The Orban 290RX Adaptive Enhancement Processor was an interesting product that was on one hand a sound restoration device, and on the other a noise reduction system.
Lexicon 480L Service Manual + Several Service Bulletins + Repair Procedure + Several Schematics + Surround Cart Manual + Sample Memory Expansion + Software Upgrade documents in scanned PDF format. (22 PDF files in total)
Full inclusion list:
After purchase you will be presented with 5 links to download all 22 of these documents.
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