EICO 667 Tube Tester manuals, reprint.
These are digitally copied and enhanced manual for the EICO 667 dynamic conductance tube and transistor tester. The manuals have been copied from originals and are clear, clean, and easy to read. They are printed on premium 24# paper with heavy covers and bound with a plastic comb. No more struggling with unreadable photocopies!
The operating manual measures 8 1/2" X 11" with about 115 pages overall. Topics Include: general description, specifications, function of controls, operation instructions, circuit description, maintenance, special applications, developing settings for new tubes, parts list, schematic, two addenda, and the following test data:
The construntion manuals measure 8 1/2" X 11" and are bound together. Topics Include: the unmarked construction steps, the eight construction diagrams, and the schematic.
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