[vecher]

All Has anyone worked on this radio? Stupid question How do you get the knobs off??

I tried pulling bu will not budge.

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[RodB]

Try wrapping a strong cloth around the back of the knob then pull outward.

[morzh]

If it does not work (I do not remember Philco using set screws there - make sure there are none) use PB Blaster or WD40.

Same thing you did on Grundig.