It's mounted on a wood base the base sticked a few inches past the back of the driver, the wood is 23" deep the hight is 26 3/4 on it wood base, the width is 39 1/2". the rear of it's base is wider than the horn and driver and is 5 1/2 wide at the very back of the wood and 9" where the brackets meet the base.
Excuse the dust, I am the one responsible for dusting my stuff, can you tell. [:|]