02-15-2013, 07:31 PM
DKinYORKpa Wrote:OK, but, when I look in my RCA tube book and see 175VDC maximum on a 45 plate
You mean 275 VDC, don't you?
Quote:did they come up with that number on an old meter, as well?
Yes! Alan Douglas can correct me if I am wrong, but it is my understanding that 1000 ohms/volt was considered "state of the art" in 1930.
--
Ron Ramirez
Ferdinand IN