RE: 12sl7 ID?

Tubes Asylum

Questions about tubes and gear that glows. FAQ

In Reply to: RE: 12sl7 ID? posted by isaacc7 on April 20, 2023 at 13:40:25:

Yes, between the pins = on the underside of the tube. I'll attach a link to a photo of a Philips Brussels/MBLE "Pope" 6v6GT as an example.

A Brimar 6V6GT would not have such Philips style codes - no etch on the glass side; no code on the base between the pins. This lends weight to the origin of your tube actually being Brimar, made in England.

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Follow Ups Full Thread

Topic - 12sl7 ID? - isaacc7 21:00:04 04/03/23 (7)

RE: 12sl7 ID? - opalize 13:58:03 04/12/23 (3)

RE: 12sl7 ID? - isaacc7 13:40:25 04/20/23 (2)

RE: 12sl7 ID? - opalize 15:50:46 04/20/23 (1)

RE: 12sl7 ID? - isaacc7 18:16:56 04/23/23 (0)

RE: 12sl7 ID? - MP62 09:41:36 04/09/23 (1)

RE: 12sl7 ID? - isaacc7 13:46:34 04/20/23 (0)

Internals from Holland and . . - John PA 09:51:18 04/04/23 (0)

Follow Ups

RE: 12sl7 ID? - opalize 15:50:46 04/20/23 (1)

RE: 12sl7 ID? - isaacc7 18:16:56 04/23/23 (0)

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