[sdiy] tube question 2: characteristics , DC versus 20kHz

[Michael Buchstaller]

>is it true that e.g. a triode stage large signal
>characteristic measured at DC differs from
>those measured at -say- 10kHz or 20kHz?

hmmm... If the source that drives the grid is stable,
there should not be noticeable differences at such
low frequencies. Miller effect and others can usually
be ignored when the driver is strong, and the frequencies
are low.
(Just my opinion, i could be terribbly wrong here...)


-Michael Buchstaller