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RCA 45 Vacuum Tube calibrated Knight 600B tester
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RCA 45 Vacuum Tube calibrated Knight 600B tester

Starting price (see what it sold for on eBay ↗) $40.00 as of Jul 28, 2026
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Past Vintage Parts & Accessories auctions
Condition Used
Condition tiers New Used Refurbished Damaged Unspecified
Ships from ZIP 620**
6camjcadmcon2 1,651 ratings · 100.00% positive
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Description

From the seller
RCA Type 45 vacuum tube. Has black plates with bottom D foil getter.

Description is reproduced verbatim from the eBay listing. NightBids does not edit seller copy — refer to the live listing for authoritative details, shipping rates and return policy.