In article ,
"Alex Pogossov" wrote:
The tread is also of general nature -- why do not we see varistors in the
tube amp circuits. Probably you are right -- no one suffered serios damage
of this particular stress mode.
It's interesting to note that 1950s, 1960s, and 1970s Telephones used to be full
of varistors, both for protective purposes, and for regulating and controlling
the speech level.
--
Regards,
John Byrns
Surf my web pages at,
http://fmamradios.com/