Wine Country Sequential Is Winding Down

This the end of an era. Wine Country Sequential was formed by ex Sequential Circuits employees when the original Sequential Circuits went under. They specialized in servicing and providing parts for vintage Sequential Circuits synths. I actually own a Wine Country "Perfect Prophet-5" myself.

via Wine Country Sequential:

"The Long & Winding Road Ends..Soon

It's been 46 years since musicians experienced the polyphonic sounds of a Prophet-5, and 41 years since the Prophet 600 introduced MIDI to the world. Sequential Circuits Prophets have made significant contributions to music, film, & theatre for decades. Since 1987 keeping the Prophet sound alive has always been the goal of Wine Country Sequential, and it's been a long and interesting ride. The ride is now over, Wine Country Sequential repair services for Sequential Circuits Prophets ended in December 2023. However, Wine Country Sequential remains open for business as the liquidation of original Sequential Circuits parts & manuals in order to help vintage Prophets survive in the decades to come.

Liquidation of Sequential Circuits parts, manuals & archival documentation continues. Original Operation & Technical Manuals, Printed Circuit Boards, custom IC's, sound programs, Diagnostic ROMs and various other parts are available for most Sequential Circuits instruments. Wine Country Sequential will remain open for business in 2024 until the parts are gone.

Visit WineCountrySequential.com and SequentialCircuits.com for updates reflecting current availability of parts as the liquidation continues.

The Last Restored & Warranted Prophet 600 for sale by Wine Country with a 30 Day Parts & Labor Warranty is currently posted on SequentialCircuits.com at https://sequentialcircuits.com/prophet600forsale.html

Coming soon to SequentialCircuits.com is a Collector's Corner page offering original manuals, memorabilia, brochures, and even complete original engineering fabrication drawing packages for Sequential Circuits Prophets, drum machines, & other synths.

Thank you for your previous interest, and best of luck with your music.

Kind regards from California,

David Sesnak
General Product Manager
WINE COUNTRY PRODUCTIONS INC.
San Jose, CA 95118 USA"

Wine Country Restored Sequential Prophet 5 rev 3.3

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

"Vintage Prophet 5 rev 3.3. Works perfectly, was restored by Wine Country. Has new key bushings. A little bit of screen print is rubbed off, a few of the keys are starting to yellow. Condition is 9.5 out of 10. Comes with spare original NOS pots, and original NOS chips- 3 types of cem's and ca3280's, original manual and service manual, restoration certificate, and a road case for storage."

CLICK FOR MORE »

Sequential Circuits Prophet 600 SN 1591

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

"In great condition, I bought it from the original owner and recently got it repaired through wine country. They installed 6 new IC’s and a new membrane panel, around 600 in new parts plus the latest OS was installed. See receipt, manual also included."

CLICK FOR MORE »

Sequential Circuits Prophet 5 Rev. 1 SN 0056 w/ Koa Wood

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

Update: new pics added below.

"1978 Prophet 5 Rev. 1 SN#0056. Completely tunes and restored in condition of fully operational by Wine Country Productions, in November, 2016. Only fire up for testing and never use any project since then. Rev. 1 and Rev. 2 use SSM chip, much fatter but issues on power supply going too hot and drifting tunes. This machine added large heat sink to prevent such issues and very stable. Rev. 1 produced only 182 units hand made at Dave Smith’s garage. Comes with Corticate of Restoration. Replaced parts includes 1x SSM2020 dual VCA IC, 2x SSM2030 VCO IC with tempco, 1x SSM2050 ADSR IC meaning core parts are new and no visible damages as well. CV and Gate inputs allows to drive this synth from the external sequencer."

CLICK FOR MORE »

Sequential Circuits Prophet 5 Rev 3.3 with MIDI SN 5833

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

"This is a mint condition Sequential Circuits Prophet 3.3 serial # 5833 with a midi kit and 120 presets. It was restored professionally by Wine Country a few years back and works beautifully. Badges are without a scratch and all pots are smooth and have no scratches either. Has been kept in a smoke free studio and is ready to be loved and taken care of by someone else. You will not find a better maintained Prophet V out there as this was my baby.

Fuse, fuse holder assembly, backup battery, 2114 RAM IC have all been replaced. Power supply completely rebuilt. Pratt-Read keyboard restored. I have the repair records to show precisely what work was done and by whom."

