Vintage Analog TAMA Percussion Synthesizer Snyper DS-2000

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via this auction

"I bought these years ago from somebody who claimed these belonged to Billy Cobham. It makes sense as he is a Tama endorser. When I asked Billy about these units, he had no recollection of them.
It appears intended to use with drum-mounted pickups. However i was able to experiment & clock it with a Doepfer Shaltwerk, Roland TR-606 & new Roland TB-03.

2 channel 2-VCO (voltage-controlled Oscillators)
3 presets with the following front-panel controls:
- Sensitivity
- VCO I
* Tune
* Fine Tune
* Waveform (Triangle, Sine, Square)
VCO 2
(Same as VCO I)
VCO Sweep
* Time
* Range
* Up/Off/Down
* I/I&2/2
VCO Vibrate
* Rate
* Range
* Square/Off/Triangle
* I/I&2/2
VCF (Voltage Controlled Filter)
* Tune
* Sweep Time
* Sweep Range
* VCF ON/Bypass
* Up/Off/Down
VCA (Voltage Controlled Amplifier)
* Decay Time
* Mix Level
* VCO I/1&2/VCO 2
* Noise/Ring Modulation

There's a pickup selector for triggering the channels

phones & master volume controls.

REAR PANEL (from pickup)
INPUT
- channel 1
- channel 2
PICKUP BUFFER OUTPUT
- channel 1
- channel 2
OUTPUT
- unbalanced 1,2, master
- balanced 1,2,master
CONNECTOR (believe you could daisychain this with another unit)
- 1 (To slave percussion synthesizer)
- 2 (from master percussion synthesizer or remote foot switch)

CABLING
3 pickups + rca-1/4" interface cable + drum adapter clip
1 additional pickup
1 long (25ft?) Connector cable
1 short (2ft?) Connector cable
1 footswitch (preset selector)
2 1/4" mono cables"