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Sequential Circuits Model 64 Sequencer

“Selling the Sequential Circuits Model 64 MIDI sequencer interface you see in the pictures. Pretty rare and a cool addition to a synth collection. Comes with original box and manual. Some interesting info can be found online about it. It is not tested and it is sold as is. Check out the pictures for a cool ad and more. The condition is excellent for its age but the box is a little beat up.” Click here to visit listing on eBay

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Sequential Circuits Studio 440

“The Sequential Circuits Studio 440 is a classic vintage drum sampler and sequencer. This high-quality piece of equipment is ideal for musicians and DJ’s looking to add some vintage sounds to their productions. It features a variety of different sound effects and filters, making it a versatile tool for any music production project.

This Sampler/Sequencer is perfect for those looking for a unique and authentic sound, and is sure to be a hit with fans of classic electronic music. Its durable construction and high-quality components ensure that it will provide many years of reliable performance.” Click here to visit listing on eBay

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Sequential Circuits Drumtraks

“Introducing the Sequential Circuits Drumtraks Vintage Model 400 Drum – a powerful drum machine with a rich history. This unit is a true classic, hailing from Japan and featuring analog technology. It’s perfect for musicians and producers looking for unique and authentic sounds.

This Drumtraks has been previously owned and well-maintained and is ready for its next home. With individual input/output ports and a variety of versatile features, this unit is an excellent choice for anyone looking to add some vintage flair to their music production.

Condition: Pre-owned and in good condition. There are a few scuff marks and chips on the wood at the corner. The metal body is in good condition. Please review all images. We plugged it in and the lights came on. We couldn’t test the sound. Sold as is.” Click here to visit listing on eBay

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Sequential Circuits Six-Trak

“Sequential Circuits Six Trak Polyphonic Analogue Vintage Synthesiser – 100V

Introducing the Sequential Circuits Six Trak keyboard synthesizer, a classic piece of vintage musical equipment ready to bring your music to life. This analog synthesizer boasts a polyphonic sound and is perfect for those seeking a unique and rich tone. The Six Trak model from Sequential Circuits is highly sought after by musicians and producers alike and is sure to be a valuable addition to any collection.

Condition: Pre-owned and in good condition. There are a few scuff marks on the keys and wood on the sides and front. Please review all images. We plugged it in and the lights came on. We couldn’t test the sound. Sold as is. ” Click here to visit listing on eBay

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Sequential Circuits Prophet 600

“This is a rare Sequential Circuits Prophet-600 Synthesizer, originating from Japan with no brand specified. The synthesizer falls under the category of pro audio equipment, specifically synthesizers, and is a valuable addition to the musical instruments & gear collection. It has unique features that add a touch of authenticity to your music, making it an exceptional choice for musicians looking to create an exceptional sound.” Click here to visit listing on eBay

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Sequential Circuits Multi-Trak

“Bummer to have to let this go, but I’ve no longer the space for a bunch of hardware. Was working last time I powered it on a few months ago, but clearly the battery needs to be replaced. As-is due to age (cosmetically decent, etc…)”
Click here to visit listing on eBay

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Sequential Circuits Prophet 600

“This is a rare Sequential Circuits Prophet-600 Synthesizer, originating from Japan with no brand specified. The synthesizer falls under the category of pro audio equipment, specifically synthesizers, and is a valuable addition to the musical instruments & gear collection. It has unique features that add a touch of authenticity to your music, making it an exceptional choice for musicians looking to create an exceptional sound.” Click here to visit listing on eBay

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Sequential Circuits Poly Sequencer Model 1005

“Vintage Sequential Circuits Poly Sequencer Model 1005.

Clean and in working order, the data and power leads are in great condition.

The unit itself isn’t in top cosmetic condition yet it’s OK, internally it’s perfect. It powers on immediately and the record light starts blinking to indicate it is ready to receive the required data from the connected Prophet 5.

Mains voltage selector to the rear, UK plug fitted. No mini cassettes or other accessories are included.” Click here to visit listing on eBay

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Sequential Circuits Prophet VS

“This Rackmount Sequential Prophet VS Digital Vector Synthesizer was recently fully serviced by original Sequential Circuits personnel David Sesnak at Wine Country Productions and is in perfect working condition.

