On Tue, 26 Jan 2021 10:56:29 +0000, Jimmy Stewart ... wrote:

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

QY3-125 or CV2130