Saturday, June 24, 2023
Korg Polysix w Kiwisix MIDI Meticulously Refurbished by Professionals
video upload by tonetweakers
"Here’s the meticulously refurbished fine ass Korg Polysix with kiwisix midi we just sold. We’ve got another we can prepare for you too - email us! Everyones sweatin the Roland Juno-60 and Juno-106 but my iPhone autocorrects juno to junk cause it knows the Polysix is where it’s at. Comment below if you’re a p6 lover. Buy meticulously serviced vintage synths at tonetweakers.com and please sign up for our newsletter for inventory updates! Thanks for watching!"
Tone Tweakers on Reverb | Tone Tweakers on Ebay
VEB Automatisierungsanlagen Cottbus Tiracon 6V [GDR, 1987]
Note: Auction links are affiliate links for which the site may be compensated.
via this auction
Pics of the inside below.
"Made in 1987 in Cottbus, former East Germany. Most likely based on Korg Poly-61 with some extras. Equipped with a fully functional MIDI system (in/out/thru(!)), a simple sequencer, chord memory, patch transfer function via tape interface and a rather unuseful Autotune function, which just freezes the synth (nothing bad happens, just turn it off and on).
Typical analog-poly sound combined with total rawness and uniqueness. Surprisingly quiet, less noisy than most of my gear. Keeps in tune, although hadn't been tuned by me and in years and years generally, so there might be a tiny repetitive difference between tones. But that definitely gives it some character anyway."
via this auction
Pics of the inside below.
"Made in 1987 in Cottbus, former East Germany. Most likely based on Korg Poly-61 with some extras. Equipped with a fully functional MIDI system (in/out/thru(!)), a simple sequencer, chord memory, patch transfer function via tape interface and a rather unuseful Autotune function, which just freezes the synth (nothing bad happens, just turn it off and on).
Typical analog-poly sound combined with total rawness and uniqueness. Surprisingly quiet, less noisy than most of my gear. Keeps in tune, although hadn't been tuned by me and in years and years generally, so there might be a tiny repetitive difference between tones. But that definitely gives it some character anyway."
Yamaha CS-80 with the ULTIMATE UPGRADE
Note: Auction links are affiliate links for which the site may be compensated.
via this auction
"Welcome to the very best Yamaha CS-80 to ever be available for sale. The very best in terms of electronic condition/calibration and capability, and certainly the one with the longest life expectancy you can find. A life expectancy longer by some decades from the other not-upgraded 'regular' CS-80s you will find around.
Why is that ? Because not only has it been fully serviced but also it has the most advanced and thorough upgrade ever to be installed in a CS-80. And very possibly never to be matched in the near nor distant future.
via this auction
"Welcome to the very best Yamaha CS-80 to ever be available for sale. The very best in terms of electronic condition/calibration and capability, and certainly the one with the longest life expectancy you can find. A life expectancy longer by some decades from the other not-upgraded 'regular' CS-80s you will find around.
Why is that ? Because not only has it been fully serviced but also it has the most advanced and thorough upgrade ever to be installed in a CS-80. And very possibly never to be matched in the near nor distant future.
Vintage ARP 2600 w/ 3620 Keyboard
Roland Juno-106 with KIWI Mod & Metal Side Panels SN 480021
Note: Auction links are affiliate links for which the site may be compensated.
via this auction
"KIWI gives you modern features in a vintage synth. The sound engine stays intact (oscillators, filters etc.), but the digital board is replaced with a totally new one. The functions you get (among others) are:
- 512 patches (as opposed to 128)
- Bend controls stored in a patch
- Two independent envelope generators
- Two independent LFO's
- Aftertouch via MIDI!
- Chord Mode
- Sophisticated Arpeggiator & Sequencer
- Pattern Generator
...any many others!"
via this auction
"KIWI gives you modern features in a vintage synth. The sound engine stays intact (oscillators, filters etc.), but the digital board is replaced with a totally new one. The functions you get (among others) are:
- 512 patches (as opposed to 128)
- Bend controls stored in a patch
- Two independent envelope generators
- Two independent LFO's
- Aftertouch via MIDI!
- Chord Mode
- Sophisticated Arpeggiator & Sequencer
- Pattern Generator
...any many others!"
Waldorf Microwave XT Rackmount Wavetable Synthesizer
Yamaha TF1 Modules for Yamaha TX-816 Rack Synthesizer
Korg DSM-1 Rackmount Digital Sampling Synthesizer SN 000550
TAMA TECHSTAR TS305 Analog Drum Synthesizer SN 200873
Jomox Alpha Base Analog Drum Synthesizer SN 2021-720
Note: Auction links are affiliate links for which the site may be compensated.
via this auction
"JOMOX ALPHA BASE in Excellent shape. Includes SD Card, power supply, USB cord.
The Jomox Alpha Base is essentially a drum machine containing most of Jomox’s products. The unit was designed with simplicity in mind, and as such provides a quick and efficient workflow that most users should quickly understand. Internally, the Alpha Base consists of eleven drum synthesis instruments, affording a broad and effective sonic palette. As Jomox themselves state, this is the most versatile drum machine in their arsenal.
ALPHA BASE FEATURES
11 Instruments: Kick, MBrane, Hat, Clap, Rim Shot, Crash, Ride, XSample1 XSample2, FM synth
Real analog Jomox kick drum
Real analog Jomox MBrane voice
2 coupleable F-OSC for complex analog snare, percussion, bass and tom sounds ranging from 16Hz to 20kHz
2 sample based instruments with analog VCA ADSR envelope and/or HH filter
4 sample based instruments with analog VCA ADSR envelope and/or resonating multimode filter
2 sample based instruments with external sampling input and pure digital playback.
1 FM synth with 4 operators and max. 6 voices for percussive sounds.
Effects delay, reverb with send per instrument
LFOs: per instrument one LFO (MBrane 2 LFOs) with 64 wave forms
250 samples 16 Bit/48kHz in internal flash memory.
SD card slot for loading of samples."
via this auction

The Jomox Alpha Base is essentially a drum machine containing most of Jomox’s products. The unit was designed with simplicity in mind, and as such provides a quick and efficient workflow that most users should quickly understand. Internally, the Alpha Base consists of eleven drum synthesis instruments, affording a broad and effective sonic palette. As Jomox themselves state, this is the most versatile drum machine in their arsenal.
ALPHA BASE FEATURES
11 Instruments: Kick, MBrane, Hat, Clap, Rim Shot, Crash, Ride, XSample1 XSample2, FM synth
Real analog Jomox kick drum
Real analog Jomox MBrane voice
2 coupleable F-OSC for complex analog snare, percussion, bass and tom sounds ranging from 16Hz to 20kHz
2 sample based instruments with analog VCA ADSR envelope and/or HH filter
4 sample based instruments with analog VCA ADSR envelope and/or resonating multimode filter
2 sample based instruments with external sampling input and pure digital playback.
1 FM synth with 4 operators and max. 6 voices for percussive sounds.
Effects delay, reverb with send per instrument
LFOs: per instrument one LFO (MBrane 2 LFOs) with 64 wave forms
250 samples 16 Bit/48kHz in internal flash memory.
SD card slot for loading of samples."
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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