sealed or ported

[peanut123 10+ year member]

how can i make 2 15 inch type r hit at least 140 db...right now im currently hitting 133 db..this is what im running

alpine 9857 headunit

6x8 type s all around

1000w directed 4 ch

2 15 ich type r

groundshaker slot ported box

performance teknique 3000w

5 farad cap

kenectik 1400 hc

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[starkfu 10+ year member]

vehicle, placement, box quality?

more info please!!!

 

[Jameseypoo 5,000+ posts]

How many threads must you make on the same subject?

 

[peanut123 10+ year member]

vehicle, placement, box quality?
more info please!!!

1998 ford explorer

3/4mdf slot ported

 

[photocrazy8 10+ year member]

i can build you a box, i live close to LA, i can get you over 140 with a ported box at like 33 HZ

 

[Aroc 10+ year member]

Whats your sub placment?

Subs forward port up??? if not thats the way I would have it.