Fully working acoustic research AR90 or AR9. Number 1 is only to identification. The item “ACOUSTIC RESEARCH AR9 AR90 OEM Midrange Only, 200028, Working #1″ is in sale since Friday, December 16, 2016. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Speakers”. The seller is “galiley” and is located in Escondido, California. This item can be shipped to United States.