Thanks! Meanwhile I stumbled on Take Five Audio and ended up ordering small amounts of mogami 2893 and nylon sleeves. I took 3 sizes of sleeves (3/16, 1/4, 3/8) because I couldn't figure out which one I needed exactly. It really was not that expensive.   Looking at the mini jack from...

First post!   I am currently considering rewiring my old HD 555s for multiple reasons, including the cable failing once in a while (short, I guess) and the cable itself being 1 zillion meter long (3m). I thought if I'm going to change the cable, might as well do it properly.   I have no...