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Yamaha CS-40M

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“This is an analog synthesizer restored 2 years ago by Bell Tone Synth Works – synthesizer repair in Philadelphia. Many capacitors and other parts were replaced. This is a rare Vintage Analog Synth and is sold AS IS. It may require a look-over by a repair facility to bring it up to perfect performance. Free shipping to the lower 48 states. Stand not included” Click here to visit listing on eBay

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Yamaha TX81Z

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“Yamaha TX81Z FM Tone Generator Rack Mounted Synthesizer with Manual”
Click here to visit listing on eBay

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Yamaha Tenori On

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“You are purchasing this previously owned and used Yamaha TENORI-ON TNR-W Effects Silver that has been tested and is in good physical and working condition with scuffs and scratches from normal use. This item comes as shown in pictures. ”
Click here to visit listing on eBay

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Yamaha TX81Z

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“YAMAHA TX81Z FM Tone Generator MIDI Synthesizer Rack Mount”
Click here to visit listing on eBay

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Yamaha DX9

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“For sale is a Yamaha DX9 Digital FM Synthesizer, another legendary synthesizer from the 1980s. This unit has been tested and is in good working order. It’s a great addition for collectors, musicians, or synth enthusiasts.

Condition:

Cosmetic Shape: Good for its age, with some tape residue, scratches, and minor cracks. Please refer to photos for a detailed look.
Functional Condition: All keys, sliders, and outputs work as expected. It has been tested and performs well.
Dust and Cleaning: Like many vintage items, it could use a thorough cleaning to restore its original shine.

Custom Programming:

The factory presets on this DX9 have been replaced with custom programs. Currently, it produces some very unique, space-age, experimental sounds.
If preferred, you can restore the original factory sounds via MIDI. Factory SysEx files are widely available online for download.

Additional Information: This synthesizer is sold as-found and is ready for use or restoration, depending on your preference. It’s a fantastic piece for sound designers or anyone looking for a unique synth to experiment with.”
Click here to visit listing on eBay

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Sequential Circuits Six-Trak

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“Great condition, see pics

Works great 100%

Original box and packaging

Original manual

Printed out schematics

Updated software

CEM chips were updated when you could still get CEM chips” Click here to visit listing on eBay

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Sequential Circuits Prophet 600 Project Machine

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“Only one owner! Low serial number 122. Ran when parked.

The owner bought this new in 1983 in Colorado Springs. The unit went on tour for a few years, but has sat in its case for many years.

Included is a “Star Case.” The foam on the inside could use renewing. Also included is an original manual and a controller foot pedal. We are not sure if the pedal works.

There is also an original tape with the matching serial number of 122.

This unit has intermittent keys and sold as non-working for parts only. ” Click here to visit listing on eBay

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4ms Shuffling Clock Multiplier and S.C.M. Breakout

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“I’m selling my 4ms Shuffling Clock Multiplier and SCM Breakout as a pair. Both modules are in excellent condition and work perfectly together to expand your clocking and timing capabilities.

no original box. rack rash .” Click here to visit listing on eBay

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Oberheim OB-Xa

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“I’m the 2nd owner of this. I have had it for over 20 years, never gigged, just home use. All caps replaced years ago. Midi added. There was some feature put in by the original owner that I removed so there’s a small row of mini rubber plugs on the top left of the unit. Looks professional. I had the anvil case made. It looks near perfect with only a couple of small scratches to the top of the case. Working well, awesome sound. Programs fine. No problems to speak of. ZERO corrosion or paint chipping. This one is probably the cleanest one available right now. I never used the MIDI and cannot say if it works or not, cause I don’t know.” Click here to visit listing on eBay

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Emu Proteus 2000

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“Vintage E-MU Systems Proteus 2000 Sound Module Synthesizer. Condition is Used. Shipped with USPS Priority Mail. ” Click here to visit listing on eBay

Categories Emu

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Moog Sonic Six

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” Beautiful 50 year old Moog that can do things no other Moog can do. It’s the only Duophonic Moog! You can set one osc as low note and one to high note for duophonic playing, set it as a mono synth, or even change the scaling of the high osc for microtonal playing. This Moog has the same oscillators and filter as the Minimoog Model D but instead of the Mini’s third osc that doubles as it’s only lfo, the S6 has TWO dedicated LFOs that can have separate wave shapes and rates and can be modulated by the eg! Modulation craziness. This Moog also has TWO amps! One signal goes through the filter, as usual, but there is a second amp that bipasses the filter. This means you can have a high resonance sweeping filter sound going (which kills all low end on every Moog) but you can beef it back up with the dry out amp. I’ve had most Moogs and think this is by far the best and most powerful Moog. I passed on a Minimoog for only 3k years ago and sold my Multimoog when I got my first S6. Everything works. Tuning and scaling was just adjusted and it’s working great. I barely play it and have some studio changes in mind so it’s on the chopping block. Sold as-is. No returns and I am not responsible for any guts getting shaken during shipping. It’s 50 years old and it’s in excellent shape for that age. Tuning and calibration info can be found online if you need it after shipping. Also considering selling the Polymoog 203a seen in the photos which is also fully functional and includes the rare Polypedals.” Click here to visit listing on eBay

