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Teenage Engineering OP-1 Field

“Teenage Engineering OP-1 Field Portable Keyboard Synthesizer – White – Excellent. Model #TE002AS001A. Ran loop for 8 hours on battery, still going strong. Tested major functions- all OK. Comes with charger, USB cable, keyboard overlay, accessory knobs, matching earbuds and original box. Guaranteed to work properly upon receipt, but no warranty is offered.” Click here to visit listing on eBay

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Mutable Instruments Ambika

“Ambika 6 voice synth. With metal case a wood endcaps. Includes power supply. Perfect operation.” Click here to visit listing on eBay

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PAiA Vocoder 6710

“Works, but does need to be internally cleaned and possibly a few components changed. Please note: Has a lot of interference noise. Will need some love/repair in order to be in excellent working order.

Advised that buyer should be comfortable with electronics and know how to repair. This was originally a kit. I paid to have someone at PAIA put it together for me in 1998 because I was not great with soldering, etc. Can be mounted in a rack mount. Please see pictures.” Click here to visit listing on eBay

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The Harvestman Black Locust

“In excellent used condition, this a rare out of production module from The harvestman industrial music electronics.

Comes with a power cable and two splitter cables for patching to guitar pedals.” Click here to visit listing on eBay

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The Harvestman Stillson Hammer MKII

“In excellent used condition, this a rare out of production module from The harvestman industrial music electronics.

A powerful and deep 4 track sequencer.

Comes with a power cable.” Click here to visit listing on eBay

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Roland D-50

“This Roland D-50 synthesizer is a great find for any musician or producer looking for a vintage sound. With 61 synth keys and MIDI ports, it’s perfect for both analog and digital recording. The synthesizer is a 1987 original from Roland and has been well-maintained, ensuring its high-quality performance. It also comes with 8 rare sound cards, making it a complete package for anyone who wants to create music.This synthesizer is a must-have for anyone who wants to elevate their music to the next level.” Click here to visit listing on eBay

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Roland JP-8000

“Roland JP-8000 Synthesizer-Made in Japan-in good working condition.
Shows few scuffs and play wear. Comes with custom case by Case Makers.
Fully operational,all controls are working,leds are working.
No sinking keys. No dead keys. All original ,no mods.” Click here to visit listing on eBay

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Roland Juno-106

“The unit turns on, but I am unable to fully test it to see if all the buttons and pots work. The unit has some scratches and some cosmetic wear present. There is some tape residue on the board as well as on the cable. The unit is being sold as is for parts or repair. It also sounds like there is something loose that is moving around in the unit. ” Click here to visit listing on eBay

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Roland SC-33

“This is a Roland Sound Canvas Module Synth SC-33 with AC adapter. The vintage item is being sold as untested. It has 18 keys and is a digital synth with MIDI IN, OUT, and THRU, OUTPUT R, L(MONO), and PHONES ports. The item is made in Japan and is a great addition for any musical instruments lover.” Click here to visit listing on eBay

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Roland PG-10

“This item is in very good preowned condition with minimal signs of wear overall. Tested to power on. Does not come with a power adapter or any extras. 30 day guarantee.” Click here to visit listing on eBay

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Korg Sigma

“Korg Sigma Mono synthesizer in good cosmetic condition. As is visible in the pictures, the wood sides have chips / marks and there spots on the front of the synth with paint chipped off. To note, the wood panels have a little play when moving the synth but my understanding is that’s how it is by design. This Sigma was just serviced at Rosen Sound in LA, sounds amazing with aftertouch working fully, and will ship in a custom flight case. Thanks!” Click here to visit listing on eBay

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Korg MS-10

“The MS-10 is well known for its huge sounding electro bass sounds.

This one is in tiptop condition for its age and has been thoroughly disassembled down to the individual keys, cleaned and reassembled, then tested and adjusted to ensure it is working perfectly. See the video of it in action.

In essence, w.y.s.i.w.y.g. with the EXCEPTION of the patch cables.

An ever increasing asset to the studio, whose price in this condition is only going up.

Included is a print-out of some of the sound variations possible.

To top things off, comes with a brand new soft cushion black cover.” Click here to visit listing on eBay

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Korg Delta

“Here’s an amazing string synth I picked up I think in 2009. It’s an amazing synth, and I’m reluctant to let it go nut I need to clear out a lot of my equipment in preparation for a change of use for my studio.

It could definitely do with a bit thorough service to fix a few minor and a couple of major issues.

Cosmetically it’s surprisingly good, see photos.

Main issues.

