![]() ![]() ![]() In 1978 Sequential Circuits consisted of Dave Smith, former Moog clinician John Bowen, and businesswoman Barb Fairhurst. Search the Classifieds for this manufacturer. (remote controller keyboard for the Prophet-5) Six-Trak Split-8 Prophet-3000 Prophet-T8 Prophet-VS Remote Pro-8 PRO-FX Pro-One Prophet-5 Prophet-10 Prophet-600 Sequential Circuits Instruments Drumtraks Fugue Max Multi-Trak Model 800 A red Record button is partially sunken into the control panel, which means it is not accidentally pressed.Home Site Map About Us Contact Us Support Us Memories - Once a patch has been set up with the programmer you can store it into one of 64 memory locations, selected by 8 switches (Programs) and a rotary switch (Banks). There is an additional offset control for envelope 2, so that the initial VCF cut-off can be set too. Each envelope has its own VCA so that the envelope volume can be controlled from the 700. ![]() The envelopes are designed to drive the VCA and VCF of the partner synthesizer directly. Two envelopes can be programmed with the usual ADSR and an initial delay - very Dave Rossum! The envelopes are triggered from gate or trigger inputs, usually from the external keyboard. The pitches are quantized to semitone values. Each pitch is controlled by a rotary potetiometer, and a single external control voltage from a keyboard can be optionally added into each pitch with 3 toggle switches. Description - The Model 700 has 3 independent control voltages for controlling the pitch of the partner synthesizers VCO's. The record switch is part of the right hand lower toggle switch. ![]() Here is a Mark 1 model, all the knobs are large, there are no CV trimmers on the top left hand panel and the patch switches are engraved with numbers. Mark 1 - Dave launched the Model 700 in early 1977 and went on to sell one a week, mainly in the USA, for a few years. That would have to wait until the design of the Prophet 5 later in 1977 and the influence and support of Dave Rossum at E-mu Systems. The Model 700 makes use of CMOS digital chips and early RAM chips, Dave didn't use the newly available Z80 microprocessor. In 1977 this was a major step forward, with only Oberheim providing patch memories on its 4 and 8 voice synthesizers. The table top programmer had 64 memories of 3 control voltages to drive the VCO's and two DADSR envelopes to drive the VCF and VCA of the partner synthesizer. The new product provided rudamentary patch memories for analog mono-synths like the Mini-Moog and ARP 2600. Dave and new recruit John Bowden (x-Moog) then went on to create the Model 700 Programmer in the spring of 1977. The initial product was the Model 600 analog sequencer, followed in late 1975 by the Model 800 digital sequencer. Below is a brief description and info I found on-line_ Sequential Circuits Model 700 Programmer Overview Back in 1974 Sequential Circuits was a small music technology company based in San Jose, California and run by Dave Smith from his apartment. I have recently been told that only 25 of these units were made so here's your chance to own a piece of Sequential Circuits early history. Serial number is which I believe indicates that this unit was one of the first ever produced of the 700 series. It has the original, knobs, pots, switches and lighted push-buttons - All in working condition with a nice, rugged feel. 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. 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. 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. 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. RARE SEQUENTIAL CIRCUITS 700 SYNTHESIZER MEMORY / PROGRAMMER 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. ![]()
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