via this listing
Additional Perfect Circuit listings
Showing posts with label Auctions. Show all posts
Showing posts with label Auctions. Show all posts
Tuesday, November 18, 2025
Waldorf Microwave 1 Rev A Rackmount Wavetable Synthesizer
Note: links to listings are affiliate links for which the site may be compensated.
via this listing
Additional Perfect Circuit listings
via this listing
Additional Perfect Circuit listings
Korg i5M Interactive Music Module
Note: links to listings are affiliate links for which the site may be compensated.
via this listing
Additional Perfect Circuit listings
via this listing
Additional Perfect Circuit listings
MFB Tanzmaus
Note: links to listings are affiliate links for which the site may be compensated.
via this Reverb listing
Additional CONTROL Listings
via this Reverb listing
Additional CONTROL Listings
Oberheim Xpander XP1 JP SN 700229
Note: links to listings are affiliate links for which the site may be compensated.
via this Reverb listing
via this Reverb listing
SN 621474
Note: links to listings are affiliate links for which the site may be compensated.
via this Reverb listing
"Roland System 100 Model 102 in very good condition. It is designed as an expander to the Model 101 but can also be used with other modular or semi-modular synths. Very warm sounding (Spiral by Vangelis). At the time of listing, everything is working, including the patch points. This is a 100 / 120 V model which has been calibrated for 120 V."
via this Reverb listing
"Roland System 100 Model 102 in very good condition. It is designed as an expander to the Model 101 but can also be used with other modular or semi-modular synths. Very warm sounding (Spiral by Vangelis). At the time of listing, everything is working, including the patch points. This is a 100 / 120 V model which has been calibrated for 120 V."
Monday, November 17, 2025
Black Friday on Reverb: Up to 80%—yes, eighty!— off select synths, effects, and more music gear
Note: links to listings are affiliate links for which the site may be compensated.
via Reverb
"From now through 9:59 a.m. on Monday, December 1st (Cyber Monday), musicians can snag up to 80% off select gear during the Black Friday Sales Event on Reverb... yes, eighty percent!
Hundreds of thousands of pieces of discounted gear can be found here—and, as always, the Reverb team has waded through the synths, effects, more to pick out some of the gems:
KORG Nautilus 88 - Certified B-Stock: $1,100 off
Yamaha MONTAGE-M8X 2nd Gen 88-key Synthesizer with GEX Action: $675 off
Dexibell VIVO S8 Stage Piano: $600 off
Elektron Tonverk Polyphonic Multisampler & Audio Processor Regular: $141 off
Arturia Astrolab 88 88-Key Stage Keyboard: $120 off
Arturia DrumBrute Impact 1984 Analog Drum Synthesizer: $60 off"
via Reverb
"From now through 9:59 a.m. on Monday, December 1st (Cyber Monday), musicians can snag up to 80% off select gear during the Black Friday Sales Event on Reverb... yes, eighty percent!
Hundreds of thousands of pieces of discounted gear can be found here—and, as always, the Reverb team has waded through the synths, effects, more to pick out some of the gems:
KORG Nautilus 88 - Certified B-Stock: $1,100 off
Yamaha MONTAGE-M8X 2nd Gen 88-key Synthesizer with GEX Action: $675 off
Dexibell VIVO S8 Stage Piano: $600 off
Elektron Tonverk Polyphonic Multisampler & Audio Processor Regular: $141 off
Arturia Astrolab 88 88-Key Stage Keyboard: $120 off
Arturia DrumBrute Impact 1984 Analog Drum Synthesizer: $60 off"
Oxi Instruments One MIDI / CV Sequencer Silver with Split & Pipe
Note: links to listings are affiliate links for which the site may be compensated.
via this Reverb listing
Additional Three Wave Music Listings
via this Reverb listing
Additional Three Wave Music Listings
MFB Urzwerg Pro
Note: links to listings are affiliate links for which the site may be compensated.
via this Reverb listing
"One of the best step sequencers ever made, with a degree of immediate flexibility missing with much more expensive and complex machines. Great, compact, sturdy & lightweight tool for modular system or polysynths control. Sweet bakelite retro vibes.
