Zenith question: Differences between K731 and T2542 models?

[dieseljeep]

Originally Posted by Nick_the_'Nole

That looks like a slightly later revision of the K731, notice that this one has an extra switch for FM AFC. I also don't recall the 731 having legs, but that's prolly a minor point anyway.

I tried looking up that model on Beitman's. I found a model T2546, which is a solid state model.
The various seven tube models had a few changes through the years: 1958-1966.