[Tim]

I used to have a late 60s car radio by my bed when I was a lad. I can’t remember the make( Philips I think but not certain) running from a simple dc power supply I had knocked up from an old train set transformer. It drove a pair of headphones through an output transformer connected “ backwards( output of radio to secondary, headphones driven from primary) and I used to listen to all sorts of stations on MW at night.
It may have had an RF amp early in the front end-which believe was common at the time.
The aerial was simply a 6’ piece of wire clipped to a metal curtain track.
I heard all sorts on that, even something from America a couple of times. ISTR ( but don’t know why)it was some religious station, that I later discovered operated an extremely powerful transmitter.