Note: links to listings are affiliate links for which the site may be compensated.
via this auction
- 1987 Oberheim Matrix-12 12-Voice Analog Synthesizer
- Rare Amazing Sounding Synth, Fully Serviced, Working Perfectly
- Was Stored in Road Case That Gunked Up the Side Panels… It Has Been Fully Cleaned & Serviced Internally, Though Outside Displays Oxidation
- Sounds Amazing, Cosmetically Fair+
Sunday, November 14, 2021
Rhodes Chroma 8 voice polyphonic analog beast with JL Cooper Chromaface MIDI
Note: links to listings are affiliate links for which the site may be compensated.
via this auction
Pics of the inside below.
"Rhodes Chroma just serviced, in excellent shape and working fine. Polyphonic analog beast with 8 voices: 8x CEM3350 Dual VCF, 8x CEM3360 Dual VCA and 16x VCOs similar to those in the Moog Minimoog Model D (OLD OSC version). JL Cooper Chromaface midi interface included."
via this auction
Pics of the inside below.
"Rhodes Chroma just serviced, in excellent shape and working fine. Polyphonic analog beast with 8 voices: 8x CEM3350 Dual VCF, 8x CEM3360 Dual VCA and 16x VCOs similar to those in the Moog Minimoog Model D (OLD OSC version). JL Cooper Chromaface midi interface included."
Yamaha CS-60
Note: links to listings are affiliate links for which the site may be compensated.
video upload by Orange Bunker
via this auction
"Very well preserved Yamaha CS-60. All parts are original. I bought it in this condition 3 years ago. Seldom used. Kept in a smoke-free studio with the lid on all the time.
This unit is complete and working very fine except for the following:
1) A voice goes off most of the time. From my research and a question to a technician that might mean that an oscillator chip on a card (of the 4th or 5th voice) needs to be tightened or replaced.
2) The ribbon strip needs to be repaired or replaced
3) The music stand is absent
4) Two original small thumbscrews of the back legs are missing.
5) The ground prong of the original and in excellent condition ac cord was removed
record a video for YouTube to see it working
Due to the political situation in my country, we do not ship to the USA, Canada or Mexico because it is excessively expensive."
video upload by Orange Bunker
via this auction
This unit is complete and working very fine except for the following:
1) A voice goes off most of the time. From my research and a question to a technician that might mean that an oscillator chip on a card (of the 4th or 5th voice) needs to be tightened or replaced.
2) The ribbon strip needs to be repaired or replaced
3) The music stand is absent
4) Two original small thumbscrews of the back legs are missing.
5) The ground prong of the original and in excellent condition ac cord was removed
record a video for YouTube to see it working
Due to the political situation in my country, we do not ship to the USA, Canada or Mexico because it is excessively expensive."
ARP Sequencer Model 1613
Note: links to listings are affiliate links for which the site may be compensated.
via this auction
"This ARP 1613 sequencer is just back from SynthChaser, where it was given a full inspection. He replaced all of the sliders with brand new ones, cleaned the entire thing, replaced capacitors in the power supply, and two faulty timing chips that had failed. It was then calibrated and sent back good as new. It was given a clean bill of health.
I would rate it a 9.5 out of 10 cosmetically. The only blemish is a single chip in the paint by GATE 1, barely visible in the picture. Other than that, it looks to be well maintained and kept clean for its life of 46 years or so! It works almost magically with hardware synthesizers to make you create sequences you couldn't make any other way than by seeing them on this grid. It can be externally clocked, of course, or used stand alone, sending gates/triggers out. All buttons, sliders, and switches work without issue.
This is THE machine to couple with an ARP 2600, ARP Odyssey, or any modular synth where you need an extra "Hand" as the advertisement read. Works perfectly with Eurorack as well. There are 16 steps for voltage via the sliders, 3 gate outputs per step, and it can be set to play 2x 8 step sequences in Forward or Random modes. It even works at audio rate to waveshape your own creation. When you use SKIP mode, you can come up with all sorts of odd time signatures.
These are rare. I've only seen this one in my 30+ years of hunting synthesizers. It is priced to sell!"
via this auction
I would rate it a 9.5 out of 10 cosmetically. The only blemish is a single chip in the paint by GATE 1, barely visible in the picture. Other than that, it looks to be well maintained and kept clean for its life of 46 years or so! It works almost magically with hardware synthesizers to make you create sequences you couldn't make any other way than by seeing them on this grid. It can be externally clocked, of course, or used stand alone, sending gates/triggers out. All buttons, sliders, and switches work without issue.
