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Yamaha DX27

“Plugged it in powers on. I don’t know if it has a built in battery or not but it works when plugged into the wall. Comes with original box and will be shipped in original box. Please look at pictures before buying.” Click here to visit listing on eBay

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Sequential Circuits Prophet 600 Project Machine

“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.

THIS IS NOT A FULLY FUNCTIONAL UNIT.

The unit will be shipped in the case, not in a separate cardboard box.” Click here to visit listing on eBay

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Sequential Circuits Pro One

“Original Sequential Circuits Pro One Synthesizer Model 100 #4807 J Wire Keyboard.
Bought this from the original owner. Comes with OG manual(damaged but completely intact) and all functions working even tested the CV/Gate inputs. Very clean and recently serviced in Oakland, CA. Minor scratches and old tape residue pictured. All keys working though I would upgrade it with the Techsmechs TM-2 as this is the original J-Wire keyboard. ” Click here to visit listing on eBay

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ARP Odyssey

“great condition, all working.

All sliders have been replaced with brand new ones – and these have LEDs fitted that light up when you power it on.

110V, I will included the adaptor”
Click here to visit listing on eBay

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ARP Axxe

“Up for auction is a Used Vintage Arp Axxe Analog Synthesizer 2313 For Collector.

This synth was part of my recording studio for 40 years and was still working well 3 years ago.The broken piece of wood was like that when it was bought. It turns on but makes no sound. I cannot play anymore, so it’s time to say goodbye.” Click here to visit listing on eBay

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Teenage Engineering OP-1

“The Teenage Engineering OP-1 is a game-changing handheld synthesizer that combines vintage analog aesthetics with modern digital functionality. It boasts a sleek white design and features a 16-key unweighted keyboard, perfect for producers who value portability without sacrificing performance. Equipped with a display screen, flash memory, and battery-powered convenience, the OP-1 allows for on-the-go music creation. The USB out port ensures easy connectivity with your other studio gear. With its compact dimensions—11.34 in length, 1.14 in width, and 4.02 in height—this synthesizer is a powerful addition to any musician’s toolkit. Comes with Carrying Case, Charging Cord and Antenna. ” Click here to visit listing on eBay

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Oberheim Matrix 1000

“This is a 1988 Oberheim product. It is the Matrix-1000. It is a rack mount analog sound module. I plugged this in and turned it on and all functions appear to work. All buttons and knob work as they should. I was unable to actually test it with a synthesizer, however, since all comes on when plugged in, I would say chances are very good that this is a working and functioning product. I will include the original owner’s manual as well as a power cord.” Click here to visit listing on eBay

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Ensoniq VFX-SD

“ENSONIQ Midi Synthesizer Keyboard Workstation, Model VSX-SD.

This 35 year old vintage keyboard plays beautifully, assuming you do.
It is rare to find one this nice. There are some minor surface scratches, mainly on the back, but
nothing even close to major.
The display is bright and clear.
The buttons all engage decisively and the audio output is clean.

The Power Cord is included along with some Floppy Sound Disks.
I’m including the disks for free as I am unsure exactly what is on them and their quality.
If I have time to audition them I will, but please just consider the disks a freebie.” Click here to visit listing on eBay

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Kawai K4R

“WORKING CONDITION: Excellent – Works great. Everything is fully functional and in excellent working condition.

PHYSICAL CONDITION: Good – Good solid condition with all parts intact. The front, back and sides all seem a little discolored and a little blotchy. See photos. The screen is clear and legible.

INVENTORY #55345

BRAND: Kawai

MODEL: K4R

FUNCTION: Synthesizer

PRODUCT DESCRIPTION: This listing is for a Kawai K4R 16bit Digital Rackmount Synthesizer Module w/ Owner’s Manual” Click here to visit listing on eBay

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Grendel Drone Commander 2

“Rare Waves Grendel DC-2 Drone Commander Module, now discontinued with legendary filter sound

Excellent condition, works perfectly, well taken care of by one owner” Click here to visit listing on eBay

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KAWAI K1m

“This is in perfect working condition. I have owned this for about 10 years, but rarely have used it in my studio, which is why I am selling it. The joystick works perfectly and will be well protected for shipping.

Comes with DC-16 Ram card and original ac adapter.