There is scratching on the top of the chassis as shown in the photos.

Otherwise, this item is in excellent cosmetic condition.

The Sequential Circuits, Inc. Prophet VS Rackmount 8-Voice Polyphonic Digital Vector Synthesizer features

four digital oscillators with 8-voice polyphony and voice panning

analog filters

built-in arpeggiator

two part multi-timbral double and split modes

1/4″ stereo/mono/headphone jacks

MIDI in, out and thru ports

footpedal jack

includes Operation Manual

power cable” Click here to visit listing on eBay

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Sequential Circuits Pro One

“here im selling a very nice example of sequential circuits pro one classic analog synth

its in very nice cosmetic condition and fully working order

has been serivced before and the keybord rebushed” Click here to visit listing on eBay

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Sequential Circuits Pro One

“This unit is in Good to Very Good Cosmetic Condition. It does NOT WORK, and it has an issue with 2 pots on the top left corner. Includes Owner’s Manual and Technical Manual as seen in pictures.
Selling AS-IS, NOT WORKING< NO RETURNS! " Click here to visit listing on eBay

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Sequential Circuits MAX Project Machine

“Vintage Sequential synthesizer, for parts or repair. Unit has not been tested due to missing power supply. Please take note of the numerous missing buttons and corrosion throughout the unit. Dent under main headphone jack on rear. All of the keys feel good with full movement. No other apparent missing or damaged parts. No returns. Please refer to the photos for a further evaluation of condition.” Click here to visit listing on eBay

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Sequential Circuits Pro One

“I bought this Pro 1 brand new from Rod Argents Keyboards, Denmark Street, London, back in August 1982. It was the first synth I ever bought and my favourite too. It has never been gigged, but did spend a few years up my loft. However, for the past 8+ years it has been in my spare bedroom, mainly sitting on a stand doing nothing. I was hoping to get back into my music, but nothing has really happened, so I thought rather than let it gather any more dust, I may as well sell it and let someone else enjoy it. The original manual is still present. PLEASE NOTE Pick Up Only, this will give you the chance to test the machine before taking it and prevent damage in transit.

Needs a service, as the lower F key does not work and some of the pots/knobs could do with a clean-up. Also, small break in top of panel edge (see photo), but nothing major. Additionally, the side panels have been covered in white sticky-backed plastic, which is a little untidy in places. This could possibly be removed and the original wood re-instated, with a bit of time and effort.”

Click here to visit listing on eBay

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Sequential Circuits Prophet 2002 Plus

“The Prophet 2002 Plus was released around 1985! It is a 3U Rack, 8-Voice Velocity-Sensitive Sampler and 12-Bit Multitimbral sampler. This professional-grade instrument features a programmable resonant low pass filter (24dB CEM), dedicated ADSR amp and filter envelopes, LFO capabilities, and 8 individual outputs, all controllable through MIDI. The sample memory accommodates up to 16 samples, recorded at 16-42kHz. Refine your sound with sophisticated editing options, including sustain and release loops, reverse, and splice functionalities.

This unit has been upgraded with the PC877 RAM expansion which upgrades the memory from 256Kb to 512Kb. It also has a brand new Gotek installed and formatted 16gb USB ready to save samples to!

Condition:

This Prophet 2002 has been used.

This unit is in good condition for its age. It shows some general wear like nicks, marks and scratches. There are some marks where some tape use to be, as well as some light oxidisation. Please see all photos for further details.

This unit has been serviced and throughly tested. It has no faults to note.

This unit has been upgraded with the PC877 RAM expansion which upgrades the memory from 256Kb to 512Kb. It also has a brand new Gotek installed and formatted 16gb USB ready to save samples to!

This unit can be set to either 100 or 240V. This means you can use it anywhere in the world, however you MUST ensure that the voltage selector switch has been set to suit your countries mains power supply before powering on. At the moment it is set to 240V. It is ready to plug and play within Australia!

