156+ SPL - Gain Log

hey jacob if your gaining some man thats good but have you tried different size boxes with less port aera or more port area. sometimes you have to find that perfect port size that gets you that score your chasing. but a 156 on one 15 on a 14v setup isn't bad at all man. gl with what ya doing man looking to see a 60 with some more work.
Jacob me personaly would try to open the port. Or cut the box vol down depending on rise due to the fact that you clame that you get louder by adding more vol by taking out the side panels you go up this is just like opening the door to let more air in the cabin. witch in return alows the box to pull more air in and out the port easyer. good luck on the gole that would be crazy # with one 15.

 
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