Lot · Tube Testers
Good working accurate B&k 747B Tube tester
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Wed · Jul 29, 2026
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Condition
Used
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Refurbished
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ZIP 457**
laurferre_33
8,433 ratings · 99.50% positive
Description
From the sellerI have a very good working and accurate B&K 747B Top of the line solid state Mutual Conductance tube tester.
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