The "olde tymers" used to tell me of running like 1000 volts on the plate of a
6L6. According to them, you had to send code pretty fast because a short
"dash" turned the plate red and a long "dash" melted it!
Glen, K9STH
Website: http://k9sth.com
--- On Thu, 2/12/09, Rex Lint <rex@lint.mv.com> wrote:
The max rating for a 6AG7 is 300 V, so you ran them at 3.3 the max voltage! It
must be one tough tube. The plate dissapation is 9 watts, so 4*9 = 36 watts,
and if you pegged the 200 ma meter, the input was 200 watts, so you were
probably dissapating >66 watts - about twice their rating. I'll bet they WERE
red!
Water cooled?
I ran a heathkit AT-1 that used one for an oscillator, then used a 6L6 for the
amp. All told, about 30 watts! If I'd only known....
But that was in the '50's
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|