MATRIXSYNTH: Sequential Circuits Pro One Vintage Synth SN 5638

Monday, August 06, 2018

Sequential Circuits Pro One Vintage Synth SN 5638

via this auction

"Inside the base plate is signed 'Julia 12-16-81', so I probably bought it (new) in early '82. I've only used it at home and it's been stored in the loft for some years. It's in excellent cosmetic condition, apart from a couple of odd nicks on the end cheeks and baseplate shown in the photos. There was very little dust inside when I opened it up. I've cleaned and lubricated the keyboard as best I can, cleaned the J-wires and bus bars, treated the switches and pots with contact cleaner and beeswaxed the wooden end panels. I haven't replaced the keyboard bushings so the action is a bit clicky. Everything seems fine although the Osc A Pulse Width knob is a bit scratchy in places. I don't have the equipment to test the CV/Gate ins and outs."

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