The earcups and cable for my A500s have been torn up pretty badly over the years, so I figured I might as well do everything over.   However, I'm a bit confused upon opening them up.  This is a single entry style, this is the inside of the left earcup (click for big). The black jacketed...

Dad found a box of 35 or so of these at work, brand new. Are they valuable at all? Don't suppose there's anything neat I could build with them, is there?

So I had orginally been having problems with my pimeta (using tangents pre mounted opamps), the 8610 kept overheating furiously. interestingly enough, the amp worked perfectly fine when I plugged it in, but I was forced to shut it off after a few seconds, because the chip kept overheating. I...