I've had a pair of HD650s since college. In that time, I've replaced the ear cups, the head cushion, and even the cable a few times. All the parts are available where the headphones are sold, and they pop right in without any effort (or even the need for instructions).
They say things aren't designed to last or to be repaired anymore, but some things are, and they're great!
They say things aren't designed to last or to be repaired anymore, but some things are, and they're great!