"What would you recommend to rich 300hz in PPSL -10" or 12"? "
The Dayton 295-120 will do 300hz at 100dB/2.83V/1M and be -3dB at 27hz in a 24" cube PPSL.
I am also designing a 25hz PPSL with eight 8's that will cross at 400hz and be 100dB.
Here is a quad 295-120 PPSL.
pudhpullsubquad12_zpsb771020a.jpg Photo by fullrangebates | Photobucket
(cat is optional)
