MATRIXSYNTH: ARP 2600 & 3620 KEYBOARD, Pro-Serviced Analogue Synthesizer


Friday, April 06, 2018

ARP 2600 & 3620 KEYBOARD, Pro-Serviced Analogue Synthesizer

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"Stunning original condition and superb working order. Recent deep overhaul by an Arp specialist in the USA with 30 years experience. Complete with 3620 keyboard, portamento pedal, patch cables and a full complement of original accessories and manuals. See below for full details.

It's a model 2600P with a serial starting 26xxx which dates it to late 1971 or early '72. This model ARP has the most desired MOOG ladder style Copper clad 4012 filter.

Complete professional service completed in February 2018 by US Arp specialist. Checked over by our resident synth expert - it is in superb working order. Ready for the next 45 years of spectacular sound and music creation.

CONDITION: The front panel, controls and keyboard are all superb and undoubtedly in exceptional original condition for a 2600 of this age. The keys of the 3620 keyboard are showing some age in terms of fine scratches and scuffs but overall this is also is excellent condition. The tolex has some wear and scuffs - mostly on the edges - but nothing serious. Overall this is an outstanding example of an exceptional instrument - the best we've seen.

Service work included:
• All new high-end capacitor power supply upgrade
• New powerful mains transformer to ensure pitch stability
• Multi turn high end trimmers on power supply upgrade
• All circuit board tantalums replaced with high end capacitors
• All pitch CV trimmers replaced in the complete pitch CV chain including the 3620 duophonic keyboard (to ensure extreme tuning stability)
• Factory specification calibration
• New Cinch Jones receptacle (for keyboard connector)
• New Pratt Reed bushings in the 3620 duophonic keyboard

Includes:
• ARP 3620 Duphonic keyboard with original lid (Matching number with the 2600)
• ARP 2600 Original user manual
• ARP 3620 Original user manual
• ARP 2600 Portamento pedal - New unused (tested once) - comes in original box
• ARP 2600 "blind plug" (rare)
• 4x 16" patch cables
• 4x 38" patch cables
• ARP Original paper envelope

Extensively tested by our resident synth expert - all features and functions are working as they should (as with much vintage gear some crackle is possible from sliders especially if the unit has not been used for while, but this should clear with use)."

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