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via SYNTH CITY Reverb
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"The Quandrantid Swarm is a digital synthesizer that features a percussive element to give it a unique sound. It contains a two-pole analog filter, an LFO with eight waveforms, and a spring reverb. The eight touch keys can be used as a mono keyboard, polyphonic keyboard or an eight-step sequencer. The Quandrantid Swarm has MIDI and CV/Trig connectivity. Its normalized pre-patching allows you start creating immediately, but its semi-modular design allows you to use patch cables to explore the potential of this instrument. Includes original power supply and manual."
Tuesday, October 05, 2021
Roland TB-303 Bassline Synthesizer & TR-606 Drum Modules w/ Extras
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TB-303 SN 219400 via this auction
No longer the property of Bart. If it's indeed the same one. Roland tended to reuse serial numbers on older gear for whatever reason.
"Serviced as of 8/31/21.
Replaced all tact switches. Chassis cleaned, all controls and jacks cleaned."
TR-606 SN 361300 via this auction
TB-303 SN 219400 via this auction
No longer the property of Bart. If it's indeed the same one. Roland tended to reuse serial numbers on older gear for whatever reason.
"Serviced as of 8/31/21.
Replaced all tact switches. Chassis cleaned, all controls and jacks cleaned."
TR-606 SN 361300 via this auction
Sequential Circuits Prophet 5 Rev 3 SN 1321
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via this auction
"New power supply installed. All tantalum capacitors replaced Pots cleaned New key brushes New battery NVRam IC sockets replaced Replaced Logic gates for NVram
The power outlet has always been like that. I forgot to put the screw back in before taking pics. Also I used the worse lighting possible looks a lot cleaner in person."
via this auction
"New power supply installed. All tantalum capacitors replaced Pots cleaned New key brushes New battery NVRam IC sockets replaced Replaced Logic gates for NVram
The power outlet has always been like that. I forgot to put the screw back in before taking pics. Also I used the worse lighting possible looks a lot cleaner in person."
Sequential Prophet-5
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via this auction
Guessing the price is in Australain dollars.
"The new Prophet 5 is Dave Smith’s long-awaited return to world of analogue poly synthesis, embodying everything you loved about the original that changed the world. It’s “the best of all Prophet-5s” as Dave puts it because it embodies all three revisions of the legendary synth — Rev1, Rev2, and Rev3 — through the use of genuine Curtis analog VCOs and filters (as in the Rev3) as well as new 2140 low-pass filters designed by Dave Rossum, like the 2040 filters he designed in the original Rev1 and Rev2. The end result is the ideal analogue classic synthesiser capable of all the authentic, muscular tones of the original making this truly a a state-of-the-art modern instrument.
All of this punchy, powerful, analogue goodness, housed in a full, five-octave, semi-weighted Fatar keyboard with USB, MIDI, Gate and CV ins/outs, and a premium-quality, steel and hand-oiled, sustainable black walnut heartwood body that make it as satisfying to behold as it is to hear and play. Near new condition with manual, power cable, poster & sticker!"
via this auction
Guessing the price is in Australain dollars.
All of this punchy, powerful, analogue goodness, housed in a full, five-octave, semi-weighted Fatar keyboard with USB, MIDI, Gate and CV ins/outs, and a premium-quality, steel and hand-oiled, sustainable black walnut heartwood body that make it as satisfying to behold as it is to hear and play. Near new condition with manual, power cable, poster & sticker!"
Dave Smith DSI Sequential OB-6 Desktop Analog Synth Module SN 01204 w/ Original Box
Roland MKS-50 Alpha Juno Synthesizer w/ Programmer PG-300
Note: links to listings are affiliate links for which the site may be compensated.
via this auction
"The MKS-50 is a very rare synthesizer module from the mid-80's. It is the rack version of the Alpha-Juno 1 and 2 synthesizers. The MKS-50 is a six-voice polyphonic programmable synthesizer module, featuring a poly mode and a solo mode (that at the time was in vogue to use with a MIDI guitar - so that each string had one voice and MIDI channel - this was before the current crop of MIDI guitar interfaces).
The MKS-50 can store up to 128 "tones", which in turn can combined with performance control functions into 'patches'. There's also a useful "chord" function (when you press one key, a whole chord will sound) that techno/house artists of all kinds used and abused during the early 90s: there are 16 programmable spots for these chords although the factory-programmed ones are some of the most used.
The PG-300 is a very useful companion to the MKS-50, as programming become "immediate" and "hands on".
The sound character of this series of synths is a cross between the Juno and MKS synthesizers - The tone is silky and lush, but with some programming it can definitely sound huge, beautiful and nasty."
via this auction
The MKS-50 can store up to 128 "tones", which in turn can combined with performance control functions into 'patches'. There's also a useful "chord" function (when you press one key, a whole chord will sound) that techno/house artists of all kinds used and abused during the early 90s: there are 16 programmable spots for these chords although the factory-programmed ones are some of the most used.
The PG-300 is a very useful companion to the MKS-50, as programming become "immediate" and "hands on".
The sound character of this series of synths is a cross between the Juno and MKS synthesizers - The tone is silky and lush, but with some programming it can definitely sound huge, beautiful and nasty."
Yellow Waldorf Micro Q Polyphonic Rack Synthesizer SN 1210054968
AKAI VX600
Note: links to listings are affiliate links for which the site may be compensated.
via this auction
Some pics of the inside parts below.
via this auction
Some pics of the inside parts below.
Casio VL-Tone VL-1 w/ Original Box & Materials
Chrome Sparks | Where Did You Come From? | Subsequent 25
video upload by Moog Music Inc
"Join Chrome Sparks on a new sonic journey with Subsequent 25.
Subsequent 25 is a two-note paraphonic analog synthesizer that melds the hands-on analog soul of classic Moog instruments with the convenience and workflow of a modern sound-design machine. The most compact Moog keyboard synthesizer to date, Subsequent 25 delivers all of the rich sonic density that Moog synthesizers are known for.
More about Chrome Sparks: https://www.chromesparks.com"
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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

