MIDI & CV/gate operation. Control 4 synths or modules simultaneously with one sequencer – or layer 4 polyphonic voices.
4 rows of 8 steps each, linkable to 2x16 steps
gate on/off + CV rotary control per row
set number of steps per row (in real time)
individual gate & CV outputs per row! MIDI in out thru on the back.
range and gate length can be set in real time, for unparalleled improv capabilities
deep MIDI programmability: have 2 rows do pitch, another do velocity etc... adapt to any use
rows can move back, forth and <–>
control number of steps per row and program polyrhythms on the fly
2 shuffle modes
LED per step showing you where you are (new to Pro)
Technically immaculate.
Excellent cosmetic condition."
via this Reverb listing
"One of the best step sequencers ever made, with a degree of immediate flexibility missing with much more expensive and complex machines. Great, compact, sturdy & lightweight tool for modular system or polysynths control. Sweet bakelite retro vibes.MIDI & CV/gate operation. Control 4 synths or modules simultaneously with one sequencer – or layer 4 polyphonic voices.
4 rows of 8 steps each, linkable to 2x16 steps
gate on/off + CV rotary control per row
set number of steps per row (in real time)
individual gate & CV outputs per row! MIDI in out thru on the back.
range and gate length can be set in real time, for unparalleled improv capabilities
deep MIDI programmability: have 2 rows do pitch, another do velocity etc... adapt to any use
rows can move back, forth and <–>
control number of steps per row and program polyrhythms on the fly
2 shuffle modes
LED per step showing you where you are (new to Pro)
Technically immaculate.
Excellent cosmetic condition."
Korg MS-50 SN 190260
Note: links to listings are affiliate links for which the site may be compensated.
via this Reverb listing
via this Reverb listing
Sunday, November 16, 2025
Korg ARP 2600 M standard Semi-Modular Synth with Keyboard & Case SN 001921
Note: links to listings are affiliate links for which the site may be compensated.
via this Reverb listing
"Korg Reissue Arp 2600m standard in excellent condition. Unit includes Microkey 2-37 midi keyboard, USB B to A cable, patch cables, black case and PSU"
via this Reverb listing
"Korg Reissue Arp 2600m standard in excellent condition. Unit includes Microkey 2-37 midi keyboard, USB B to A cable, patch cables, black case and PSU"
Moog Geddy Lee Minimoog Model D 44-Key Monophonic Synthesizer w/ Original Box SN GLMD 0551
Note: links to listings are affiliate links for which the site may be compensated.
via this Reverb listing
"Here's a great offering of what is to be a rare and historic synthesizer.. This Moog Music Geddy Lee MiniMoog Model D + Signed COA + Limited Edition Vinyl is in mint condition in and out. Unboxed this week just for testing and taking pics for this resale. These are no longer available from Moog. It would be a great addition to any synth aficionado / collector and supreme joy for any player."
via this Reverb listing
"Here's a great offering of what is to be a rare and historic synthesizer.. This Moog Music Geddy Lee MiniMoog Model D + Signed COA + Limited Edition Vinyl is in mint condition in and out. Unboxed this week just for testing and taking pics for this resale. These are no longer available from Moog. It would be a great addition to any synth aficionado / collector and supreme joy for any player."
Atomosynth Perceptron - Clear
Note: links to listings are affiliate links for which the site may be compensated.
via this Reverb listing
"Peruvian semi-modular analog synth with an absolutely INSANE sounding filter.. This synth can easily allow you to take Acid music to a whole new level of crazy. It's in abolutely MINT condition, it even has the protective outer film layer on it still. 100% fully functional and has been used for less than 2 hours in total. The power supply is included but you need to get a very common cord for it. It's same type of cord that's used for various rack gear & old school computers. Should be easy to obtain. the last pic shows you the style of cord it uses."
via this Reverb listing
"Peruvian semi-modular analog synth with an absolutely INSANE sounding filter.. This synth can easily allow you to take Acid music to a whole new level of crazy. It's in abolutely MINT condition, it even has the protective outer film layer on it still. 100% fully functional and has been used for less than 2 hours in total. The power supply is included but you need to get a very common cord for it. It's same type of cord that's used for various rack gear & old school computers. Should be easy to obtain. the last pic shows you the style of cord it uses."
