MATRIXSYNTH: 1980 ARP 2601 MkIII 2600 Series Monophonic Analog Semi-Modular Synthesizer w/ 3620 Keyboard

Thursday, April 30, 2026

1980 ARP 2601 MkIII 2600 Series Monophonic Analog Semi-Modular Synthesizer w/ 3620 Keyboard

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via this Reverb listing

Additional SYNTH CITY Listings

SNs:
2601 0876
2620 0876

"Purchased from the original owner, this ARP 2600 Model 2601 synthesizer comes complete with its matching 3620 keyboard. It has been meticulously cared for throughout its life and stands as one of the finest examples of this iconic instrument available today.

Widely regarded as one of the most legendary synthesizers ever made, and for good reason, this unit is both a collector-grade piece and a fully functional studio instrument. It includes the original manuals and bonus patch sheets, as shown.

The synthesizer has just undergone a complete in-house service and is ready for immediate use.

Serial No. 26010876

Service Notes:

Replaced all tantalum and electrolytic capacitors (including module sections)

Cleaned faders and switching interface jacks

Resoldered various connections and corrected prior repair work on the VCF board

Thoroughly cleaned cabinet interior, panel, and knobs
Cleaned keyboard connector socket

Tuned VCOs and performed calibration adjustments as needed

Burned in and extensively tested over multiple days"

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