i run a QSX GX5 with my M80's; the GX5 is designed for 4 Ohms minimum, but not for 2 Ohms, unless you use it at low power levels.

As far as i can hear, my GX5 sounds exactly the same as the Hafler 500 i have been using for 25 years (never suffered from "upgraditis" before 2011).

if you want to buy a pro amp, just be wary of the Crown XLS 1000; the noise floor is not low enough.


Last edited by J. Bellemare; 05/01/11 03:34 PM.
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