Probably the best speaker ever built for home studios. Here is a pair of AR9’s that were connected to a ONKYO M-504 Amp and a Marantz SR-780 Receiver that produced studio quality sound for the short time they were used. Look up the specs on the internet;; you won’t be disappointed. AR9 Instructions Manual, AR9 Specification Manual and AR9 Owners Reference Manual. These should be picked up. Each speaker is 15″ x 16″ x 53 tall and weighs about 125lbs. It will have to be via common carrier and palatalized. The item “Acoustic Research AR9 Speakers” is in sale since Thursday, February 25, 2016. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Speakers”. The seller is “kangco” and is located in Hastings, Minnesota. This item can be shipped to United States.