MATRIXSYNTH

ARP Odyssey MK3

via this auction

"comes with the original manuals including several original ARP books on synthesiser programming and the service manual... there's a missing fader cap (portamento) and an extra hole for a MIDI jack in the back panel. This has now been replaced by a jack socket for VCF CV In."

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ARP AVATAR

via this auction

Note the Hex Fuzz and Hex Preamp boxes on the bottom left are clear on this one. If you do search for Arp Avatar auction here, you will see most are solid orange. Anyone know more about this model? I thought I posted it already, but can't seem to find it.

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Korg MS20 Including Schematics, Manuals and Setting Examples

via this auction

Note the following documents are from the seller. You can check the seller's listings here or contact the seller on Ebay. Do not contact me.

"includes Schematics, Manuals and Setting Examples... My 75-page Information Packet is the definitive collection of MS-20 documentation. It includes a photocopy of the hard to find Service Manual that tells you exactly how to align keyboard intonation. It contains physical and schematic drawings of the entire instrument, a complete parts list, and circuit board layouts in case you have to repair something. As a musician/engineer, I wanted ALL the paperwork, so I schmoozed copies out of the factory guys. The Owner's Manuals are first generation copies and include many notes and hand-written custom voicings I developed. The Service Manual was already a copy when I got it from the Korg repair shop. Since 1999, I have sold over 300 sets of these documents to buyers around the world... Im including a copy of the original Owner's Manual which has all the basics, like a block diagram and signal flow chart, patching tricks, and many basic sound patches. It also has a scary looking "CAUTION" warning you to never, EVER open those secret rubber plugs!

There's a 30-page Setting Examples manual, with lots of instrumental and effects patches ... many of my own design, including SFX like endless wind, surf, distant trains, dive bombers, earthquakes, explosions, helicopters, lazers, and UFO's.

There are tricks for using the External Signal Processor, so you can plug in your guitar or microphone and create control voltages which in turn control the synth. Remember: the MS-20 was designed by Yasuhiko Mori, who also created the famed Vocoder! Very cool effects!

A Supplemental ESP Manual elaborates on pitch to voltage and expression pedal control. As an engineer, I often used my Korg like a broad-band signal generator for machine setup, creating tones from 20 to 12 kHz ... so there are patches for that too.

And there's that hard to find Service Manual with the crucial VCO Alignment Procedure ... the "secret" process that lets you pop open those rubber plugs without fear. You'll never get caught "playing in the cracks" again ... unless you really want to!"