Sequential Prophet 5 Rev3 61-Key 5-Voice Polyphonic Synthesizer w/ MIDI Kit

Note: links to listings are affiliate links for which the site may be compensated.

via this Reverb listing

Additional SYNTH CITY Listings

"The Prophet‑5 (Rev 3.2) captures the essence of that classic Sequential tonality—warm, bold, and musical—with the resilience of newer chipset reliability. Whether dialing rich analog basses, lush pads, or punchy leads, this unit delivers that unmistakable vintage vibe. Fully serviced w/ Wine Country MIDI-kit, it’s ready for studio or stage. ****Synth has one non original knob.

Service notes:

-Replaced all tantalum caps connected to power supply rails
-Replaced Timer IC
-Replaced z80 CPU
-Replaced internal memory battery
-Cleaned and resoldered lots of connectors and molex headers between panel and processor
-Cleaned buss wire and j-wire key contacts
-Cleaned pots and resolderd various panel components
-Cleaned IC pins and sockets on cmos logic ICs on processor board
-Cleaned pins and reseated RAM and ROM ICs
-Reloaded factory presets
-Reseated ribbon connector between processor board and midi retrofit board
-Checked calibration and adjusted as necessary
-Replaced 4016 cmos logic IC
-Resoldered power supply buss rails on processor and voice boards

Bench tested for several hours and readjusted calibration as necessary."