We stack four 15" together on each side, with the four tops stacked on top of them. That setup is loud enough for even larger venues and outdoors. In fact a touring norwegian top 20 band used to use this set as their main PA for 5 years. It is quite something. Not the highest quality brand in the world (it's a noname) - but it gets the job done. The amps are Crown and Peavey. We use an amp rack - just because it is easier to maintain and cheaper. Also you save a lot of weight on the cabs that way. And patching is a breeze. For instance if one unit cuts out, bridging another unit to drive more cabs is a fast operation.

But active has it's advantages to...

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