The PHILCO Phorum

Full Version: Philco 90 crackling
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Hello greg,
Sounds like a plan !

Sincerely Richard
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.ph...lco-coils/

Richard
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.
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