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"The Moog Source is a monophonic Z80 microprocessor-controlled analog synthesizer manufactured from 1981 to 1985. Serial number: 2840The Source was Moog's first synthesizer to offer patch memory storage. The design was also the first (and only) Moog synthesizer to feature a flat-panel membrane keyboard to replace the standard buttons, knobs and sliders, along with multihued panel graphics that were very different from anything Moog offered at the time.
Arguably the closest sounding to the Minimoog than any other Moog from this era. All functions tested in great working order, membrane buttons operate as expected with smooth operation.
Service notes:
-Refurbished power supply: replaced PS caps
-Resoldered rectifiers and sockets for t0-220 package voltage regulators
-Resoldered and cleaned connectors/pin headers.
-Replaced all other remaining electrolytic capacitors
-Replaced (2) connectors pcb and cable side
-Resoldered and cleaned all connectors/pin headers
-Cleaned keybed assembly and key contacts
-Removed and cleaned IC pins on 74373 logic ICs
-Cleaned all calibration trim pots
-Replaced memory battery
-Re-programmed all original factory presets
-Fully calibrated entire synth
-Burn in for 6 hours then checked/adjusted calibration as needed
-Cleaned volume control and bend/modulation assembly parts"
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