Intermittent problem with what seems like the synth section Low Pass Filter. It often seems completely fine, but occaisionally will start to distort and fluctuate in amplitude resulting in a very unpleasant crackle and then starts to lose function, the resonance stops working and only the top range of the filter cutoff seems to work. I think it may be linked to heat as it seems to happen more often when it has been left on for a while.
The synth section works seemingly much better when set to Band pass mode, though which Is how Ive been using it for years without any issue.
The noise generator in the synth section seems completely none functional, both as a tone and modulation source.

There are some issues with some of the faders/pots, as follows. .

The vibrato depth pot is missing its cap but functions fine.
Seems like the sustain parameter on the synth section is locked at maximum, so there’s no way to know if the decay functions correctly, but I’ve always managed to make do with it by using the release to create any pluck sounds I required, though maybe lacking slightly in precision compared to using the decay.
The two pots that control the amount of modulation assigned to the joystick are a bit temperamental and inconsistent while making adjustments but seem fine once in place and the joystick itself works great.
The octave blender in the string section seems very slightly off in the lower ranges when blending towards the lower octave.

The last photo shows the pots that have issues.
Note: The far right pot (Main Volume) is actually fine despite being labeled in the image.” Click here to visit listing on eBay

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Korg MS2000

“Korg MS2000. I’ve owned this since 2005 & it hasn’t been used in about 15 years so it’s time to go to a new home.” Click here to visit listing on eBay

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Korg 01/W

“This Synthesiser is good condition with minimal signs of wear. There is some scratching to the bottom of it. This comes with a carry bag and power cable.” Click here to visit listing on eBay

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Korg EX-8000

“This unit is in excellent condition. Has amazing presets loaded into it. Sounds great. Everything works!” Click here to visit listing on eBay

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Korg Poly-61

“**Local pickup only**

Here we have my

Working KORG POLY-61 Vintage 1980’s Synthesizer Keyboard

I have had this a long long time, and over the years it has seen more action than Axel Rose.

Over the years I have had hard Red Oak sides put on, as the chipboard that was originally there was just falling to bits as they all do.

I have not used it for over a year, but it is fully functioning. Just needs some switch cleaner in the volume knob as it is a little scratchy when turned. With time and use this should dissipate.

Also, where the modulation/Pitch bend joystick is, the panel does move a bit. It has done this since the sides were replaced but it does not affect playing or using of the joystick. It could use some shorter screws in it I think. Just never bothered with it as it did not detract from its use. Just thought I would mention it as someone may want to fix that.

Other that what I have mentioned , it is working as it should.” Click here to visit listing on eBay

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Korg 900PS

“Korg 900PS Mono Synthesizer in great cosmetic condition. Really interesting and characterful sounding preset synthesizer from the 70s. While everything is functional, it could probably use a service / recalibration. To note, this synth is 220V, has a German two prong plug and will require a step down converter for use in the US. Comes with a custom flight case. Thanks!” Click here to visit listing on eBay

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Yamaha FB-01

“Yamaha FB-01 FM Sound Generator – Model FB-01U. Excellent condition. Not able to test but everything appears to work fine. Free returns if any issues.” Click here to visit listing on eBay

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Yamaha TF-1

“Listing is for one TF-1 synthesizer module. Each TF-1 is basically a DX7 (a 6-operator FM synth with 16-note polyphony) in a small module, designed to go in TX216/TX416/TX816 rack mount units, and holds 32 patches. Cannot be used without the rack unit. In good working order, battery is relatively new and has a good charge. “ Click here to visit listing on eBay

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Yamaha TX802

“For sale is a rare vintage Yamaha TX802 FM Tone Generator. It’s tested and working. No cartridge is included. The only issue worth mentioning is the backlight is out on the screen, as common for these old units. You can still read the screen just fine, but it doesn’t have a bright green glow to it. This is like a rack-module version of a Yamaha DX7mkII. There are 128 preset and 64 user patches, 16-voices of polyphony and six digital FM Operators, with full 8-part multi-timbral operation for key mapping and/or sequencing.”
Click here to visit listing on eBay

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Yamaha FB-01

“Used, tested with headphones and a MIDI controller. I don’t know how to program this thing, but I was able to go through a bunch of voices and play rhem and modify them a little bit. That’s the extent of my knowledge. Pricing low as a result.” Click here to visit listing on eBay

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Yamaha TX81Z

“Gently used by previous owner, an audio engineer based in Miami.

