:cool:I have one JBL 2214H 12" Low Frequency Driver.I want to build a subwoofer with it. T/S specs:Vas- 7.90Ft3,Fs- 23Hz,Qes-0.25,Qms-10.50,Qts-.24,Pe- 200W,Re-5.60. Any suggestions? Sincerely, Cambe