Lot · Tube Testers
Hickok 539C Vintage Mutual Conductance Tube Tester - Calibrated
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Thu · Jul 30, 2026
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Condition
Used
Condition tiers
New
Used
Refurbished
Damaged
Unspecified
Ships from
ZIP 173**
shippen
756 ratings · 100.00% positive
Description
From the sellerThe tube tester is fully functional and in excellent physical and electrical condition. It was Hickok’s premier tube tester. The line cord is in excellent condition.
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