"Heinz Schmitz" wrote in message
...
Omer S wrote:

Why is it so important to debunk a failing tube that gave four years of
satisfactory performance?

Dude, just $#!^can the offending tube, and move on!

Its not *four years*, but only the ON-time in four years.

You living on some island where tubes grow on trees?

Regards,
H.


An interesting link, for further analysis of what could bring the demise of
12AX7 vacuum tubes,

Http://www.vaccuumtubefans.org/forums/Topic_12AX7