Then I shall go forth and purchase some of these new fangled Mosfet valves that you speak of and insert them into my valve bases. I am sure the results will be spectacular.
Indeed, but only when you switch it on
In reality a Mosfet operates on a similar principle to valves, it's voltage controlled rather than current controlled as per transistors...
I'll leave you to get back to proper valves, apologies for the interuption Dave
Bests, Mark
"We must believe in free will. We have no choice" Isaac Bashevis Singer