LugBug1.......Thank you. I am impressed with the HDVA 600's performance right out of the box. I don't know how much time Sennheiser puts on the amps at the factory in Germany but it sounds amazing with 14 hours on it. I finally shut it off about 2:30 AM. I imagine that with a 150 hours or so of break-in the HDVA 600 will settle into it's permanent voice. If it gets much better I may never take the HD800's off my head.
- 166 Posts. Joined 1/2011
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