MATRIXSYNTH: Sequential Circuits Prophet 600 Vintage Analog Synthesizer SN 4553

Thursday, April 02, 2020

Sequential Circuits Prophet 600 Vintage Analog Synthesizer SN 4553

via this auction

"It has a couple of small 'issues' (I hesitate to even call them issues because they are intermittent and easily fixed). First, I've noticed some odd tuning issues when the synth is plugged into a power strip with other equipment that require a lot of power. I've only ever noticed it when playing out (it's been lightly gigged, less than 15 shows in the last 8 years). When this happens, I simply plug it into its own power strip and that solves the issue.

The second issue is with the cutoff filter knob. On a few occasions, it sometimes lags or gets stuck on a particular setting. This first happened to me about 5 years ago. I took the synth in to get serviced and repaired by Patchwork repairs located in Brooklyn, NY. The issue was fixed and I had no issues for several years. Within the last year, it started to happen again - but VERY intermittently (twice in the last year, and this synth gets played probably 14+ hours a week). I took it in to get repaired but the issue is so intermittent that the technician was not able to re-create the issue. These issues are so mild and intermittent, especially with a synth this age, but I want to be completely transparent to anyone interested in buying this synth. I've never had any issues with the membrane or voice chips, and both times I've had a technician service it, everything else was in excellent condition."

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