Hi all, I don't think I've ever killed a brand new driver before so I thought: ask the community for thoughts on what's happened to the driver. This is/was a brand-new 50mm Grado driver that I tested for continuity when it arrived and then fitted into a set of 'test' cups - so these were...

Hi all, I'd like to buy some of the material Fostex has used on the back of the TH610 capsule. Does anyone know what it is and where I could buy some? I've made my own wooden driver mount fit a Fostex TH design. Fostex use an "acoustic optimiser" where there are breathable holes around the...