Vintage all have amazing headphone out's. Warning: Spoiler! (Click to show)
Looks like a great listening space, with the desk next to your listening chair? I see the paper clip headphone hanger too. :)
I really like the sound, and that they sound really good from anything and everything I've tried them with.
For me personally the fit is a bit weird, but I'm apparently in the minority.
Really glad I've got them, especially now that the price has started climbing since they've been discontinued.
sprayed into the volume knob opening and twisting the knob back and forth might be just the ticket. Prolly just dirty.
The following Deoxit thread linked will likely solve your issues.
Do you have a Radio Shack nearby? Radio Shack should carry a small bottle.