Up for offers is a B&K Model 707 Dyna-Jet Dynamic Mutual Conductance
Tube Tester with tube chart included.
Unit has been tested and is sold in working condition however,
it appears to be \"hard\" on tubes, in other words, tubes should be testing a bit higher on this test unit.
Probably needs calibration which is a simple procedure for this unit.
Unit is in very nice condition, but as can be seen the outside has been sprayed painted black.
See pictures for personal cosmetic evaluation.
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