You can use rightaway. They are all working and original units. Rreplaced new Sound absorbing(damping) material. The cabinets have been cleaned and restored, but there. Are a few small, incidental nicks and scratches. Ships to 48 States. The item “Acoustic Research AR-4x Speakers” is in sale since Saturday, May 16, 2020. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Speakers”. The seller is “ssole50″ and is located in Bayside, New York. This item can be shipped to United States.
- Model: AR 4x
- Country/Region of Manufacture: United States
- MPN: Does Not Apply
- Brand: Acoustic Research