This is THE machine to couple with an ARP 2600, ARP Odyssey, or any modular synth where you need an extra "Hand" as the advertisement read. Works perfectly with Eurorack as well. There are 16 steps for voltage via the sliders, 3 gate outputs per step, and it can be set to play 2x 8 step sequences in Forward or Random modes. It even works at audio rate to waveshape your own creation. When you use SKIP mode, you can come up with all sorts of odd time signatures.
These are rare. I've only seen this one in my 30+ years of hunting synthesizers. It is priced to sell!"
Elta Music Polivoks Filter 2 SN 017
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via this auction
"Gives the ability to run anything through the legendary Soviet Polivoks Filter and LFO. The Polivoks Filter-2, from Elta Music, utilizes the classic Soviet filter chip for a unique filter tone. This model includes original modula- tor (LFO) block from Polivoks Synth. There is a new controller called Wob Fader. It controls Filter Cutoff Freq using CV. Wob Fader has it’s max values on the sides, and minimum CV is at the centre. It can mimics scratching effects. Thanks to four available Filter modes (LP/BP/HP/Notch) device can dramatically change your source signal. Made in Russia"
via this auction
"Gives the ability to run anything through the legendary Soviet Polivoks Filter and LFO. The Polivoks Filter-2, from Elta Music, utilizes the classic Soviet filter chip for a unique filter tone. This model includes original modula- tor (LFO) block from Polivoks Synth. There is a new controller called Wob Fader. It controls Filter Cutoff Freq using CV. Wob Fader has it’s max values on the sides, and minimum CV is at the centre. It can mimics scratching effects. Thanks to four available Filter modes (LP/BP/HP/Notch) device can dramatically change your source signal. Made in Russia"
AVR SYNTH (Jarek Ziembicki) Monophonic Virtual Analog Desktop Synthesizer
Note: links to listings are affiliate links for which the site may be compensated.
via this auction
"AVR SYNTH is a monophonic "virtual analog" synth based, originally, on the Atmel AT90S8535 microcontroller and was designed by Jarek Ziembicki. His aim was to check to see if a simple micro could be used for sound synthesis purposes. And the result? The AT90S8535 managed to do all the tasks: service front panel switches and pots, receive and process MIDI messages, and sound generation!"
via this auction
"AVR SYNTH is a monophonic "virtual analog" synth based, originally, on the Atmel AT90S8535 microcontroller and was designed by Jarek Ziembicki. His aim was to check to see if a simple micro could be used for sound synthesis purposes. And the result? The AT90S8535 managed to do all the tasks: service front panel switches and pots, receive and process MIDI messages, and sound generation!"
Roland SYSTEM-100 w/ Original Box
Roland Jupiter 6 Keyboard Synthesizer SN 343485
Sonicware XFM & Yamaha PSS580 FM Jam - Generic Water Level Music
video upload by ChrisLody
"Apologies for the lack of videos recently. I've started back up as a self employed carpenter and joinery and I've been flat out with work since. I completely underestimated the desire for tradespeople to be honest so it's caught me by surprise!
But today I managed to find time for this jam at least. It was inspired by a question left on one of my much older videos, does the Yamaha Pss-580 (and related models) sync to an incoming clock signal? The answer is actually no, but it does send a clock and will also respond to stop/start signals so there's plenty to work with. It also has a useful midi filter so we can turn off incoming channels, useful here as the XFM is sending 4 channels out.
The XFM is sequencing the Pss-580, but the 580 is sending clock to the XFM meaning we have midi in and out connected on both devices. This has to be set up carefully or midi feedback can occur. I also had to disconnect the input to the XFM when I wanted to record new notes to the sequencer because the midi filter on the 580 seemed to be stopping notes for some reason. Still well worth a jam.
I built this track by programming a single part and then altering it using the transpose function. While it plays it possible to alter the sound in realtime on the Pss580 which is a fun way to experiment with FM sounds. The whole things sounds like generic video game water level music to me :)"
Analog Ambient Session - Ericasynth SYNTRX - Korg MS-20 - Moog LITTLE PHATTY
video upload by gattobus
"Ambient synth jam recorded on the fly on a rainy sunday.
I love the sound of this, I hope you like it too.
EricaSynth SYNTRX: Ambient drone atmo
Moog Little Phatty: Bass
Korg MS-20: Paraphonic Pad
Master reverb: Chase Bliss Audio CXM1978
You can find the tutorial on how to create a paraphonic pad using MS-20 here:" [posted here]
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MATRIXSYNTH - EVERYTHING SYNTH
© 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























