MATRIXSYNTH

Oberheim XPANDER

via this auction
"SPECS:
MODULATION SOURCES
5 LFOs
5 envelopes
3 tracking generator
4 ramp generators
Lag processor
2 pedal inputs
MIDI velocity
MIDI release velocity
MIDI pressure
2 MIDI levers

MODULATION DESTINATIONS
Oscillator 1 frequency, PWM
Oscillator 2 Frequency, PWM
15 VCAs
VCF frequency, resonance
FM gain
Envelope parameters
LFO: Frequency, amount

FILTER MODES
1/2/3/4-pole low-pass
1/2/3-pole high-pass
2- and 4-pole band-pass
2-pole notch
3-pole phase shifter
3-pole phase + 1-pole low-pass
3-pole high-pass + 1-pole low-pass
3-pole notch + 1-pole low-pass
2-pole high-pass + 1-pole low-pass

THE VOICE
2 VCO
1 VCF (15 modes)
15 VCAs (some in software
1 FM generator
1 lag processor
5 digital envelopes
5 digital LFOs
4 ramp generators
1 noise generator"

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DK Synergy synthesizer front panel controls

via this auction

"Here are all three boards that are hiding behind the textured metal front panel of your Synergy."

Gakken SX-150 with Sequencer

via this auction

"You are looking at a circuit bent Gakken sx 150 that come with its own analogue sequencer. The gakken has mods to the filter, envelope shaper and lfo. Both have been modified from ther original design and are sold as such (no bottom panel on the Gakken,thats how you buy it originaly !!) The can be played on its own or with the sequencer running it. The sequencer could also run any other gear that has a cv input or as a voltage source for any circuit bent stuff. Both units have loads more potential for modding and circuit bending"
video here