Hi folks, new guy here: jumped over from the Digidesign User Conference. Questions regarding these mics, which I have a few ancient examples of. Does anyone know if the ribbon in a 4038 goes slack with time? The two I have must be over 30 years old, and though they still sound good, there's a sort of "crinkly" sound as if the ribbon was rearranging itself if you're careless/stupid enough to blast them with a 'P'. I thought it would be stretched too tight to do that. Anyone know if I could get new ribbons for them in the UK? And the 451s: I have several bodies and a greater assortment of capsules. They're possibly 30 years old too, but half of them suffer from squeaks, pops and 'motorboating'. Do they have a finite life, or is there a way to resurrect them? I know they don't like cold and moisture, but that shouldn't be a problem in my mic cupboard. I heard a rumour that filling the bodies with MS4 grease cures this; anyone tried that? Thanks for any replies.