Hi, I was thinking I would make a small tube set that is fixed to one station.

What do you think is best way of doing this? still superhet? TRF wouldn't really save me any tubes, would it.

But once I go that far, might as well make the bloody thing tune-able

thump

If a superhet seems too complicated for fixed frequency use, how about going to the other extreme.... build a nice crystal radio. A good design will drive a small speaker forever using no power. There are "free power" designs that use a second tuned circuit to steal enough power (from a strong local station) to run a one transistor audio amp stage.

How about some more information? You want to listen to one station. One AM broadcast station? What frequency?
There are a number of approaches here I am doing some reading on the old homodyne ( injection locked synchronous detectors) and have been designing some improved solid state versions.
A fixed frequency homodyne receiver would be a blast. Contact me if you would like more information.

bruce

Regen or reflex battery set. Or a hybrid. Crystal set with a tube amp is a good idea.

JMO

Doug