Philips SHP9500 Cup Caps

These are cups specially designed for the Philips SHP9500 headphones to turn them from open to closed headphones whenever you want! While the sound signature does change a bit, and the soundstage will shrink [as you would expect if they suddenly became closed] - they still sound good - and isolation is much better.

The process I used to dampen my cups was...
1. coat / paint the inside of the cup with plasti-dip
2. put a layer of sound-deadoning [or melamine] foam in the bottom.
3. cover t