The Sequential Pro One is a wicked little monosynth! It comes from the same period and genre as the Roland SH-101 and Moog Prodigy. The Pro One was basically Sequential's attempt at taking their legendary Prophet 5 poly-synth and packing it into a compact, inexpensive, monophonic analog synth! It has two VCOs, a great 4-pole lowpass filter, two ADSR envelopes (one for filter), and a compact three-octave keyboard. With a Pro-One, you can easily create punchy analog bass-lines and leads or quirky analog synth effects.

The Pro One is an extremely flexible synth with lots of modulation possibilities (ie: the filter, VCO B and LFO can modulate VCO A or B frequencies or pulse widths, or the VCF). There's also an onboard sequencer, something common on many Sequential synths but not often found on other monosynths of the time. It is very basic, however, storing only two patterns and up to 40 notes max. Also, only pitch info is recorded (and in step time only); you can not assign a note duration to any notes. So it's basically a short melodic sketch-pad...but useful. Also onboard is an arpeggiator which has UP and UP/DOWN patterns.

The Pro One is relatively simple and intuitive to use, fun, educational and responsible for some of the coolest and hardest basslines in electronic music today! It is used by Hardfloor, Überzone, the Prodigy, Cirrus, Fluke, Depeche Mode, Download, Banco De Gaia, Vince Clarke, New Order, Freddy Fresh, Mouse on Mars, Prince, Soft Cell, Richard Barbieri and Sigue Sigue Sputnik.

But since you can't always find one (about 10,000 were produced), or one that works properly... Wine Country Sequential has come up with a solution! WCS has been servicing old Sequential gear for years, as well as selling repair parts, etc. They have developed the Pro One Software Synthesizer Plug-In, an awesome replica of the original Pro One, both in look and sound! It has some added features and is an incredible way to easily add the sound of the Pro One to your music!

minor7th

December 17, 2012 @ 5:10 pm

Great synth; was also used by Mark Kelly of Marillion and Chris Franke of Tangerine Dream.

Matthew Hodge

November 20, 2012 @ 4:13 pm

Pro 1? Hunter Vs of OOH! (the band) plays one. It's actually one that has The Buddha on the circuit board and it does the Om thing......

Mike

November 18, 2012 @ 9:04 pm

Kevin Parker of Tame Impala is pictured with a Pro-One on the back cover of the band's 2nd album "Lonerism", which indicates that it was most definitely used on the album.

michaelphibes

November 1, 2012 @ 10:38 pm

alien sex fiend used this, now i really want one but i'm not a copycat i swear

Klaus

October 24, 2012 @ 10:58 am

Demons uses the Pro One extensively. Check vimeo for a clip of them performing at the Synthworkshop Show with 2 1/2 Pro Ones(One of them being home-mutilated by Nate Young) Great band, great synth. On the top of my wish list together with Mono/Poly

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