Many manuals are avaiable now from these websites
click below to go there to

very complete listing of Ampex manuals hosted by John Chester

very similar image site of above link, may have some differences

Ampex mail list, manuals and schematics

manuals including complete ATR100 from AnalogRules.com

ATR-100 4 speed padnet schematic and layout pdf

ATR-10x SSI time code card manual pdf 1928MB

ATR-124 manual vol 1 pdf 159MB If you have the old pdf I made, this is better and has some things fixed

ATR-124 manual vol 2 pdf 271MB

AMPEX 500 - Product Specification Sheet DS-1 describing a "low flutter" tape recorder, 1953 pdf

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