Bob Engelhardt wrote:

I have no idea what this is:
http://home.comcast.net/~bobengelhardt/tube.jpg
but it looks like it would handle a couple of kw. Writing on it:
"Amperex
4 PR 125A"


Nope, 125 W in class A, maybe twice that, max, in class C. The 125
is the wattage.

Jon