Posted April 28, 201015 yr hey i wanna enter iasca rookie competition but the sub im using is a 15" atomic apspl15, in the category im only allowed 1 4" aero port, what size box should i use and what length port, the car is a mazda protege5, right hand drive cause im from trinidad, the amount of power is 1500 watts, the box will have to make high spl while playing music since in this category you are only allowed to test with music Edited April 28, 201015 yr by shockaa
April 28, 201015 yr Author its cant be for burps cause in rookie you are required to play audio when testing spl,
April 29, 201015 yr ahh I'm not some spl pro but in my opinion you'd do good by going for a huge box and the tune to be in the low 40's. It would peak at the mid to upper 40's and that would be louder since it is probably closer to the resonant frequency of your vehicle. Give me some dimensions to look at and I could mock you up a box using a program. Does that car have a trunk, or is this a hatch setup?
April 30, 201015 yr Author i have a 3.3 box with a 4" aero port that is 6" in length and i did 140.5 playing audio......what can i do to increase this score or should i rebuild a box
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