- Jan 26, 2002
I have an Infinity BU2 sub that has an 100 watt amp, 12" downfiring sub, and a 4" cardboard port wiht flared end on the side. I want to build a Shiva or Tempest sub but I just purchased a Parasound 855 amp and my wife would kill me. I plan to build the DIY at the end of the year when the new amp purchase has been forgotten. I was wondering what I could do to maybe help improve the sound from my current sub. I have read alot about stuffing the sub but was wondering what is the proper way to stuff a ported sub. I know you are not suppose to block the port and the woofer with stuffing. Should I put some stuffing on the side and on top part of the inside of this sub. Would I get any benefit from replacing the cardboard port with a plastic port. I would like to improve this sub as much as possibe for a temporary fix. All suggestions are greatly appreciated.