MATRIXSYNTH: 1976 ARP 2600 with Original Leather Cases & ARP's Old Number


Friday, December 21, 2012

1976 ARP 2600 with Original Leather Cases & ARP's Old Number

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Published on Dec 14, 2012 by MechHandlingSystems


via this auction

"Along with the owner's manual and Patch Book, it has a copy of a 2-page hand-written note detailing setup, trim, VCO and VCF calibration and keyboard calibration. The best part of this is the sloppy market notation at the bottom of page 2,

"IF YOU GET IN TROUBLE, CALL:
CLARK FERGUSON OR PHILIP DODDS
965-9700"

Clark Ferguson was ARP's service department manager, and Philip Dodds was VP of engineering. These notes are likely written in Philip Dodds' hand. He was an interesting guy that ended up having a featured role in "Close Encounters of the Third Kind" after Spielberg saw him setting up a 2500 to do the big "dum dum dum DUM DAAAAA" thing.

MECHANICS

It is the 2601 V1.0, with the improved jacks that won't flake out and the better sliders. It is the most mechanically advanced ARP 2600 model that still contains the legendary 4012 ladder-type filter that was built too close to Moog's patents for their comfort (an actual lawsuit was never filed)

It comes with the duo phonic 3620 keyboard. Serial numbers match and are in the low 300s.

There is a broken slider at the bottom center of the main panel, although it works and can be adjusted by hand. I am looking for the replacement slider and knob I purchased and hope to include it in the auction. See pictures for detail.

A few of the sliders have scratch. See the video for an example of that.

ELECTRONICS

As just mentioned, it has the 4012 filter. Now, some of these are epoxied and gross. Some of them are copper clad but with sloppy brazing. But some … well, some glow like a beating heart pumping astounding signals through its soldered veins and arteries. This one is like that.

It also has the UN-encapsulated 4027-1 VCOs, which are necessary if you plan to do certain mods.

It also has a mod for a Mediamix Joystick, which I just learned thanks to Phil at CMS and have never looked for one. I have a picture of one for the winner. Owning a Synthi AK I can tell you joysticks are pretty nice to have on your synthesizer!

The capacitors on the power supply are 35 years old and should be replaced soon, according to a bunch of people that seem to feel very strongly about it. CMS sells a power supply you can install yourself, if you're into that kind of thing, for $169."





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