CLICK FOR MORE »

VINTAGE PROPHET 600 SYNTHESIZER SN 3654 with Original Box

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

"This is a super clean Sequential Circuits Prophet 600 with the factory original box and foam packaging. It just received a thorough servicing and tune up from Wine Country Productions last year and is in excellent working and cosmetic condition."

CLICK FOR MORE »

SEQUENTIAL CIRCUITS SIX-TRAK w/ VERSION 11 ROM

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

"Re: OS Version 11. From the Wine Country website: 'Six-Trak Version 11 ROM offers the ability to sync the on- board sequencer to non-Sequential tm MIDI Clocks, plus non-volatile MIDI Mode settings'"

CLICK FOR MORE »

Sequential Circuits Prophet VS Rack SN 0404 Restored with 2 RAM Carts & Extras

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

"Very Rare and Great Condition everything works Certificate of Restoration from Wine Country Productions included with Manual, 2 RAM Cartridges and Preliminary Service Data with Schematics."

CLICK FOR MORE »

1983 Sequential Circuits Drumtraks 400 with Wine Country Upgraded OS 0.4

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

"Awesome rare drum machine from Sequential Circuits. It has the Wine Country upgraded OS 0.4 which adds several MIDI related features. In excellent condition and fully working!"

CLICK FOR MORE »

Sequential Circuits Prophet 3000 - Rev B - 4MB memory - Working SCSI- Library

Note: Auction links are affiliate links for which the site may be compensated.
via this auction

via the seller: "Up for auction is my beloved fully restored Sequential Circuits Prophet 3000. This is a project I've worked on for many years. I've spent a lot of money and even more time getting it to where it is today. I don't think you'll ever see another one like it for sale.

Included in this auction:

Sequential Circuits Prophet 3000 Rev B with 4MB of ram installed
Remote Control with blue backlit screen
Properly formatted and working SCSI drive.
Custom analog sound library (50 sets)
Case of factory library disks
Operaton Manual
Service Manual with Schematics
OS disks and diagnostic disks
Wine Country Prophet 3000 Survival Kit
3 extra 1MEG DRAM Chips for memory
Extra Floppy Disk Controller IC
New Buttons on Remote
New Pots on sampler
New refurbished floppy disk drive

Here's the back story:

I bought it close to 10 years ago on ebay from a woman in Italy. It's a Rev B unit so the memory was able to be expanded from 2MB to 4MB. I painstakingly tracked down the 1MEG DRAM IC's and upgrade the memory, so this unit does in fact have 4MB of Ram installed. I then turned to the screen on the remote control. When I bought this unit, the backlight of the remote control was burned out, just like every other unit I have ever seen. Again, I did a bunch of research and figured out a replacement screen for it. The original backlight was white, but I used a blue one because… why not.. The life on this screen is something ridiculous like 10's of thousand of hours. I then replaced the floppy drive because I was having trouble loading disks, so it has a refurbished floppy drive in it now. I then turned to the SCSI to see if I could get that working, I've never really seen one before with a working SCSI drive, but after tracking down the right kind of drive with the correct formatting I was able to get it working nicely. The fan on the drive is a bit noisy but that's what you get with old technology. I'm sure it could be modded to be nice and quite. I then ran across this guy in Ohio who owned an analog synth repair shop. He also owned a Prophet 3000. So whenever a synth would come in for repair he would sample it with the Prophet 3000. He had since sold his Prophet 3000 but he kept the library he created for some reason. I convinced him to sell it to me and that's what's inside the white box in the second photo. A lot of the disks were old and it often took multiple tries to get them to load into the sampler. Only a few of them were unsalvageable. Because I didn't feel like dealing with shoddy disks I went through and made copies of the entire library onto new Sony disks. That's whats inside two of the floppy disk cases you see in the second photo. The third floppy disk case is full of factory disks bought from Wine Country Sequential. There's nearly every OS that came out for the Prophet 300 in there. There's also the diagnostics disk which I used to show that all the memory is working properly and is in fact expanded to 4 MB. Other maintenance I've done on this unit include installing all new buttons on the remote control, new potentiometers on the sampler itself, and I've replace most of the SCI proprietary IC's with new ones from Wine Country Sequential. I'm also including the Prophet 3000 Survival Kit from Wine Country. Some of the IC's in it are the ones I replaced but were perfectly fine, and some are still the new ones. I also have 5 additional 1MEG DRAM chips that I'm including in case one of them goes bad (for the memory). Also included is the Operation Manual and the Service Manual with Schematics in a binder. I think that about does it.

