BK B&K Precision 747B Solid State Dynamic Mutual Conductance Tube Tester Used and comes as shown. It has a little wear but in really nice shape. I bought from a pro who tested it to assure it was working as good as it looks!
BK Dyna Jet Model 606 Vacuum tube tester, Excellent condition! This tester is in excellent condition. I tested some tubes with this unit and it is consistent with my Eico 625 tube tester I use for my tube sales.
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