rtia12 onkyo707 onkyo m282 amp

Gretschdrummer
Gretschdrummer Posts: 4
edited March 2010 in Troubleshooting
I have the rtia12s an onkyo 707 reciever with an onkyo m282. I am wanting some more clarity and highs. I have been looking at a adcom gfa5800 wanting to know if anyone has this combination and hows it sound.is it biamped?