Artist 3 or 5 would be nice. I would prefer the A3x or A5x. Any of those would be far superior to the nasal, boxy sound of the F7 (or any of the F series) .
mythinI live in 40 storey apartment built in 2005, I use a surge protector with ferrite chokes, maybe you're right. I bought a ground tester and the LED says I'm properly grounded. Any ideas?