Tube testing

Tubes Asylum

Questions about tubes and gear that glows. FAQ

Tube noobie here.
I have a chance to buy a quad of lightly used TungSol KT-150 power tubes as backup for my Ayon integrated. I'd like to get them tested, and maybe get my current running set tested too (they sound fine). Unfortunately, there is no longer a good high-end shop here in New Orleans. I've talked to a couple of the musical instrument repair shops who say they test guitar amp tubes, but I didn't get the impression they really know what they are doing.
Does anyone have a rec for a mail-order testing service? How concerned should I be about shipping them back and forth? Is it worth it?
I have no interest in investing in a testing device and don't have a good place to put it.
Thanks in advance.

. . . in theory, practice and theory are the same; in practice, they are different . . .

Edits: 08/01/24

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Topic - Tube testing - tlea 16:03:47 08/01/24 (4)

RE: Tube testing - Tre' 14:51:14 08/02/24 (2)

Thus my question. . . - tlea 15:28:21 08/02/24 (1)

RE: Thus my question. . . - Sondek 09:02:50 08/05/24 (0)

RE: Tube testing - Steelhead Mike 04:08:30 08/02/24 (0)

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