^ Agreed. Never ever. ever.

I'm hoping my 4 8s in 3cuft vented will be able to provide acceptable bottom end with 1200 watts [img]graemlins/thumb.gif[/img]

Back in the day I used to quite often sell two 8" RF XLC or Series 1 8s in 2cuft tuned to 35Hz. Only needed about 150 watts to get really great output :D

As for the L5s - never got a chance to play with them but we did 4 L7 8s in a early 80s Chev truck on a RF bd1000 and it was very nice.