Anyone had experience with the Acme low b-1's? Here's my thought: 2x Acme Low B-1 8-ohms Used Stewart World 600 or PA-500 (anyone used one of these?) And I get... 1. 120Wx2 stereo for a home stereo system or low-powered coffeeshop PA system 2. 400W 8-ohm 1-speaker small jazz/coffeeshop bass rig 3. 600W 4-ohm 2-speaker larger bar/rock bass rig... What do you guys think? Better than My Acoustic Image Contra combo?