Atomosynth Medussa
Note: links to listings are affiliate links for which the site may be compensated.
via this Reverb listing
"A basic synth with a WILD vactrol acid filter. The "4 + >" button doesn't work very well when pressed in it's center but works fairly ok if you press down on the top edge of the button at an angle. All other buttons work fine, knobs are all good, Screen is crisp and bright & synth engine is fine. There are bubbles in the clear plastic body parts & a black scuff on the green face plate. No power cord included but it's a very common type of cord, easily obtainable."
via this Reverb listing
"A basic synth with a WILD vactrol acid filter. The "4 + >" button doesn't work very well when pressed in it's center but works fairly ok if you press down on the top edge of the button at an angle. All other buttons work fine, knobs are all good, Screen is crisp and bright & synth engine is fine. There are bubbles in the clear plastic body parts & a black scuff on the green face plate. No power cord included but it's a very common type of cord, easily obtainable."
Vongon Replay Polyphonic Synthesizer
Note: links to listings are affiliate links for which the site may be compensated.
via this eBay listing
"Vongon Replay synth in excellent used condition. Please see all photos. The usb input is slightly angled within the chassis, but fully functional."
via this eBay listing
"Vongon Replay synth in excellent used condition. Please see all photos. The usb input is slightly angled within the chassis, but fully functional."
HALG-CD 4Mb Memory Card
Note: links to listings are affiliate links for which the site may be compensated.
via this eBay listing
"This card original circuit was fully developed by DoJoe - J. Fenkes and with the great community of keyboard lovers. HALG modified the mechanical, the circuit, and incorporated couple important changes:
✔ The 3 main slide switches that are on the back of the card are stronger now;
✔ The components placement are fully located inside of plastic cover to protect against ESD (electrostatic discharge)
✔ A card enclosure was designed to protect the card when you need to carry around
✔ A plastic case now fits perfectly to cover components and switches;
This memory card is a replacement for Roland’s M-128, M-256 and M-512 cards, as well as the electrically compatible Akai BR-16 and BR-32 cards. Compared to the original cards, this card has two advantages:
✔ It does not require a backup battery. It uses magnetoresistive RAM for storage rather than
regular static RAM, which is a type of RAM that can typically keep its data for twenty years
before it needs to be refreshed.
✔ A single card actually stores 16 M-128 / M-256 cards or 8 M-512 cards, which can be
accessed by a pair of convenient switch sliders at the rear end of the card.
✔ Like the original card, it also comes with a write protect switch.
via this eBay listing
"This card original circuit was fully developed by DoJoe - J. Fenkes and with the great community of keyboard lovers. HALG modified the mechanical, the circuit, and incorporated couple important changes:
✔ The 3 main slide switches that are on the back of the card are stronger now;
✔ The components placement are fully located inside of plastic cover to protect against ESD (electrostatic discharge)
✔ A card enclosure was designed to protect the card when you need to carry around
✔ A plastic case now fits perfectly to cover components and switches;
This memory card is a replacement for Roland’s M-128, M-256 and M-512 cards, as well as the electrically compatible Akai BR-16 and BR-32 cards. Compared to the original cards, this card has two advantages:
✔ It does not require a backup battery. It uses magnetoresistive RAM for storage rather than
regular static RAM, which is a type of RAM that can typically keep its data for twenty years
before it needs to be refreshed.
✔ A single card actually stores 16 M-128 / M-256 cards or 8 M-512 cards, which can be
accessed by a pair of convenient switch sliders at the rear end of the card.
