12-20-2022, 11:11 AM
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
https://philcoradio.com/library/index.ph...lco-coils/
Richard