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45 / 245 / 345 / 45 Special / VT-52

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245 RCA Triode - globe Price: $94.00 This RCA UX-245 / 45 type triode has the old style globe glass and a black plate with a circle imprint. (It looks very similar to the Cunningham 345 types.) Tube tests at 84% (min 60%) for transconductance (Gm) AT1000 at full operating voltage (257V).	245 Triad Triode - globe (RCA licensed) Price: $79.00 This Triad 245 / 45 type triode has the old style globe glass and three horizontal ribs imprinted on the plate.	345 Cunningham Triode - globe Price: $79.00 This Cunningham CX-345 / 45 type triode has the old style globe glass and circle imprint on the plate. It looks very similar to the RCA 245 and would match up nicely with them visually. Tube tests good.
45 Raytheon Triode - matched pair, engraved base Price: $110.00 This matched pair of Raytheon 45 triodes have ST bottles, black plates, bottom getters, and engraved bases.	VT-52 Sylvania Triode - matched pair! Price: $499.00 The Sylvania VT-52 tubes in this very rare matched pair have bottom getters and single black plates with ceramic supports. They come in their original boxes. Both tubes test as new and are matched within 2% for transconductance (Gm).


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TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar players, DIY tube audio enthusiasts, and audiophiles.

We also offer high quality and hard to find parts for DIY tube amplifier projects.

Our website features secure payment options and fast, convenient shipping around the world.

45 / 245 / 345 / 45 Special / VT-52

245 RCA Triode - globe

245 Triad Triode - globe (RCA licensed)

345 Cunningham Triode - globe

45 Raytheon Triode - matched pair, engraved base

VT-52 Sylvania Triode - matched pair!