They actually do have the SB regarding the crowbar efficiency test. You can do the wire test, or the super secret, not good for the weak, grounding bar test too.BigRed wrote:Speaking of IOT problems and crowbar circuits I seem to remember a service bulletin from some transmitter company or the other (don't remember if it was Comark, or
The tube was junk, instantly though, but that doesn't sound like what you're dealing with.
However, I tested this crowbar system every couple of months as part of my periodic testing, and fortunately I had about a month prior to this failure.
The tube is actually holding with some current now, so it is looking more and more like it was a buildup inside the tube. I hope tomorrow to get it close to 800ma.