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Model 752 & 752A are the same except the "A" version has 4 additional tube sockets and 4 more switch positions to test the more modern tubes such as compactrons, Magnovals etc. The '752 is a favorite of many audiophiles as it will test both halves of twin triode tubes without changing the switch settings. It will also tests voltage regulator tubes as well as most all consumer tube types from the early 1920s - 1970s including; Compactrons, Nuvistors, large Novars and sub-miniature types.
< Model 752 & 752A & most other model manuals are available with high quality schematics | |
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the instrument has been SOLD, photo reference only |