10-13-2015, 06:44 PM
I have been restoring a Philco Model 80 and have two questions: 1) What can be used for the dielectric material for the sensitivity control? The material in my radio sensitivity control has pretty much disintegrated. I was thinking about some thin plastic material, but thought I would find out if anyone has replaced the dielectric material and with what.
2) I have completely recapped the radio, replaced all weak resistors, etc. Tubes check good. When tuning in stations, when I keep my fingers on the volume control, the signal (volume) is loud until I release my fingers from the knob. I have a 12' antenna. I tried grounding the chassis, but that did not make a difference. I also installed the "gimmick wire" but that did not make any difference with or without it. I have plenty of volume otherwise.
Thanks for any help!
2) I have completely recapped the radio, replaced all weak resistors, etc. Tubes check good. When tuning in stations, when I keep my fingers on the volume control, the signal (volume) is loud until I release my fingers from the knob. I have a 12' antenna. I tried grounding the chassis, but that did not make a difference. I also installed the "gimmick wire" but that did not make any difference with or without it. I have plenty of volume otherwise.
Thanks for any help!