*** in fully disclosure the Prophet 3000 was Sequential's last product they were developing before they went out of business. Very few of them were released to the public as they were really still in beta testing mode. The result is that all the kinks were never completely worked out of the OS so they tend to be a bit buggy at times. I've heard of units that you can't work with because of this fact. However, while this unit can sometimes do some quirky things, it really works well and is pretty stable in my opinion. If you purchase this unit you're purchasing the quirks of it too, it just comes with the territory."

CLICK FOR MORE »

Sequential Circuits Prophet 600 Analog Synthesizer Wine Country Restored SN 2293 - Video

Note: Auction links are affiliate links for which the site may be compensated. Uber DSI for KORG KRONOS Full Demo pt.1 Prophet 600 Tetra Analog

Published on Jan 8, 2014 SynthgodXXX·42 videos

Prophet-600 via this auction (see the seller's other listings for sample packs)

via the seller: "Fantastic condition Sequential Circuits PROPHET 600 Restored by Wine Country in early 2013. I have the certificate of restoration & manual, they will be included in the sale. Serial #2293 It is in great physical shape with a few scratches on the wood ends & some scratches next to the POLY MOD & FREQ A sections. (SEE PICS) Master Tune needs to be set to RIGHT 5, I don't know if that is something Wine Country did in their restoration, but it needs to be set that way. It stays in tune without needing it to tune very often, especially after 20 minutes of warming up. This synthesizer works & sounds EXCELLENT! Check out the link to the video to hear this synthesizer in action! It is this Prophet 600 in this sale I used for the video for my sample collection. It is from my exclusive sample collection for the Korg Kronos called UBER AMERICANA! It featues Uber MOOG & Uber DSI sample collections in one collection! All sounds you hear on this video are from this specific Prophet 600!"

CLICK FOR MORE »

Wine Country Restored Sequential Circuits Prophet VS Rack SN 0134

Note: Auction links are affiliate links for which the site may be compensated.

via this auction - learn how to sell on eBay here
yousenditworks (RSS)

"For sale is a rare Sequential Circuits Instruments Prophet VS vintage analog/digital synthesizer. This is one of my favorite synths of all time, the first synth that had Vector Synthesis. Every aspect is amazing, the arp/sequencer, filters, waveforms and especially the joystick. Perfect for ambient pads, effects, soundtrack composition, but also with analog acid basslines, leads and more. This synth is in excellent near mint shape and fully functional. This one has been restored by Wine Country recently (the original SCI guys), so you know it will be good to go for years to come. The only issue is the slider is loose and breaks off, but you can still use it fine since it fits into place (as shown in the picture)..."

CLICK FOR MORE »

Sequential Circuits Vintage SCI DRUMTRAKS Drum Machine with Mods

Note: Auction links are affiliate links for which the site may be compensated.

via this auction - learn how to sell on eBay here.

Pics of the inside below.

"1984 Sequential Circuits Drumtraks, drum machine, updated by Wine Country Sequential. This unit has lived in a climate controlled studio for nearly 30 years, I opened up the chassis so you can see exactly what sound chips are in there. You can see in the pictures, three added switches on the right side of the unit, these three added switches add extra sounds, also a bigger heat sink, was installed and watch out now, because this guy actually does get a lil hot. This unit is 100% functional and is in good shape with just a couple of minor dings and scuffs, but look great for being 30 years old..."

CLICK FOR MORE »

Sequential Circuits Prophet VS Synthesizer SN 0118 with Extras

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

Interesting note from Wine Country Sequential regarding the pressure sensors. The Prophet VS is known to have their aftertouch go out over time.  Wine Country Sequential was formed by ex Sequential Circuits employees and is still in business today.  You can read up on their history here.  The Prophet VS of course was the first Vector Synthesizer with four digital multi-waveform oscillators and a CEM based analog filter.  You could use the joystick to morph the levels between the oscillators.  Recent synths that contain the Prophet VS waveforms include the DSI Evolver, MEK and PEK and the John Bowen Solaris.  The Evolver, MEK and PEK only have two oscillators available with the Prophet VS waveforms while Solaris has four plus other waveforms of course.  Vector Synthesis made it's way into the Yamaha SY22 and TG33 followed by the KORG Wavestation line of synths.  None had analog filters.  The SY22 and TG33 allowed you to record the path of the joystick movement and the Wavestation added wave sequencing where you could loop through selected waveforms in sequence.

