I am having an odd problem with one of my 007 drivers. It developed an intermittent fault a few months ago so I opened the earcup and checked all the soldered contacts. I ended up replacing the thin wires that connect from the cable (which was replaced about 2 years ago) to the driver and there appear to be no loose contacts now. I can pull and twist the cables and the sound is fine. Except for one oddity. When I hold the driver and rotate it in the vertical plane (i.e. the right side is turned up) some scratchiness and noise occurs at about the 90 degree part of the rotation.. I can't see any obvious fault with the driver or any sign that something has made its way past the dust cover. Anyone ever had something like this?