The ProMars Compuphonic was unique largely in part due to its introduction of microprocessor control, hence the term, "Compuphonic." It used an Intel 8048 processor to control the all-analog VCOs, VCAs, and VCFs. This also allowed it to store patches, making it one of the early few analog synthesizers that had patch memory.

The ProMars CompuPhonic has 10 preset sounds and 10 user programmable patches. The preset sounds include Bass, String, Clavi, Piano, Voice, Trombone, Sax, Trumpet, Synth I and Synth II. A very standard and well laid out set of knobs, sliders and edit controls give you the power to create some really cool sounds.

Designed as a partner to the polyphonic Jupiter-4, the ProMars is often considered a monophonic version of the Jupiter 4. However, whereas the Jupiter 4 had only one oscillator per voice, the ProMars features two oscillators (that can be de-tuned). Also found onboard are a nice VCF (filter) with its own ADSR, a typical VCA envelope section, a nice LFO and a pitch/mod wheel that can effect the LFO, VCF or VCA. It even has a noise generator. Nice wood end caps add to its vintage appeal as well. It has been used by Vangelis, Spandau Ballet, Add N To (X), Jethro Tull, and Depeche Mode.

synthloft

June 19, 2009 @ 7:00 pm

I have one of these. They are very versatile as a performance synth compared to many cheaper monsynths. I can coax quie a spectrum of sounds out of mine (sounds typically Roland. The LFO is very cool on the Promars too. You can get it to sound like it has ring mod. Check this out: http://www.youtube.com/watch?v=sL2sv 0KQs4s It's a guy in Prague demo-ing a Promars.

Planetplayer

December 23, 2008 @ 12:32 pm

I played and loved this instrument in the early 1980's. It is a very heavy sounding instrument like a Jupiter or maybe stronger because of less voltage circuitry. It sounds great and nice special FX. I tried maybe a few of these. Once I had one with a lot of noise and it probably was a stores cabling to audio equipment or cable. Basses were great, but I think the Jupiter 8's bass was much stronger. However, the Mars bass was stronger the the Jupiter 6.

Anthony

November 20, 2008 @ 3:11 pm

this synth was also used by the flaming lips in ' W.A.N.D.'
http://www.youtube.com/watch?v=qgTVzmQu_Mk

AC~

Analogue Crazy

August 20, 2008 @ 3:47 pm

This was my first analogue synth and got me hooked on the vintage Roland sound. Very useful monophonic, a mono Jupiter-4 with a second VCO and CV Gate as standard. Great for beefy leads and basslines, though the bass is not too deep.

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