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CV492 ECC83 12AX7 MULLARD for ITT-Lorenz any good?

Posted: Thu 07/22/10 3:25 pm
by lespaulblues
I'm looking at these cv492 valves labelled itt for my plexi amp.
Does anybody know if they are any good.
Thanks.

Posted: Wed 09/01/10 8:31 pm
by dotfret
ITT is a good name - they did not sell to the public as ITT, but used the name for replacement valves inside the "trade". ITT brands available to the public included Heintz & Kaufmann, Brimar, and Raytheon.

Most manufacturers bought valves in from Mullard at one time or another. Whatever label they have, they usually carry Philips codes near the base, so you know what they are ...

I think I'd buy ...