Great, thank you for your reply! Have my next steps cut out. Cheers!

Great, thank you very much for your reply. And yes, I noticed the insulation and its purpose. The arcing argument sounds very reasonable! Cheers!

Hi - this is a (very) old post, nonetheless relevant: I recovered an old MS-2 headphone that lost all ability. After opening, I found the crumbles of the offwhite membrane that I need to replace. I could not identify any source of micro-thin membranes (unless industrial quantities in France). I...