GE "long range" AM tube radio from 1965

[Robert Grant]

Originally Posted by maxhifi

Edit: Actually that orange thing looks like a crossover cap? Wow a tweeter in an am radio? To extend the highs to 5 kHz? That's very weird

When this radio was new, AM stations in the US were allowed to carry their audio frequency response to 15kHz (these days, it's just short of 10kHz).

Yes, it did (and still does) bleed over to adjacent channels, but nowhere near as badly as hybrid digital AM technology.