Opto Ringer

YouTube Uploaded by Ebotronix on Sep 15, 2011

"Two Make Noise Wogglebug's Random Gate Burst to
QMMG & Optomix
Panning by Doepfer A 134 Bipolar cv by Moog MP201
Filter Analogue Systems RS 110 bp
Vco's Wiard 2x AO 4x Uncle 2x FreqBox
cv by A 149 Toppobrillo Quantimator
Master Clock Logic -Kenton Pro2000 II - 4ms RCD & A 160"

KENT K-2200 Rhythm System

via this auction

"The K-2200 is a unique 70's rhythm box because it has a decay knob, which sounds especially nice on the kick drum. This Kent is extra special because it was modified (by Switched On Music Electronics) with trigger inputs for the different sounds. Mated with a modular synthesizer, you get nine vintage drum sounds accessible via patch cables. Triggering at audio rate is especially interesting."

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K85 KENT RHYTHM DRUM MACHINE

via this auction

"VINTAGE KENT MODEL K85 RHYTHM/DRUM MACHINE. IT HAS A VOLUME AND TEMPO KNOB.IT HAS SLOW ROCK,LATIN,ROCK-N-ROLL,FOXTROT,AND WALTZ SETTINGS WITH ADJUSTABLE TEMPO FOR ALL.THERE IS AN OUTPUT AND PEDAL 1/4 INCH JACK IN THE REAR.HOUSED IN A WOODEN BOX ENCLOSURE."

Kent Rhythm Master Drum Machine Synthesizer K-110

via this auction

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KENT K-220

Title link takes you to images pulled via this auction.

Anyone know more about these in general? The auction claims this to be vintage analog. These old rhythm boxes fascinate me as the sound and analog synth technology is there producing sound, yet the target audience for these were totally different than that of the pro synth market, or was it?