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Philco 90 crackling - Printable Version

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RE: Philco 90 crackling - radiorich - 12-18-2022

Hello greg,
Sounds like a plan !

Sincerely Richard


RE: Philco 90 crackling - rghines1 - 12-20-2022

Had the same problem with my Philco 90. Problem was the RF coil was corroded and arcing. Consider rewinding the coil. This is a known issue.
https://philcoradio.com/library/index.php/shop-talk/techniques/rewinding-philco-coils/

Richard


RE: Philco 90 crackling - NostalgiaRadioTime - 12-21-2022

Thanks, Richard. I never thought of that. I'm used to those early 30's Philco coil primary windings being open altogether rather than just arcing.