Model 700, Sequential Circuits @ 04 August 2016, Comments Off

used model 700 ” This listing is for one late-70s vintage Sequential Circuits Model 700 Programmer in worn but good cosmetic condition and excellent functional condition. It recently underwent full electronic restoration by genius tech Dave Brown and is working perfectly. He posted full details of the restoration on his modularsynthesis website. Unit has attached power cable and is a 120V model.
This is a Mk 1 unit and is likely a bit of history, I think Dave Smith was making these by hand. There is no microprocessor, all switching, sequencing and memory is analog.

You might ask “what do I need a programmer for now that I have midi/Expert Sleepers/eurorack/etc?” While that was its original intended use think of it this way:
–You have 2 DADSR envelopes with attenuation and 3 manual voltages
–You can save these settings in 8 banks of 8 settings
–You can then step through each back in 1-8 steps with an analog trigger or gate, essentially making an 8×3 sequencer with different envelope settings per step!
–Also, there is a transpose input so you can run a keyboard 1v/oct cv in and transpose your voltages (individually selectable for each of the 3 voltages)” Link

Model 700, Sequential Circuits @ 10 March 2016, Comments Off

model 700 “This is a VERY RARE Model 700 Programmer by Sequential Circuits. It was a product designed to allow you to save presets for your CV based analog synths. Just check it out online for all the details, features and specs.

This one will need some service, so it’s priced very cheap compared to what they typically sell for. It does power on, but the 2-digit LED display rarely shows any data, and controls/lights aren’t doing anything. I would assume that the internal battery does need to be replaced, but no clue beyond that what will be involved in getting it up and going. There also appears to be something missing on the back right above the Output – Input label (see pictures).

This was a piece we had the intentions of refurbishing and keeping here, but there has just been no time whatsoever, and it needs a new home.

Again, selling it strictly as-is at this price (no returns), MUCH CHEAPER than these sell for in the rare cases that they do show up. If you’re up for refurbishing it yourself, grab it now and save yourself a bundle!” Link

Model 700, Sequential Circuits @ 24 September 2015, Comments Off

prelude“This is a very rare Sequential Circuits Model 700 Programmer designed to work in tandem with synths like Arp 2600s, Minimoogs (with CV) and other analog synths that didn’t have the ability to store patches to have some of that capability. It includes a lot of great on board features. This particular unit still has the box and was barely used making it very close to new for such a vintage piece from the late 70s!” Link

Model 700, Sequential Circuits @ 05 September 2013, Comments Off

“Sequential Circuits Model 700 Programmer Mark 1 A rare and unique item. In good physical condition, no rust, no major scratches or dents, It powers up but does not work properly. It needs technical help. It has not been used in many years. No returns” Link

Model 700, Sequential Circuits @ 25 October 2012, Comments Off

“Sequential Circuits System 700 programmer device synth computer

no idea what this is, looked online and says it is some sort of rare programmer? for old keyboards.

found in a box in a new studio we moved into.

powers on perfectly, unit is in incredible cosmetic condition and looks like it was well taken care of. buttons change the numbers on the display. cord is perfect, no fraying. whole unit looks in great condition!

selling as-is as was certainly used and i have no idea what it is/ does.” Link

Model 700, Sequential Circuits @ 28 June 2012, Comments Off

“For sale is a vintage Sequential Circuits Instruments SCI Model 700 programmer. This is an old analog programmer that came before the Prophet 5 and was a predecessor for patch storage features. It also has a built in 8 step sequencer. Very cool features and can still be versatile and useful for analog synths and especially modulars like an Arp 2600. I’ve read only a couple hundred of these were ever made, and I haven’t seen another one of these for sale in years. Great to add to your Sequential Circuits collection. This came out of storage and hasn’t been powered up in years. I am selling it as is, untested, as I don’t want to power it up in case damage may occur. It should be checked out by a capable tech, as old synths like these likely need some caps replaced. Otherwise looks in great shape. See pictures below for more details. Don’t miss out! ” Link

Model 700, Sequential Circuits @ 09 June 2011, Comments Off


This vintage analog synth programmer was designed and developed by Dave Smith, founder of Sequential Circuits back in the later part of the 1970′s. This particular unit was used on a Mini-Moog to assist in live performances and offered extremely swift and accurate recalls of analog synthesizer parameters.

