tbeats Posted July 14, 2018 Report Share Posted July 14, 2018 Have a ported box for four 12’s was built under spec subs need 1.75 min and what I have is 1.48 after displacement. Would polyfil help? Plug the ports and just run sealed or just run 3 subs ? I was leaning on just running 3 as each set of two is on an amp at 2ohm for 1000 Watts I can have the single sub still at equal power as the others and gain airspace idk. Any suggestions would help Obviously a new box is got to happen when I can make that happen will take time. Link to comment Share on other sites More sharing options...
Triticum Agricolam Posted July 14, 2018 Report Share Posted July 14, 2018 What subs are they? How much port area? Polyfil won't help you, in ported boxes it only reduces output. Assuming everything else is fine, there isn't going to be a huge difference in output between 1.48 cu ft net and 1.75 cu ft net. "Nothing prevents people from knowing the truth more than the belief they already know it.""Making bass is easy, making music is the hard part."Builds: Link to comment Share on other sites More sharing options...
tbeats Posted July 14, 2018 Author Report Share Posted July 14, 2018 Subs is kicker cvr12 , port area is 99.00 in2 tuned to 36.5 gross 9.18 net 5.93 cu ft , port area per foot 16.69 in2 . Honestly two in the kicker pre fab box sounded better then the four in the built box for four. Link to comment Share on other sites More sharing options...
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