Drake SPR-4 Technical & Operating manuals, reprint.

These are digitally copied and enhanced manuals for the Drake SPR-4 receiver.  They are clear, clean, and easy to read.  They are printed on premium 24# paper with heavy covers and bound together with a plastic comb.  No more struggling with unreadable photocopies!

The SPR-4 technical and operating manuals are about 8 1/2" X 11" and consist of a total of about 77 pages plus a large one piece 13" X 23" insert with the schematic.  They are bound together. Topics include general description, installation, operation, principles of operation, alignment, accessories, many vies of the chassis and circuit boards, voltage charts, spare parts list, and schematic.