Published on Feb 9, 2019 pdxfunk
via this auction
"This is the 2nd prototype (a verification final build) I built while developing a DIY kit of a full fledged clone of the classic Sequential Circuits Pro-One synthesizer. 
This unit contains the final versions of all the components and PBCs and is 100% ready to rock. Make no mistake this machine sounds EXACTLY like a vintage Pro-One. But, it's even better because it's built more solidly and reliably! Search YouTube for PRO2021 and I have a video up comparing the sounds with a real vintage Pro-One. This particular unit, being a prototype has one little idiosyncracy, in that there were 2 misprints on the laser etching. One is the "Seq1/Seq2" switch originally says "Seq2/Seq2" and I have put a small black "1" sticker over it (see detail pic). The other is that the CV IN is labeled CV OUT and I have similarly put a little sticker of it (see detail pic). That's it for weirdness. It's 100% electrically good to go and sounds and looks amazing. Think of those little panel quirks as some uniqueness to make this a true treasure to only gain in value when this synth gets famous! Haha! :D
The PRO2021 has all the features of the original Pro-One, plus:
-Anodized and laser etch formed aluminum enclosure
-Hand-finished solid cherry wood end cheeks
-Custom Weston CNC machined aluminum precision pitch bender and modulation wheels (WAY better than the stock Pro-One wheels)
-Fatar semi weighted 37 key keybed (WAY better than the stock Pro-One keyboard. This is what is in the Moog Sub 37, etc...)
-MTG "TurboCPU" processor (upgrades sequencer function, enables MIDI, etc..)
-MIDI In/Out/Through
-LFO rate AND Gate LEDs
-VCOs powered by genuine Curtis CEM3340 Rev G chips
-VCF and Envelopes powered by Alfa clones of CEM chips
This machine is basically a vintage Pro-One but built like a real, professional instrument, with none of the cheesy money-saving stuff on the original (no disrespect, but if you've played a vintage Pro-One, you know what I'm talking about.)"
£/$ = ?
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