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via this auction
"Korg Polysix Kiwisix DeLuxe 'Black Widow' heavily customized:
- MIDI kit Kiwitechnics Kiwisix installed
- Synthgraphics overlay very limited 'electric blue' edition for Kiwisix
- Reverse keys
- Custom solid oak woodcase lacquered in black
- New ultrasilent toroidal transformer (primary)
- New Kiwitechnis power supply (secondary)
- 19 new push switches
- Electronics and key contacs completely overhauled
- Simultaneous waveforms mod (can be reversed under request)"
Sunday, June 23, 2019
Access Virus Indigo Virtual Analog Synthesizer SN G10001622
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via this auction
"Access Virus Indigo Virtual Analog Synthesizer. This piece is in very good condition. New battery in May of 2019 and new display in 2015 by Electronic Innovations of St. Clair Shores, MI, USA."
via this auction
"Access Virus Indigo Virtual Analog Synthesizer. This piece is in very good condition. New battery in May of 2019 and new display in 2015 by Electronic Innovations of St. Clair Shores, MI, USA."
RC CIRCUIT BENT 'BRAINWAVES' RANDOM GLITCH SOUND GENERATOR TOUCH NOISE SYNTH
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Published on Jun 22, 2019 ResonanceCircuits
via this auction
"BrainWaves:
A bespoke, touch based random sound generator capable of evolving glitch sequencers, sonorous drones, static noise cascades, 8bit bleeps and harsh industrial tones.
CONTROLS
on/off power switch
indicator led
2 x 'wave' body contact touch plates - manipulate the sound generated through touch, the sound generated depends on:
- if both plates are touched
- the amount of skin in contact with the plate/s
- different positions touched on the waves
1/4" jack output
powered by 9v DC input (negative centre polarity)
power supply not included
Custom circuit and design by ResonanceCircuits"
Published on Jun 22, 2019 ResonanceCircuits
via this auction

A bespoke, touch based random sound generator capable of evolving glitch sequencers, sonorous drones, static noise cascades, 8bit bleeps and harsh industrial tones.
CONTROLS
on/off power switch
indicator led
2 x 'wave' body contact touch plates - manipulate the sound generated through touch, the sound generated depends on:
- if both plates are touched
- the amount of skin in contact with the plate/s
- different positions touched on the waves
1/4" jack output
powered by 9v DC input (negative centre polarity)
power supply not included
Custom circuit and design by ResonanceCircuits"
LABELS/MORE:
Auctions,
New,
New in 2019,
New Sound Machines,
New Sound Machines in 2019,
Resonance Circuits
TTSH SYNTH KIT V1
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"TTSH SYNTH KIT V1, the original Arp 2600 clone... Contains main pcb, front panel, daughter boards but also the Thonk rare parts kit and the much reccomended Gatebooster Mod PCB as a bonus :)"
via this auction
"TTSH SYNTH KIT V1, the original Arp 2600 clone... Contains main pcb, front panel, daughter boards but also the Thonk rare parts kit and the much reccomended Gatebooster Mod PCB as a bonus :)"
GOLT! RLD Sequencer Built
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via this auction
"The GOLT! RED LIGHT DISTRICT (RLD) is an 84HP traditional CV/Gate Sequencer, and easily one of the most impressive DIY sequencers on the market. It xan be synchronised at different ratios to MIDI clock. Its main purpose is to create patterns that are in-time and length-related to MIDI clock. It can act as a MIDI Master using its own internal clock as a reference, or an external clock input. When slaved to MIDI, the MIDI OUT's automatically switch to THRU’s and the second MIDI OUT/THRU can also to emit DinSync. The sync ratio can be changed so that each pattern of 16 or 32 steps can take either 1, 2 or 4 MIDI bars to complete. Mode changes are quantised to the start of each pattern so synchronisation is maintained with other sequencers."
via this auction
"The GOLT! RED LIGHT DISTRICT (RLD) is an 84HP traditional CV/Gate Sequencer, and easily one of the most impressive DIY sequencers on the market. It xan be synchronised at different ratios to MIDI clock. Its main purpose is to create patterns that are in-time and length-related to MIDI clock. It can act as a MIDI Master using its own internal clock as a reference, or an external clock input. When slaved to MIDI, the MIDI OUT's automatically switch to THRU’s and the second MIDI OUT/THRU can also to emit DinSync. The sync ratio can be changed so that each pattern of 16 or 32 steps can take either 1, 2 or 4 MIDI bars to complete. Mode changes are quantised to the start of each pattern so synchronisation is maintained with other sequencers."
