If some of you could save me 225 pages of reading... how is the M-stage with Senn HD 600's?
Specifically, how is the USB Matrix M-stage v 2.1 with OPA627AP Class A Biasing Mod with the HD 600's?
I'm currently powering my HD 600's with a FiiO E9/E10 stack, and am wondering if the M-stage (with USB and mod above) will provide a significant upgrade? Thoughts?
Personally, I liked the HD600 with the OPA637 Class A mod more than I did than the base opamp; I imagine the same could be said with the OPA627 Class A mod, too. I would recommend it if you're using high gain, and with the HD600, you need to, especially if you're listening to classical music, mastered at lower volumes. But I think I enjoy my Headroom Micro with the HD600 more. I wouldn't see any reason to get the Matrix M-stage over a Headroom Micro, if you're buying them at new price.