03-15-2017, 05:00 PM
Thanks for the info. I'm learning a lot about tubes . Now if I can just remember it .
walt
walt
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35A5 tube substitution
03-16-2017, 10:37 PM
Could be since your filament voltage is low, (due to the 50A5) is the reason your radio has 'other problems'.
If I could find the place called "Somewhere", I could find "Anything"  Tim Jesus cried out and said, "Whoever believes in me , believes not in me but in him who sent me" John 12:44 
03-17-2017, 06:12 AM
Yeah that could be. But I noticed that somebody before me had worked on the speaker extensively and probably couldn't fix it .
Strangely ,I just discovered that a Philco 41-225 that I have has exactly the same chassis as the 41-220 except for the push button feature and it also has a 50A5 tube in it and it works OK. I do have a 35A5 coming and I will use it . But I am sure the speaker has problems and I'm looking to get it rebuilt or purchase a good used one IF I can find one. There should be one out there somewhere since they probably made thousands of these radios. Thanks for your input. walt
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