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In Reply to: Usually when a tube is gassy posted by Ralph on June 14, 2021 at 09:59:59:
When a tube is new and has never been heated up since leaving the factory you will have the occasional power tube that still needs some improvement in ther vacuum. Ha nothing to do with a cracked or leaky glass.I've seen it and so has someone else I know who has been selling NOS tubes since 1969.
Read Robert Tomer and also Murray Jones "baking valves", don't take my word for it.
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Follow Ups
- RE: Usually when a tube is gassy - AmadeusMozart 06/14/2122:54:24 06/14/21 (1)
- I'm a fan of preconditioning power tubes from way back - Ralph 08:09:52 06/15/21 (0)