I've made wooden cups before modeled after the oval shape the Bose quiet comforts and have got incredible results with just Sennheiser HD201 drivers. Now for a second project I got my hands on a a pair of Fostex T50rp open headphones and want to do some serious modding but more circular this time. I'm only saving the headband cup mounts and drivers, because I want to design the cups myself. I was inspired by wooden headphones made from these forums and wanted to give it a shot. I'm very new to this and don't really understand how things should sound and how to dampen etc. Is there anything I should read or look at to educate myself in this craft? Any feedback would be greatly appreciated!