This unit powers on with an IEC cable. This cable will only be included for AU and NZ buyers. ” Click here to visit listing on eBay

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Sequential Circuits Pro One with MIDI

“Experience the incredible sound of the Original Vintage Sequential Circuits PRO ONE Prophet One Analog Synthesizer.

With 37 high-quality keys and a variety of input/output ports including USB out, MIDI (DIN) in/out, and 6.35 mm TRS out, this analogue synthesizer is perfect for any musician or music enthusiast.

This keyboard synthesizer also features a pitch wheel, modulation wheel, and a pedal input, allowing you to create a unique sound that is all your own.

Whether you’re a professional musician or just looking to dabble in the analogue synth world, the Sequential Circuits PRO ONE is the perfect addition to your collection.

Refurbished with MIDI in and MIDi out.

As you can maybe tell by the video. I don’t really want to sell this. This is one of my favourite synths ever. Howeve, it’s in excellent, wonderful condition and it needs to be played more than I play it.” Click here to visit listing on eBay

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Sequential Circuits Pro One Project Machine

” One of the knobs are missing. One of the pods has little resistance and will likely need to be fixed. The unit turns on but I am unable to fully test it. The wire has some imperfections on it as shown is some of the photos. The unit has some cosmetic wear. The keyboard piece is currently detached from the board and will be shipped out separated. There are some screws that I will ship out in a small bag. Everything that is included is shown in the photos. The unit is being sold as is for parts and repair. Please see photos for more information about the condition and any imperfections I might have missed. Again the unit is being sold as is. Thanks for looking. ”
Click here to visit listing on eBay

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Sequential Circuits Prophet 10

“Sadly looking to sell my p10 due to having to find funds for a new roof 🙁

Its mint fully functional only sat on a stand in my house since new

Purchased about 2 years ago

Boxed manual and power lead

Will post some better pics when get time” Click here to visit listing on eBay

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Sequential Circuits Prophet 600

I am selling my Sequential Circuits Prophet 600 6 voice analogue Polysynth.

For an instrument that is 40 years old it’s in excellent condition and sounds fantastic. Everything functions as expected.
“It has the GliGli mod installed and is running the latest (V2022 by Imogen) firmware which is running flawlessly. This new firmware brings a heap of functionally to the synth including an LFO with a much wider range, different LFO shapes, you can dial in different envelope behaviour, etc. More info on this can be found from a simple internet search. Alternatively just ask me and I can give you more information if it’s helpful. These improvements bring this into line with more feature laden poly synths and make it a very versatile instrument while retaining an easy and intuitive workflow.

I have had the cheat card printed. This makes implementing the new GliGli functions simple and straight forward.

When I purchased this from the previous owner they listed it as having been serviced. I don’t have any of the details of the service but given that it’s had the Teensy mod fitted this would suggest that other aspects of it will have been serviced. I appreciate that’s not particularly concrete but I want to be completely transparent with the information in the listing. What I can say is that everything functions as it should with the membrane panel working perfectly, and all keys and pots working as you would expect them to.

This synth genuinely sounds fantastic, alive and expressive. It has been my favourite sounding analogue poly that I’ve owned by a mile. I am only looking to sell it as I’ve just got hold of its big sibling the Prophet 5 and there’s so much cross over in terms of sound and function that I can’t justify keeping both.

It comes with a US plug hardwired but I will include a transformer that will allow it to work on UK power. I have enquired with several synth technicians in the UK and it’s apparently possible to change this to a UK type plug. I’ve never felt the need to do so as it works flawlessly as it is.

It also comes with a Thon hard flight case which the prophet fits snuggly inside of.