✔ Like the original card, it also comes with a write protect switch.
Saturday, November 15, 2025
1970-1971 Moog Minimoog "RA Moog" Model D - (Player Grade / Replaced Components) Serial No. 1117
Note: links to listings are affiliate links for which the site may be compensated.
via this Reverb listing
Additional SYNTH CITY Listings
"If you’re looking for an RA Moog–era Minimoog Model D on a budget, this is a great opportunity. The previous owner replaced all four of the original mainboards with new units from SynthRestore.co.uk; unfortunately, the original boards have been lost to time. While this does impact the instrument’s value from a collector’s standpoint, it is fully functional and performs reliably.
The exterior cabinet is in excellent condition and may have been rebuilt or replaced, along with a fresh set of knobs. Overall, it’s a fantastic player’s instrument with vintage character at a more accessible price.
Serial No. 1117"
via this Reverb listing
Additional SYNTH CITY Listings
"If you’re looking for an RA Moog–era Minimoog Model D on a budget, this is a great opportunity. The previous owner replaced all four of the original mainboards with new units from SynthRestore.co.uk; unfortunately, the original boards have been lost to time. While this does impact the instrument’s value from a collector’s standpoint, it is fully functional and performs reliably.
The exterior cabinet is in excellent condition and may have been rebuilt or replaced, along with a fresh set of knobs. Overall, it’s a fantastic player’s instrument with vintage character at a more accessible price.
Serial No. 1117"
Moog Memorymoog (Model 345A) w/ Kenton MIDI Kit - Serviced SN 2563
Note: links to listings are affiliate links for which the site may be compensated.
via this Reverb listing
Additional SYNTH CITY Listings
"The Moog Memorymoog Model 345A is an early-production version of Moog’s flagship six-voice, three-oscillator-per-voice analog polysynth from the early 1980s. It delivers the same massive, layered sound the Memorymoog is known for, combining classic Moog filters with extensive modulation. The 345A designation mainly reflects internal production labeling rather than a feature difference. Today, it’s regarded as one of the most powerful and collectible analog polysynths ever built. This one was just serviced by our in-house technician...
Service notes:
-Installed kenton midi retrofit kit
-Modified bottom panel and keybed frame as per instructions
-Fitted midi jacks and push button switch to reaer panel
-Recalibrated entire unit and bench tested for several hours"
via this Reverb listing
Additional SYNTH CITY Listings
"The Moog Memorymoog Model 345A is an early-production version of Moog’s flagship six-voice, three-oscillator-per-voice analog polysynth from the early 1980s. It delivers the same massive, layered sound the Memorymoog is known for, combining classic Moog filters with extensive modulation. The 345A designation mainly reflects internal production labeling rather than a feature difference. Today, it’s regarded as one of the most powerful and collectible analog polysynths ever built. This one was just serviced by our in-house technician...
Service notes:
-Installed kenton midi retrofit kit
-Modified bottom panel and keybed frame as per instructions
-Fitted midi jacks and push button switch to reaer panel
-Recalibrated entire unit and bench tested for several hours"
SN 321937
Note: links to listings are affiliate links for which the site may be compensated.
via this Reverb listing
Additional SYNTH CITY Listings
"The Jupiter 6 is a fantastic analog polysynth that's a little bit of an underdog compared to its siblings the 4 and the 8! However, it is very powerful and is likely overlooked due to the immense fame of the others. Its a dual VCO 6 voice with cross mod capabilities, sync, and triangle, square and saw waveforms. The filter section includes standard low pass but also band pass and high pass operation.
The filter envelope routing is not preset so envelope 1, 2, or both can be assigned to control the it! The LFO section is fully featured including a random output and onset delay. Of course there is full preset saving and plenty of performance oriented controls. The one downside is that it does not include chorus or ensemble like many of the other Roland polys! It does have the coolest color scheme and those futuristic aluminum sides though. The external analog ins include arpeggiator clock in, patch shift, pedal hold and CV for the VCA and VCF. Of course it has MIDI as well so there is tons of interfacing available.
