I have just contacted the designer for this, and he has confirmed that the eminence 3015lf has a very good responce in this, but has a limited input of 450watt.
MTH-4654 with the recommended RCF driver
- 37Hz -3dB pour 1 caisson
- 33Hz -3dB pour 4 caissons
- 30Hz -3dB pour 8 caissons
PLot of 8 compared to startec SBH (super bass horn)
[IMGDEAD]http://img710.imageshack.us/img710/5195/8mth4654vs8sbh.gif[/IMGDEAD]
[IMGDEAD]http://img5.imageshack.us/img5/6898/mth4654.jpg[/IMGDEAD]