I have also had the manual for the latest GliGli firmware printed and bound professionally which I will include” Click here to visit listing on eBay

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Sequential Circuits Prophet 600

“This 600 comes with Fatar keybed and new wood ends and overlay. Comes with power cord, GLIGLI and the leftover electronics if you want to switch it back to the original. the GLIGLI mod opens it up though. Super clean 600.” Click here to visit listing on eBay

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Sequential Circuits Pro One

” Sequential Circuits Pro 1 synthesizer in superb condition. I have owned this from new for about 40 years after buying it from Rod Argent’s shop in Denmark St in London, and apart from a few gigs in the 1980s it has spent its whole life in my home studio with only light use. It is the more desirable j-wire keyboard model and I have recently replaced all the key bushings so it plays like new again. All the controls work and are noise free (there is some slight noise at one point on the filter amount knob but I’ve never found this to be a problem in use). Note that there is no midi capability on this synthesizer but it can be added by using a Midi to CV converter such as the Kenton Electronics Pro Solo Mk3.
Also included is the original operation manual which explains how to use everything and how to adjust the tuning and scales, although I’ve rarely needed to do this as it has always been very stable. I will also include the original box that it came in, which is serviceable but looking a bit faded and tatty after so many years in my loft.
I have listed this as collection only due to the synth’s high value and the risk of it getting damaged in transit. ” Click here to visit listing on eBay

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Sequential Circuits Prophet 5

“Sequential Circuits Prophet 5 Rev 3.3

Classic analog poly synth. Everything works perfect with no issues at all.

Has been upgraded with Kenton MIDI, a new Fatar keyboard, and modern internal PSU, which runs cool, and allowed for IEC socket to be fitted to the rear.

At the same time as the mods were fitted, the Prophet was recapped.

The new keyboard plays like a dream, no more having to clean the contacts for double triggered notes.” Click here to visit listing on eBay

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Sequential Circuits Multi-Trak

“This hard-to-find synth is in very good working and cosmetic condition. There is wear and tear common to units this old. Please see pictures for condition.

It comes with an aftermarket power supply.Condition comments of note:
-The Stack button needs a little more of a push than usual, but otherwise works fine.
-There’s some minor discoloration on the keys and some of the buttons, most visible in the pictures when you look at the first A key. Neither I nor the previous owner could explain it. But the keys work totally fine; it’s a cosmetic that’s never bothered me.
-There’s what appears to be old, dry tape residue on the bottom. Again, never bothered me.

This thing is tons of fun and underrated. It’s a multitimbral 6-voice VCO analog poly. It has the option to use 6 different outputs, and you can stack different voices on top of each other! Pretty neat for a vintage synth!

It also has an onboard chorus. It’s no Juno chorus, but I think it sounds great, and you can control depth and rate.There are also onboard arps and sequencers. They work, but I’ve never used them much.” Click here to visit listing on eBay

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Sequential Circuits Prophet 600

“Sequential Circuits Prophet 600 with GliGli

Classic 6 voice analogue polysynth. This synth is capable of a diverse range of warm analogue sounds, from soft pads to fat basses and everything in between. It comes with factory MIDI for external control and has been upgraded with the fabulous GliGli mod (currently running v2.0 although this can be easily updated to the more recent v2022). This upgrade greatly expands the functionality of the synth and full details of GliGli V2.0 can be found here –

Gligli CPU Upgrade for Sequential Circuits Prophet 600


.
The original end cheeks have been replaced with much nicer custom made oak end cheeks (see photos). I also have an old hardcase for the synth which I can include in the sale if wanted.

The synth is in great condition and has no issues. ” Click here to visit listing on eBay

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Sequential Circuits Prophet VS

” Reluctant and sad sale but I just don’t use this enough to justify keeping it in my studio anymore.
This great and rare synth will be leaving me in a better state than it arrived and I’m happy to have funded a few improvements to it’s health and longevity.

Prophet VS Rack unit
Shalebridge 1.45 OS (3rd party improvements on official OS releases)
Synthtaste Power Supply (replaced original power supply with new Synthtaste unit). https://www.synthtaste.com/en/synth-service-product-upgrades/sequential-circuit-service
New OLED display
Prophet VS Model 240 RAM cartridge
Prophet VS 241-02 ROM Cartridge
Original Manual
All maintenance/upgrade work performed by Warren McAllister former owner of Phase Engineering Sydney
VS ships with original OS 1.2 chips that were removed when the Shalebridge 1.45 OS was installed and original LCD display.