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Moog Opus 3

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“Beautiful old synth used by bands like Stereolab. I’ve owned this for ten years and have had zero issues with it. The pots are scratchy due to age. As I recall, the previous owner had the gooey black foam removed — this can become a known issue with these. ” Click here to visit listing on eBay

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Roland TR-909

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“• Tested fully functional, working perfect.

• This unit has been stored with care, Beautiful condition. Please check details in the photos for small blemishes and light scratches.

• Comes with power cable.

• This unit is 100V. You may need a step down transformer depending on your country.” Click here to visit listing on eBay

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Roland CR-1000

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“Up for sale is a vintage Roland CR-1000 Digital Drummer MIDI Drum Machine featuring an LED display and 23 original push buttons. This is a great piece of gear for collectors, enthusiasts, or musicians seeking the unique sound of Roland’s classic drum machines.

Condition:

Functionality: The drum machine works perfectly when powered by batteries, producing excellent sound and performance. However, it is unresponsive when connected via an AC adapter (tested with a Boss PSA-120 adapter).
Cosmetic Condition: Overall good vintage condition with minor signs of use consistent with its age. All buttons and LED display are intact. Please see photos for details.” Click here to visit listing on eBay

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Roland AX-1 Keytar Project Machine

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“The Roland AX1 is a 49-key keytar synthesizer designed for live performances. As part of the Roland brand, this model offers a unique combination of keyboard and guitar-like functionality, allowing musicians to play melodies and control synthesizer parameters while moving on stage. The AX1 is a versatile instrument that is suitable for both professional audio applications and musical performances, making it a popular choice among musicians looking for a portable and expressive synthesizer solution.
Although it works in the video… Here are the issues:
1. The keyboard is missing some scrues to hold it better to the chassie. chassie needs scrues also.
2. Some of the keys are not making sound towards the lower part of the keyboard.
3. The volume know is missing
4. The sustain button is missing on the back of the neck. But a sustain pedal works.
INCLUDES A SOFT SHELL CASE!!!
This is why it’s listed as a parts only sale.” Click here to visit listing on eBay

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Roland SBX-80

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“Item is in good condition but is untested. This comes from a studio clean out and we’re helping the owners liquidate. ” Click here to visit listing on eBay

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Roland D-550 Project Machine

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“Selling as is for parts or not working

Display lights up but you can see anything , not letters not numbers,

NOTE POWER CORD IS NOT INCLUDED ” Click here to visit listing on eBay

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Roland SH-1000

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“This rare Roland SH – 1000 synthesizer is in good working order and decent cosmetic condition. No broken keys or buttons no missing tabs. Everything on this synthesizer works every key works and all the functions work. It has not been restored or calibrated, but it has been completely tested, and it is very playable for a vintage analog synthesizer it stays in tune and has good tuning and intonation. The filter sounds fantastic. Please look at the photographs closely. There are some cosmetic issues with this very old instrument. There is some corrosion underneath the paint on the control panel as shown in the photos. There is some minor chipping and scratches on the wood” Click here to visit listing on eBay

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Korg MS10 and Korg MS20

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“Rare opportunity to purchase the original Korg MS10 and MS20 in nice condition both with manuals, MIDI to CV convertor and patch cables. Includes a copy of PATCH & TWEAK with KORG. The MS20 also has a custom made wheeled flightcase.

I didn’t get off the ground at all with (semi) modular synths so these have been sat here in my smoke free home for the past 5-6 years. Included in this deal is a Kenton Pro 2 dual channel MIDI to CV convertor and its operation manual which came with the MS10.

The MS10 comes with original owner’s manual and settings examples booklet. The MS20 owners manual and settings examples booklet are not originals, but Korg reissues. Both MS10 and MS20 have been tested Jan 2025 prior to listing and appear to work as intended.