Orange Model Elta Music Polivoks-M
Vintage Moog Minimoog Model D SN T2687F w/ Old Oscillator Boards
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via this auction
"Moog Minimoog Model D, probably from 1972-73, serial number T2687F. It has the so called OLD OSC board, and despite it is a Moog Music Inc. version from the Norlin/CBS era, the boards still have the R.A. Moog company name written on them. New custom wood case. Just serviced and 100% working."
The seller also has a newer oscillator board Minimoog from the late 70s listed here. Pics captured further below.
via this auction
"Moog Minimoog Model D, probably from 1972-73, serial number T2687F. It has the so called OLD OSC board, and despite it is a Moog Music Inc. version from the Norlin/CBS era, the boards still have the R.A. Moog company name written on them. New custom wood case. Just serviced and 100% working."
The seller also has a newer oscillator board Minimoog from the late 70s listed here. Pics captured further below.
Sequential Circuits Split-Eight
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via this auction
"Vintage '80s 8 voice programmable polyphonic analogue synthesiser with sawtooth, triangle and wave shape oscillators. The Sequential Split 8 features LFO, PWM, 2 ADSR envelope generators and memory for 64 patches. Made in Japan. This item requires some rework around the CPU and repair of the momentary buttons..."
via this auction
"Vintage '80s 8 voice programmable polyphonic analogue synthesiser with sawtooth, triangle and wave shape oscillators. The Sequential Split 8 features LFO, PWM, 2 ADSR envelope generators and memory for 64 patches. Made in Japan. This item requires some rework around the CPU and repair of the momentary buttons..."
Starkey HSL II (Hearing Science Laboratory)
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via this auction
"Starkey Labs HSL II, originally intended to be a laboratory for hearing sciences, but actually a patcheable synth with 4 oscillators + noise, 3 multimode filters, sequencer, etc. Great for drones and effects like the VCS3. Experiments book included!."
via this auction
"Starkey Labs HSL II, originally intended to be a laboratory for hearing sciences, but actually a patcheable synth with 4 oscillators + noise, 3 multimode filters, sequencer, etc. Great for drones and effects like the VCS3. Experiments book included!."
Kawai S-100P
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via this auction
"Wonderful sounding and playing synthesizer manifactured under licence from ARP.
Stable and deep sound, one of few to respond to aftertouch assignable to many effect parameters as growl, vibrato, brillance, wow and pitch bend (up or down.
It has also other effects as flanger, repeat, portamento and glissando freely assignable to the sounds.
You have also a real spring reverb onboard: try knocking on the synthesizer while playing, you will hear the springs...springing!;)
Other than that you get 32 preset sounds and you can also tweak and create your personal sound with the left panel controls."
via this auction

Stable and deep sound, one of few to respond to aftertouch assignable to many effect parameters as growl, vibrato, brillance, wow and pitch bend (up or down.
It has also other effects as flanger, repeat, portamento and glissando freely assignable to the sounds.
You have also a real spring reverb onboard: try knocking on the synthesizer while playing, you will hear the springs...springing!;)
Other than that you get 32 preset sounds and you can also tweak and create your personal sound with the left panel controls."
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© Matrixsynth - All posts are presented here for informative, historical and educative purposes as applicable within fair use.
MATRIXSYNTH is supported by affiliate links that use cookies to track clickthroughs and sales. See the privacy policy for details.
MATRIXSYNTH - EVERYTHING SYNTH