Quick summary of Shalebridge OS new features and bug fixes:

NV PROGRAM NUMBER: Program Number is now remembered after power off
DATA INC/DEC: Data increment/decrement function has been added for fine adjustment
LFO SYNC: By default the VS has free running LFOs. If you change the 8th digit of the patch name to an ‘S’ (e.g. “Zenny 1S”) then both LFOs are synced to the keys. If the 8th digit is an ‘X’ (“Zenny 1X”) only LFO 1 is synced. LFO 2 will free-run!
ARP SYNC: Arpeggios are synced with the playing of the first note. Clock is reset when the first note is played.
LFO Sync & ARP Sync menu options: Adds “LFO Select” and “ARP Option” menu items, both are global features and saved in memory.
MASTER TUNE: Under the master tune screen a field has been added which provides a +\- 12 semitone transposition!!
LOCAL ON/OFF: Under the MIDI options switch a screen has been added to provide local keyboard enable and disable.
NRPN MSB/LSB IN & OUT: The original software had the byte order flipped LSB->MSB so many controllers (BCR2000, BeatStep Pro, etc) would not function correctly. HUGE IMPROVEMENT!
MIDI BUG FIX: In the original code, both ARP Rate and Split Point were disabled in the MIDI routine. The ARP Rate MIDI bug is fixed so now its NRPN controllable. If the ARP is off and you send the Rate NRPN then the ARP will turn on.

VS will ship with 240v selected and appropriate fuse for that voltage. Please be sure to make appropriate voltage selections for region before powering on.”
Click here to visit listing on eBay

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Sequential Circuits Multi-Trak

“This hard-to-find synth is in very good working and cosmetic condition. There is wear and tear common to units this old. Please see pictures for condition.

It comes with an aftermarket power supply.Condition comments of note:
-The Stack button needs a little more of a push than usual, but otherwise works fine.
-There’s some minor discoloration on the keys and some of the buttons, most visible in the pictures when you look at the first A key. Neither I nor the previous owner could explain it. But the keys work totally fine; it’s a cosmetic that’s never bothered me.
-There’s what appears to be old, dry tape residue on the bottom. Again, never bothered me.

This thing is tons of fun and underrated. It’s a multitimbral 6-voice VCO analog poly. It has the option to use 6 different outputs, and you can stack different voices on top of each other! Pretty neat for a vintage synth!

It also has an onboard chorus. It’s no Juno chorus, but I think it sounds great, and you can control depth and rate.There are also onboard arps and sequencers. They work, but I’ve never used them much.

This will be fragile-packed and shipped insured by FedEX for our collective peace of mind. :)” Click here to visit listing on eBay

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Sequential Circuits MAX

“Up for auction is this AS IS – NOT WORKING Sequential Circuits MAX MIDI Voice Expander

This unit is being sold in “AS IS” and “ALL SALES FINAL” condition.

The unit is in very good cosmetic condition. There are no internal sounds and the recorder does not work. May be used for MIDI use only. Power supply NOT included.

Please note: There may be additional items missing, broke, or that may need repair. ” Click here to visit listing on eBay

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Sequential Circuits TOM

“Up for sale is a great example of the Sequential Circuits TOM.

The unit has been recently serviced – this included installing a new set of front panel switches, cleaning the trigger buttons and also installing the Tauntek TOM16 sound bank upgrade.

The TOM16 upgrade gives you 16 sound banks to select from, adding hugely to the sonic potential of the unit. This is v1.2 of the upgrade and includes the option to allow external cartridges to be used at the same time.
Also included is the HKA Classics Cart with 8 banks of DX/DMX/LM1/Linndrum sounds.

Cosmetic condition is really tidy, with only minor marks and blemishes.

The unit is 100v, so a step down power transformer may be required depending on your location.”
Click here to visit listing on eBay

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Sequential Circuits Poly Sequencer Model 1005

“Vintage Sequential Circuits Poly Sequencer Model 1005.

Clean and in working order, the data and power leads are in great condition.

The unit itself isn’t in top cosmetic condition yet it’s OK, internally it’s perfect. It powers on immediately and the record light starts blinking to indicate it is ready to receive the required data from the connected Prophet 5.

Mains voltage selector to the rear, UK plug fitted. No mini cassettes or other accessories are included.” Click here to visit listing on eBay