1980 Rivera Music Services Engineering Brief on Minimoog Mods

Great bit of retro DIY via Retro Synth Ads where you can find the full set of scans and a write-up.

“Rivera Music Services 12-page Engineering Brief and Photo Sheet for Minimoog Modifications from January 3, 1980.”

1984 Roland TR-909 "Different Drummer" Ad

In for 909 day via Retro Synth Ads. Click through for the full write-up and more scans.

“Roland TR-909 “Different Drummer” colour advertisement from the outside back cover of Volume 2, Number 3 (1984) issue of Roland Users Group Magazine.”

ROLAND BOUTIQUE TR-08 Cheat Sheet & Missing Manual via sǝuoſ ǝuıɥsunS

THE MISSING MANUAL via sǝuoſ ǝuıɥsunS

Click through for the PDF download and additional details.

“I started doing these because the first leaflet style manuals which arrived with my Roland Boutique synths were too small to read, and so abbreviated that I was left feeling a little underwhelmed. I wanted more. So I learned more, and tried a bunch of things and eventually took my notebooks and

Oberview Oberheim DPX-1 Newsletters

DPX-1 and the K-Muse Library via this auction

You can find a few more pics of this one previously posted here.

The DPX-1 Maneuver below is via this auction

Not finding this one in the archives, so this is likely the first post to feature it.

The Oberheim Synthesizer Performance System Brochures

via this auction

OB-8
DMX
OB-SX
DSX

Lot of 9 Moog Synthesizer Factory Service Manuals; Original, complete 1977-79

via this auction

“‘Eight of these nine manuals are in original bindings, not photocopies. Seven of them are in ‘pristine’ condition, but will have occasional (and helpful) handwritten annotations by the Moog Custom Engineering team (including myself) circa 1978-1979. One of them (MicroMoog/MultiMoog) is a little more well-used than the others, but still excellent! All manuals are 100% complete

1974 Moog Synthesizer Professional Systems Price List with Cut Sheets

via this auction

“1974 Moog Professional Systems Price List with Cut Sheets for the 15, 35 and 55 Synthesizers. Also included are cut sheets for the 903A Random Signal Generator and the 921A Oscillator Driver and 921B Voltage Controlled Oscillator. Great info with great pictures. All paper is in excellent condition.”

Electrocomp EML-101 Vintage Synth Synthesizer Original Patch Notes

via this auction

See the seller’s other items for more.

Serge Modular Vintage Synth Synthesizer Original System Catalog

via this auction

See the seller’s other items for more.

See this post for a few more pics of the catalog.