A bunch of patch cables are included with two original yellow ones as provided by Korg. A pair of new unused 1/4 to 1/8 inch mono cables are included to interface the Kenton Pro 2 with one channel of CV/Gate on either synth. I have never used the Kenton Pro 2 but it does work. ” Click here to visit listing on eBay

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Korg MS2000

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“KORG MS2000 44 Key Analog Modeling Synthesizer Good Condition W/ Korg G3 Process” Click here to visit listing on eBay

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Korg DW-8000

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“Korg DW-8000 61-Key 6-Voice Polyphonic Synthesizer Keyboard #54769

Tested. Good working condition

Ships FREE” Click here to visit listing on eBay

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Korg MS2000R

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“You are bidding on Korg MS2000R SYNTHESIZER Analog Modeling . Powers up and seem to be working, but I have no idea how to check 100%, I am not professional and have no idea how to check 100%. Looks great, but it’s used and does have signs of being used, please look at the pictures. Missing box, cables, couple knobs covers and manual. Please do research about the item, so you will know what you need to use it before you BID/BUY IT. Please do research about the service/repair cost before you BID/BUY IT.” Click here to visit listing on eBay

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Korg 01/W FD

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“Comes with power cord, case and stand.

Backlight panel not working but included is new backlight (not installed).” Click here to visit listing on eBay

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Korg M3R

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“KORG M3R HAS BEEN IN MY STUDIO RACK FOR AWHILE POWERED DOWN COMES WITH BO TOMLYN EXPANSION CARD #1
TESTED AND ALL WORKING SOUNDS GREAT THE DISPLAY IS VERY CLEAR FOR SOME REASON MY CAMERA COULD NOT CATCH IT ” Click here to visit listing on eBay

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Korg M1

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“Korg M1 in reasonable condition for it’s age.

A few scratches and marks as can be seen from the photos but everything present and working. All keys sound, all buttons and both sliders work. Joystick works.

New battery installed last September and factory sounds restored.

13 amp power lead included, but sorry no stand.” Click here to visit listing on eBay

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Yamaha FB-01

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“this auction is for a classic used yamaha model: FB-01U FM sound generator. overall it is in fair condition and works. shipping would be exact shipping costs by fedex home-delivery. good luck bidding.” Click here to visit listing on eBay

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Yamaha DX21

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“This item is from a house clearance. I have no knowledge of the item except to say that it powers up as shown. Side panel comes off easily as a bit broken as shown. Case in good condition.” Click here to visit listing on eBay

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Yamaha DX21

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“All tested and working.

Includes a tough fitted flight case and printout of the user manual.

A back-lit LCD has been fitted to replace the original basic and nigh unreadable version.
The memory retention CR2032 battery has been replaced and is now in a socket and accessible without removing the main PCB!
The keyboard contact strips have been de-fluffed and cleaned. All keys are functioning perfectly.
The 2-core mains lead has been replaced by a 3-core with earth (as fitted to some export versions) and the metalwork bonded for greater safety.
All pots, wheels and sockets have been cleaned and lubricated. ” Click here to visit listing on eBay

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Yamaha DX7 Project Machine

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“Switches on fine as shown in pictures. Something happening internally on the motherboard which I have no idea about and I don’t need it anymore. Doesn’t play. Buzzing noise through headphones. SPARES AND REPAIRS ONLY!.”
Click here to visit listing on eBay

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Yamaha DX100

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“Yamaha DX100 4-operator synth, with power supply, original packaging, manuals, even the unmailed warranty card. In good working condition– all keys, controls, display working. Has updated removeable memory battery holder added. Minor surface scuffs, missing strap buttons. Buyer pays $25.00 shipping to continental US only.” Click here to visit listing on eBay

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Yamaha BC1

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“Comes as seen
Tested” Click here to visit listing on eBay

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Yamaha DX27S

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“The keyboard functions flawlessly on the left speaker, but the right speaker doesn’t sound as clear. While it still produces sound, it may require some repairs. Aside from that, everything else works as expected.” Click here to visit listing on eBay

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Sequential Circuits Six-Trak

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“CONDITION: SOLD AS IS! I am not an expert when it comes to this item & have no idea how to properly test it. The unit appears to turn on and respond to pretty much all the inputs I selected, please watch the provided video for the test I did. This is the extent of the testing that was done which is why it’s sold for PARTS/REPAIR. Expect this unit to not fully function or need some work, but if it ends up being fine then you lucked out!
Shows some normal signs of cosmetic wear & age. Some marks and signs of aging throughout, the wood has some minor flaws. Overall its in pretty nice shape for the age. The cord is intact with no issues. We are open to offers or local pickup in NJ to save on shipping” Click here to visit listing on eBay