MATRIXSYNTH: Red Roland SH-101 Monophonic Analog Synthesizer: Serviced


Sunday, October 05, 2025

Red Roland SH-101 Monophonic Analog Synthesizer: Serviced

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via this Reverb listing

"Restored vintage red Roland SH-101. New power switch, recap and calibration. Power button was replaced a few years ago. If you touch it while the unit is on you'll hear pitch wobble. That said, unit is tuned and holds absolute pitch from F1-C6. The filter and amp envelopes are calibrated as well. Sounds incredible. Recently texted with C batteries, works great

Two things of note: I removed the dust covers on both units in the transpose and LFO section. Personal preference. The red unit has a unique mod wheel that was modified by the previous owner to have a very satisfying mechanical 'click' when out the mod stick up to trigger the LFO. I've owned and serviced over a dozen 101s and never encountered another like it."

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