On 26/01/2021 10:55, Jimmy Stewart ... wrote:
On 26/01/2021 09:24, Chris Holmes wrote:

One for Brian???

I was wondering back when men were men and Libby Purves worked on the
other
side of the mic, radio transmitters used valves.

Are there now solid state devices (big MOSFETs??) capable of producing
the
necessary output power? Or are valves still used?

can't beat an 807
or a 6js6c or two or 6146