[NostalgiaRadioTime]

That's excellent advice, Chas. I never thought of using an old tube as you suggested to clean the socket but I can see how that would work with the tube pins roughed up with the sandpaper. I'm suspecting it could possibly be the volume control. It's just very strange how it will play 30 minutes to an hour and then start acting up without even touching it. But perhaps the DeOxit I grabbed and squirted into it did it in. I grabbed the red can instead of the green. Is it just residual DeOxit that could be affecting the pot and if so can it be flushed out with a more standard contact cleaner that is fast drying/evaporating or is it just plain shot?