Via the seller/listing: "Classic 80's synth. I'm the original owner. Bought in 1986, serial # 0118. I'm including the original owners manual, sales brochure, 2 ram and 1 rom cartridge, power cord, soft shell case, technical information and schematics. I'm listing it in very good condition. Studio use only. Never been on the road. Had upgrades from both Sequential and Wine Country Sequential. The only issue that I know of with this synth is that I cannot guarantee that midi "aftertouch" also referred to as "pressure" will reach it's maximum value (127) when played from it's own keyboard. It will respond to the maximum value when played via midi cable from another keyboard or computer. Modifications 738 and 739 were performed by Sequential to address this design problem. The pressure pads have also been replaced. If not for this particular design flaw, I would have listed this instrument in excellent condition. This is an awesome sounding keyboard, like no other synthesizer in my personal opinion."

CLICK FOR MORE »

Sequential Circuits Pro One J-wire [Wine Country Serviced] SN 1111

Note: Auction links are affiliate links for which the site may be compensated.
via this auction

CLICK FOR MORE »

Sequential circuits studio 440

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

"This 440 works perfectly and comes with one floppy disk "wine country 441--1 Performance series" and power cord. This 440 has a new floppy drive, new pads, and a new slider from Wine country. The backlight does not work but the screen is still visible..."

Wine Country Sequential Refurbished Prophet 5 Rev 3.3

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

"Vintage Prophet 5 Rev 3.3 for sale. This classic analog synthesizer was just refurbished by Sequential Circuits very own Wine Country Sequential experts, so this synth is in perfect working order. Comes with 120 patches and MIDI I/O..."

CLICK FOR MORE »

Sequential Circuits Prophet 10 SN 1010-0143

Note: Auction links are affiliate links for which the site may be compensated.
via this auction

"I am the original owner of this Prophet 10 purchased new in 1982. The serial number is 1010-0143. The synthesizer was used mostly in the studio for the first five years I owned it, and has been in storage for the remainder of the time. The unit is in very good working condition.

The unit has been serviced twice, once in Phoenix, Arizona where the Ugly Mod referenced below was done. I recently had it serviced in Colorado for a sticky note and an overheating problem. I have restored the factory presets. The Braemer tape drive referenced below no longer works, but the poly sequencer does.

I contacted the good people at Wine Country in regard to having the MIDI kit installed, and decided to not have it done since it would disable the poly sequencer. The emails from Wine Country are printed below.

'Your Prophet-10 should also have the Ugly Mod installed on its CPU board if it is not already present. The ugly mod centers around IC #21 on the Main CPU board, and pictures of the mod are attached for your review. You might do a visual check to see if this Modification is already implemented on your CPU board. Later models of the Prophet-10 (with the tape drive mounted on the left side panel) had this modification incorporated into the PC board design.

If your Prophet-10 has its tape drive located in the front under the pitch/mod box, then the tape drive AND poly sequencer will be DISABLED upon installation of the MIDI kit. A Prophet-10 MIDI kit is available for $299, and installation & operational instructions are included. Attached for your review find the operating instructions for the MIDI kit.

If your Prophet-10 has its tape drive located in the front under the pitch/mod box, the tape drive AND poly sequencer will be DISABLED upon installation of the MIDI kit. Should this be the case then it might be best to hold off on installing MIDI at this time.

However, if the tape drive is on mounted the left panel, then installing MIDI might be justified since it does not disable the on board sequencer and adds MIDI to the Prophet's list of features thereby increasing its perceived overall value. A Prophet-10 with MIDI and a side tape drive represents the highest level of upgrade.'"

Sequential Circuits PROPHET T8 SN 461

Note: Auction links are affiliate links for which the site may be compensated.
via this auction

"This Sequential Circuits Prophet T8 is in good condition and works perfectly. It was fully checked out by Wine Country in June of 2011, and has been in its road case since..."

Sequential Circuits Prophet VS Rack

via this auction

SN 0296

via the seller: "I had it serviced by Wine Country earlier this year and it has a brand new data slider as well as backlight."

See Perfect Circuit Audio (RSS) for more.

CLICK FOR MORE »