Overall, I’d say that this unit ranks a 7 out of 10 due to some of the lettering has worn off the front panel, there’s a few light scratches, and there is a small amount tape residue on the top of the real panel [see photos]. Unfortunately I was unable to test it but was working fine and trouble-free when it put in storage – a bedroom closet – about 10 or so years ago so I can not say if it’s working or not [However, When last used, it offered smooth, easy and trouble-free operation]. The unit powers up and the red LED display is strong & bright and the unit steps through the bank & program numbers like it’s supposed to. It has the original, knobs, pots, switches and lighted push-buttons – All in working condition with a nice, rugged feel.

Serial number is 700-0024 which I believe indicates that this unit was one of the first ever produced of the 700 series so here’s your chance to own a piece of Sequential Circuits early history” Auction ended. Click here to browse on eBay.

Model 700, Sequential Circuits @ 14 April 2011, Comments Off

“Biete hier an , einen sehr ,sehr seltenen Sequential Circuits Modell 700 Programmer

Der Programmer ist in einem dem Alter entsprechenden wirklich guten Zustand und natürlich voll funktionsfähig .

Der Modell 700 Programmer wurde von Sequential entwickelt um damit andere analoge Synthesizer zu steuern und mit zusätzlichen Möglichkeiten zu versehen .

Eigendlich entwickelt als Zubehör für den ARP 2600 und den Minimoog , kann aber auch an jeden anderen analogen Synthi mit Steuerspannungseingänge angeschlossen werden .

Idealerweise ist der Modell 700 Programmer an modulare Synthesizer wie z.B Roland System 700 / 100 , Arp 2600 div Moog usw. anzuschliessen .

Wird mit Anleitung als PDF geliefert

Technische Daten hier in Kurzform :
Analog Synthesizer Patch Programmer MKII Version
64 non-volatile memories
3 control voltages (VCO’s)
2 DADSR envelopes /Hüllkurven
2 interne VCA’s
768 bytes of RAM
2 digit LED display” Auction ended. Click here to browse on eBay.

Model 700, Sequential Circuits @ 24 February 2011, Comments Off

“For sale is a Sequential Circuits Model 700 Mark 1 Programmer in perfect cosmetic condition, and as far as I can tell works properly. It powers up and all the switches and knobs work and feel very smooth. I haven’t plugged this into any modular CV synths to test it but I have no reason to believe it’s not functioning properly. I would recommend that you send this item to Wine Country and have it looked over. This is a very rare item and only a few were made in 1977.” Auction ended. Click here to browse on eBay.

Model 700, Sequential Circuits @ 09 September 2010, Comments Off

“This is a VERY RARE piece of equipment that may be of interest to some vintage synth fans. Though I have no means to test it out for lack of a synth, it does power up no problem. See below for an explanation of the unit. This is a Mark II version.” Auction ended. Click here to browse on eBay.

Model 700, Sequential Circuits @ 09 September 2010, Comments Off

“Up for auction are two Sequential Circuits Model 700 Programmers.

Historically, these are very significant as they were one of the first products manufactured by Sequential Circuits, when Dave Smith was operating out of his apartment in San Jose.
Condition: Both units power up. One unit has a faulty display. The switches seem a bit stiff. I do not have the ability to test these, so they are being sold *as is*. ” Auction ended. Click here to browse on eBay.

Model 700, Sequential Circuits @ 22 October 2009, Comments Off

model,700 “This early-model Sequential Circuits sequencer works great with synths like the Prophet 5, Prophet 600 and T8. It is in VG+ cosmetic condition with no dings or dents and just a few scratches, too imperceptible too photograph or even notice from 12″ away. Works perfect, no issues. As you know it is difficult and annoying to use Company A’s sequencers with Company B’s equipment and vice versa. It is much more gratifying to be able to match features. So here’s an opportunity to do so with one of the name brands in the business!” Auction ended. Click here to browse on eBay.