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2-15" BLs vs 1-18" BTL with the same power

SKEEMASK
in Fi Technical

Featured Replies

Posted

Which would be louder? (Daily)

1. (2) fully loaded BL15s with about 3.2ft3 and 50sq" of port "each" tuned to 33Hz..... with a Hifonics Collosus (3200rms x 1@2ohm) so that would be about 1600rms each.

or

2. (1) Fully loaded BTL18 with about 7ft3 and 120sq" of port tuned to 33Hz......pushed off of a Hifonics Collosus also.

Going in a 2dr Explorer Sport

the 2 15's would probably be a little louder because of more cone surface area than the 18". I would personally go with 2 18" BL's

  • Author
the 2 15's would probably be a little louder because of more cone surface area than the 18". I would personally go with 2 18" BL's

I would but 3.5ft3 -4ft3 after displacement is the biggest I can go and thats kind of small for a 15 but it will do but for a 18.....nah. Id atleast wanna do 5ft3 for a 18

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