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If it has been recapped I doubt those noises are cap fails.
Is the set opperating in close proximity to any computer equipment of newer electronic devices that might have switch mode power supplies? Many devices with switch mode supplies emit a wide variety of RF noise...Some of which is similar to what you describe....A good test would be to get a transistor radio that can work on both AC and battery. Plug it in in the same place and see if you get the same noises on it...If so it's definitely external (to the radio) noise. If you unplug the transistor set and run it off batteries and the noise vanishes then the noise is conducted through the wall outlet wiring and may be hard to find(turning off breakers may help you find what circuit it's on and narrow things down). If the noise remains on battery listen on AM and walk around looking for the place it is loudest...You should be able to find the offending device (if it isn't your neighbors device).
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03-19-2021, 03:12 AM
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