I had an "Ah Hah" moment. When I installed the sorb70 around the edge of the inner cup of the HE-400's the grills were kind of barely staying in place. Yesterday both grills popped off leaving the drivers exposed. I figured "what the hell" and gave them a listen. I've never heard my HE-400's sound so fantastic! The openness of the high end never sounded so crisp and accurate. The bass thumped away like I was listening to a live performance. The mid's(vocals) were like I've never heard before. Now I know the danger of headphone drivers with no rear protection. They can be destroyed by mere carelessness. Any sharp object can penetrate and destroy the diaphragm. But the sound was nothing short of amazing!! I've been listening to Steely Dan-Aja which is my go to recording when I audition any speaker or headphone. Now I switched to Lucinda Williams-Car Wheels on a Gravel Road. Same thing.
So what I've been doing is placing these headphones in a protective cardboard box very carefully. I just can't see myself placing grills back on these headphones. It would be like switching a high-end low output moving coil cartridge for a high output moving magnet. Once you hear the MC, there's no going back. What I'd like to do is install a protective mesh to prevent inadvertent damage. Anyone got any ideas?
I cut mine from a pizza mesh plate i bought from a one dollar shop ( using before that a plastic grid mesh).... any grid, plastic or metal, easy to cut with not a too small square grid will do...
Edited by richard51 - 3/15/17 at 12:33pm