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Philco 60 Squealing
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| Your IF transformers are tuned to the resonant frequency they were designed for. When you observe the bell curve they di...RodB — 01:35 PM |
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identify very thin wire for replacement on 37-640
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| Thanks so much for your help! I really could not have gotten this far without the kindness of you and other members. T...georgetownjohn — 11:50 AM |
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Philco 38-7 Oscillation
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| Will do, thank you.tludka — 10:26 AM |
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Philco 38-7 Oscillation
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| As to your oscillation issue I would align the IF transformers. That may solve the problem. You also would want to check...Radioroslyn — 10:22 AM |
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Philco 38-7 Speaker
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| Thank you, I will check this out, I do have some shields I can place around the specific tubes. I searched the four que...tludka — 10:18 AM |
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Philco 38-7 Speaker
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| Also, check if any wires going to Grid Caps of the tubes that are supposed to be INSIDE of their respective shields (if ...morzh — 09:54 AM |
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Philco 38-7 Oscillation
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| Usually in this forum, when we discuss a radio, we do not multiply threads. You already have a thread on this.
If you wa...morzh — 09:27 AM |
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identify very thin wire for replacement on 37-640
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| You can possibly use a heatshrink tubing.
If you decide to replace the wire, anything gauge 24, 300V rated will do (it ...morzh — 09:25 AM |
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identify very thin wire for replacement on 37-640
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| Happy Thanksgiving,
I have attche a photo of a very thin wire with black plastic-looking insulation(some of it has com...georgetownjohn — 09:14 AM |
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Philco 60 Squealing
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| I got my signal tracer out to see if I could tell at what stage the squeal was coming from. It is present on the plate o...dconant — 09:07 AM |
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