Ships fast and safely with generous padding. ” Click here to visit listing on eBay

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Yamaha DX100 Project Machine

“Up for sale we have a preowned Yamaha DX 1000 Synthesizer. It comes as pictured with nothing else included It does power in and works. It does need a battery door and a few of the keys are delayed some. It will also need the internal battery replaced so I don’t know how much of a role that is playing. Because I’m not an expert at these older vintage synthesizers, I do not know how this board fully functions. For these reasons I’m selling it AS IS FOR PARTS OR REPAIR. Thanks for checking out this listing.” Click here to visit listing on eBay

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Sequential Circuits Prelude

“This vintage Sequential Circuits Prelude analog synthesizer is a must-have for any serious musician or collector. With its classic design and high-quality performance, this keyboard synthesizer is perfect for creating unique and inspiring sounds. The synth keys are perfect for any type of music, and the analog signals provide a warm and organic sound that cannot be replicated in any digital setting. The brand is well-known in the industry, and the model is a true gem for any synth enthusiast. The Prelude is a versatile keyboard synthesizer that can handle any type of music, and its analog construction ensures that every sound is authentic and organic. This item is perfect for anyone looking to add a vintage touch to their musical equipment collection.” Click here to visit listing on eBay

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Sequential Circuits Six-Trak

“Vintage analog poly synth in good working condition. No dead keys or bad oscillators. Good looking wooden side panels and face as you can see from the pictures. Light wear to be expected from a synth made in the mid 80’s. Nice arpeggiator and simple sequencer. It has midi so you can run it from an external sequencer,cpu or other midi device. 6 voice polyphonic or you can stack all six oscillators in Unison for thick monophonic bass sounds and such. Lacks multi knob tweak ability but you can assign a knob to tweak individual parameters like the filter or whatever you desire. ” Click here to visit listing on eBay

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ARP Solina

“These are now incredibly rare and I’d like this to go to a good home where it can be restored and used regularly. THIS ITEM IS VERY HEAVY 47lbs. COLLECTION ONLY ” Click here to visit listing on eBay

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Casio CZ-1000

“Casio CZ-1000 synth for sale. Lowest C doesn’t make sound when pressed & missing power button but still turns on. All voices & settings work. Doesn’t include the power supply but runs on D batteries which I’ll include. Super fun synth to play synth but I’m trying to downsize my gear. Come try it out if interested. Local pickup available in LA.” Click here to visit listing on eBay

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Ensoniq SQ1 Plus

“Ensoniq SQ1 Plus Digital Synthesizer Workstation With Manual And Gigbag.

One owner. Purchased by me in 1993.

Very good condition. Everything works.

The low battery warning comes up on the display when powered up, but pressing any key removes it. Has done this for 20 years.

One of the output jacks is missing the metal locking ring.

Made in USA. ” Click here to visit listing on eBay

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Neutron Sound Orgone Accumulator Teensy3.2 DIY Kit

“This Neutron Sound Orgone Accumulator Teensy3.2 DIY Kit Analog Synthesizer Module is a must-have for any music enthusiast. With its unique design and analog construction, it is sure to produce high-quality sound that is perfect for any musical project. The module is suitable for use with a variety of musical instruments and gear, making it a versatile addition to any setup.

The brand of this module is Neutron Sound and the model is Orgone. It is an analog synthesizer module that is perfect for music producers and DJs alike. The module is sold as a kit and includes all the necessary components for assembly. Once assembled, it is easy to use and provides a wide range of sound possibilities. This module is ideal for those who are looking for something unique and versatile in their musical equipment. This kit is the euro format . The box is open and I have included a list of all parts that are included as well as the PCB board 1.05 and the teensy 3.2 osh park edition chip . The 40 pin header strip is not included in this kit . This may or may not be a complete kit because I don’t have a packing slip for what was originally included but it’s a good start and has all the most important components” Click here to visit listing on eBay

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Elektron Analog Four MK II

“In perfect condition except some sticky button surfaces due to hydrolysis ( this is a common issues for all Elektron products). No functional problems / scratches / dents.

Comes with quick start guide, power supply, and original box.”
Click here to visit listing on eBay

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Casio CZ-101

“CASIO CZ-101 Digital Synthesizer Keyboard W/ Power Adapter MIDI 49 Keys

Includes Casio synth player, MIDI cable, and AC Power Adapter.

Tested, all buttons and keys work. Keys are clean, not yellowed. Digital screen has some clouding from dust. No broken keys or buttons. The Power Cable connection is loose and will shut off if not properly set.” Click here to visit listing on eBay

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PAIA Dual Tube Microphone Pre-Amp

“PAIA Tube Microphone PreAmp Dual Rack Mount Unit

Includes wall wart power supply. Both units are working. Tested with a phantom powered mic.

All controls seem to work with the exception of the Blend Control on Unit #1/left side.Rotating it to the far right gives no sound, so it will probably need some minor repair. Couple pots are scratchy sounding.” Click here to visit listing on eBay