This synth is in excellent working condition and was recently serviced by our in-house technician. It arrived at our shop in need of a little TLC, and it has since received several replacement potentiometers and sliders. A few knob caps are mismatched in color, but these cosmetic quirks have no impact on its performance. Everything has been fully tested and is functioning perfectly.
Serial No. 321937
Additional service notes:
-Replaced all panel sliders
-Replaced all panel pots
-Replaced all panel fader caps
-Replaced panel fader dust covers
-Replaced (3) panel pot knobs
-Replaced all bender faders
-Replaced (1) bender pot
-Replaced rubber stops and center on bend arm
-Replaced all bender fader caps
-Replaced bender fader dust covers
-Cleaned keybed buss bars and key contacts
-Cleaned bender pots
-Replaced memory battery
-Reloaded factory preset data
-Replaced DAC on sub module board
-Replaced DAC offset dual op-amp
-Replaced IR3109 IC Voice 1 VCF
-Replaced m2118 SIP op-amp Voice 1 VCF
-Replaced lots of missing hardware and forced chassis square
-Repaired and cleaned memory protect switch
-Cleaned output level switch
-Calibrated DAC
-Replaced Prime C Key"
via this Reverb listing
Additional SYNTH CITY Listings
"The Jupiter 6 is a fantastic analog polysynth that's a little bit of an underdog compared to its siblings the 4 and the 8! However, it is very powerful and is likely overlooked due to the immense fame of the others. Its a dual VCO 6 voice with cross mod capabilities, sync, and triangle, square and saw waveforms. The filter section includes standard low pass but also band pass and high pass operation.The filter envelope routing is not preset so envelope 1, 2, or both can be assigned to control the it! The LFO section is fully featured including a random output and onset delay. Of course there is full preset saving and plenty of performance oriented controls. The one downside is that it does not include chorus or ensemble like many of the other Roland polys! It does have the coolest color scheme and those futuristic aluminum sides though. The external analog ins include arpeggiator clock in, patch shift, pedal hold and CV for the VCA and VCF. Of course it has MIDI as well so there is tons of interfacing available.
This synth is in excellent working condition and was recently serviced by our in-house technician. It arrived at our shop in need of a little TLC, and it has since received several replacement potentiometers and sliders. A few knob caps are mismatched in color, but these cosmetic quirks have no impact on its performance. Everything has been fully tested and is functioning perfectly.
Serial No. 321937
Additional service notes:
-Replaced all panel sliders
-Replaced all panel pots
-Replaced all panel fader caps
-Replaced panel fader dust covers
-Replaced (3) panel pot knobs
-Replaced all bender faders
-Replaced (1) bender pot
-Replaced rubber stops and center on bend arm
-Replaced all bender fader caps
-Replaced bender fader dust covers
-Cleaned keybed buss bars and key contacts
-Cleaned bender pots
-Replaced memory battery
-Reloaded factory preset data
-Replaced DAC on sub module board
-Replaced DAC offset dual op-amp
-Replaced IR3109 IC Voice 1 VCF
-Replaced m2118 SIP op-amp Voice 1 VCF
-Replaced lots of missing hardware and forced chassis square
-Repaired and cleaned memory protect switch
-Cleaned output level switch
-Calibrated DAC
-Replaced Prime C Key"
Elektron Analog Keys SN A16213380-76
Note: links to listings are affiliate links for which the site may be compensated.
via this Reverb listing
Additional SYNTH CITY Listings
via this Reverb listing
Additional SYNTH CITY Listings
Waldorf Micro Q w/ Wood Side Panels and Custom Knobs
Note: links to listings are affiliate links for which the site may be compensated.
via this Reverb listing
"Perfectly working. Original metal sides and knobs included."
via this Reverb listing
"Perfectly working. Original metal sides and knobs included."
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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
