The PHILCO Phorum
Band switch Model 60 - Printable Version

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RE: Band switch Model 60 - winston763 - 08-24-2014

You are correct. I have 2 6a7's and 1 produces better reception and volume but still not up to par. So I think that's true but I bet it points to some other weakness and this tube "amplifies" (sorry the pun) the problem. I noticed that my radio is very sensitive to tuning. a little off and nothing.


RE: Band switch Model 60 - sjhs1962 - 08-26-2014

I can't get an IF signal thru to speaker from the grid or from the plate of the 78 tube. So I suspect a bad IF transformer but yet I have continuity. Hmmmm...does the voltage perhaps disrupt the coil and block the signal and continuity when the radio is powered up?