Originally Posted by thomasy52
So I picked up a ipr 3000 for my amp. I went to talk to a local shop about making me a box and the told me that tuning my box to 20hz was to low and that 32hz would be better I really have no clue about making a box.
Well of course a car audio shop isnt going to understand what you're doing. Give them the box dimensions you want and tell them to build it.
Sealed doesn't need a HPF for the reason's a ported sub does, it is possible you could need one if you're giving them to much power down low.