This is a
digitally copied and enhanced manual for the Drake R-4A receiver. It is clear, clean, and easy to read. It is printed on premium
24# paper with heavy covers and bound with a plastic comb. No more struggling with
unreadable photocopies!
The R-4A manual is about 8 1/2" X 11" and consists of about
38 pages plus a large one piece 11" X
17" fold out schematic. This is for an
early version with 13 tubes. Topics
include general description, installation instructions, control functions, operation,
theory of operation, service data, alignment instructions, crystal
frequency chart, voltage chart, and resistance chart.
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