Lot · Tube Testers
Superior TD-55 Vacuum Tube Tester with Tube Testing Chart / Book
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Sun · Jun 28, 2026
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Condition
Used
Condition tiers
New
Used
Refurbished
Damaged
Unspecified
Ships from
ZIP 103**
greatronix
3,971 ratings · 100.00% positive
Description
From the sellerSuperior TD-55 Tube Tester with Tube Chart and wood case. Unit powers up, I can hear a faint hum when I put my ear close to the unit. Without the book, the unit is useless. Luckily the original owner kept the book in the top cover sleeve.
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