8 Clone Analog Drum Synth

Note: Auction links are affiliate links for which the site may be compensated.
via this auction

videos posted here and here.

"Originally designed by Coron in the 1980's for drummers and percussionists to add synth capabilities to their sets, our clone stays true to the DS-8 Drum Synce circuit with a few modifications that expand its capabilities. You don't need to be banging out beats to play around with this awesome synth!

Features:

Amazing analog signal generation! - Wobbly lows, screeching sirens, dive bombs, squeals, and everything in-between. On-board pannable white noise generator puts out snare and hi-hat hits!
Three different ways to play: use a piezo cell to trigger it like a real drum, send a Trigger/Gate pulse (~+5V) from a sequencer/simple timer circuit, or activate the DS-8 Clone with the on-board Manual Trigger momentary switch!
Multiple controls to tailor your sound! Sensitivity sets your input threshold to adjust how hard you need to hit or the minimum voltage level to trigger the circuit. The length of the trigger pulse can be varied from staccato to a lengthy drop-off with the Decay control. Sweep adjusts the variation of the output frequency. The analog LFO (low frequency oscillator) circuitry is controlled by the Mode and Rate. VCO (voltage controlled oscillator) sets a base level frequency to limit your frequency range. Dirty up your signal with the Pan control, which varies the amount of white noise you'll need for snare hits or deep tom rumble. Level controls the volume of the final VCA (voltage controlled amplifier) portion of your circuit.
All potentiometers used for customizing your sound can be mounted on-board to minimize time-consuming wiring.
Tone Control switch allows you to toggle between the two standard noise sources.
CV Input makes the DS-8 Clone even better! Plug in an external LFO generator or use a sequencer to make some hands-free music!
Powering your DS-8 Clone is no problem! Use a 9-15V 100mA+ CENTER NEGATIVE AC Adapter. The 9V battery also can act as a backup power supply that is only engaged when nothing is plugged into the DC Jack.
PLEASE NOTE: The use of any adapter other than a CENTER NEGATIVE adapter will destroy the circuit and void any warranty on this product.
PCB (printed circuit board) measures 6" x 2.0625" and is designed in-house by our very own electronics engineer!"