The unit has scratches and scuffs from use over the years as seen.” Click here to visit listing on eBay

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Moog Bode 16 Channel Vocoder

“Original MOOG branded BODE Vocoder with box in working condition. This vocoder allows you to create classic and versatile sounds from the clear diction of a robot to processing of guitar, drums and others signals creating unique and classic analog effects. The BODE vocoder is the signature sound of the 1970s and 1980s in electronic music and the circuit design was adopted by MOOG for branding purposes.” Click here to visit listing on eBay

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Moog MG-1 Project Machine

“This is a vintage Realistic Moog Concertmate MG-1 analog synthesizer from 1982. It features 32 synth keys and is a keyboard synthesizer. The model is a collaboration between Realistic and Moog. It was manufactured in the United States. The synthesizer is being sold in partially working condition and is being sold as-is.” Click here to visit listing on eBay

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Moog The Rogue

“The Moog The Rogue synthesizer features 32 synth keys, analog sound generation, a pitch wheel, and a modulation wheel. Made in the United States by the renowned brand MOOG, this analog synth is ideal for creating a wide range of electronic sounds.
This unit is in excellent condition. It has only one owner who uses it for home recording, never in a public venue.
I sell this vintage instrument because of family moving to another state.” Click here to visit listing on eBay

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Roland JX-3P

“Nice working condition, works fine , clean some scratches, works fine, comes with power cable 120v ,ready to play .” Click here to visit listing on eBay

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Roland JV-1080

“Roland JV-1080 64-Voice Rackmount Synthesizer Module, Tested Working” Click here to visit listing on eBay

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Roland D-50

“For sale is a vintage Roland D50 synth for parts only. My assumption is that the power supply has gone bad, but I am not 100% sure. A few red lights illuminate when the unit powers on, so there is juice going somewhere, but not to the LCD screen or main board of the synth. Cosmetic condition is quite good for it’s age. Joystick is damaged, but plenty of replacements are available on ebay. Great project for someone who is savvy. Thanks for looking!” Click here to visit listing on eBay

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Roland Juno-106

“Roland JUNO-106 61-Keys 6 Voice Programmable Synthesizer without power cord missing.

no test made and selling as-is as founded condition.” Click here to visit listing on eBay

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Korg 01/W

“Good working condition. Sounds great, comes with power cord – not sure of internal battery life, given its age.” Click here to visit listing on eBay

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Korg MS2000R

“Korg MS2000R Synthesizer W Power Supply. Every Good Condition” Click here to visit listing on eBay

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Korg PolySix with Kiwisix Mod

This is the best and most fully featured PolySix available. All functions working as they should and all additional mods all pro installed and add a ton of functionality to the synth and improve playabilty.

– Kiwisix CPU board –

adds MIDI IN/OUT, full CC control, and tons of additional features that are accessed through the panel controls, the full manual can be easily accessed online which gives a full explanation of all extra features. Has synth overlay attached to front panel to show hidden KiwiSix features.

– Polysex mod –

very interesting modification that adds a much needed pitch envelope to the polysix, as well as mod section that allows you to dial in vintage ‘warble’ all the way up to total harmonic chaos. Can learn more about this from Tubbutec website.

– Stereo pan mod –

allows you to pan each of the six voices as far left or right as you like with onboard trimmers that can be easily adjusted to taste, similar to oberheim, stereo jacks have been installed in back panel below main output. The stereo output is tapped before the effect section, which allows you to record the clean stereo signal along with an effected fx mono signal for more flexibility in the studio.

– Full service manual tuning –

anyone who has attempted tuning one of these knows that it is a labor of love and takes a LONG time to dial in just right, rest assured the time was taken to get all voices very tight to spec.

Post-FX VCF has been bypassed, this is a popular mod for improving the envelope response time of the polysix, more info can be found on the Synth Hacker blog” Click here to visit listing on eBay

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Korg 707

“This one is left from our store closing, never sold or used other than a few times demoed for customers. It’s a 49 key analog modeling performing synth with pitch wheel, MIDI In/Out ports and can be worn onstage using the strap buttons on each aide, comes with an extra sound card library. This versatile instrument is ideal for creating unique sounds in music production and live performance. ” Click here to visit listing on eBay

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Korg EX-800 with Moog Slayer Mod Project Machine

“I did this mod myself and I used this synth a few years ago all the time. I took it out of my closet and it doesn’t power up. No idea what the issue is, could be an easy fix. No power supply included.” Click here to visit listing on eBay

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Korg MS2000R

“This is a lightly used Korg MS2000R. Everything works as it should. ” Click here to visit listing on eBay

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Yamaha CS-40M

“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

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

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Yamaha Tenori On

“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

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

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Yamaha DX9

“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

“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

“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