Well for a budget of $ 2,500 USD I would look at a pair if Adcom GFA-555SE new they are 1,100 - 1,300 each. I have 2 GFA-555 and 2 GFA-555II that I am using, all I have bought used from $250-375 each.
http://www.adcom.com/prod/shopdisplayproducts.asp?prodid=1322
http://www.wildwestelectronics.net/adcom-power-amplifiers.html?gclid=CJeq2saE7ZkCFQHyDAod_UyZSg
Good Luck
Mark
AKA Bullet100t
http://www.adcom.com/prod/shopdisplayproducts.asp?prodid=1322
http://www.wildwestelectronics.net/adcom-power-amplifiers.html?gclid=CJeq2saE7ZkCFQHyDAod_UyZSg
Good Luck
Mark
AKA Bullet100t