[Jeffhs]

I have the 1963-1964 version of this radio (Zenith K-731) in the Early American cabinet. Works well and sounds great, even though it is 50 years old. Brings in every major FM station in Cleveland very well, using the line-cord antenna (I am about 40 miles from the transmitters). No Conelrad icons on the dial. I also have a 1960 Zenith "Super Interlude" C-845 AM-FM hi-fidelity radio that works very well on FM, but the AM loop antenna connections came loose. Can't figure out where the "ground" end of the loop connects. There is a ground terminal on the chassis, but when I connect the loop there and the other end to the AM tuning capacitor, I hear nothing except very garbled sound from a local AM station in the next town. The sound is great on FM, however, so I don't think the power supply filters are at fault (although replacing them certainly wouldn't hurt).

Another question regarding the K731: Did this radio have a separate FM tuner as did the C-845 and, later, the Royal 3000 12-band portable? I ask because I read in another post to this forum an answer to a question about such a tuner; the post mentioned that the lead dress to and within the tuner must not be disturbed under any circumstances. If it is disturbed, even a tiny bit, the alignment could be thrown off or, at worst, the FM section of the radio will not operate.