Drek75633 Posted March 8, 2009 Report Posted March 8, 2009 8 cubic foot box for 2 Fi BTL 15's. What is the dimension of the port I need so it will be rated at 32 Hz and how many watts can I throw at each 15? Quote 2004 Mustang 3 18s 6 crossfire bmf 1700s strapped @ .5 161.2 db Daily driver 159.4 @ 45 hz 158.7 @ 35 hz 154.4 @ 25 hz Team Hz Addiction http://www.youtube.com/Drek75633
ROBERT 04XBLZ Posted March 8, 2009 Report Posted March 8, 2009 (edited) 8 cubic foot box for 2 Fi BTL 15's. What is the dimension of the port I need so it will be rated at 32 Hz and how many watts can I throw at each 15? use re's box calculator. and read fi's website for info on the subs. Edited March 8, 2009 by ROBERT 04XBLZ Quote My New Build checklist: (3) 18'' btl fully loaded d2
zfrerichs Posted March 8, 2009 Report Posted March 8, 2009 fi says 12-16 sq inchs of port for every cube in the box but you can get away with a little smaller Quote Roseville, CA
bkolfo4 Posted March 9, 2009 Report Posted March 9, 2009 100-125 sqin of port. I run a 40.1 @ 0.5 ohms on each of my 15's with no problem, but I would say 2-3k each is more than enough. Brian Quote Current system: 1997 Blazer - (4) Customer Fi NEO subs with (8) American Bass Elite 2800.1s Previous systems: 2000 Suburban - (4) BTL 15's and (4) IA 40.1's = 157.7 dB at 37 Hz. 1992 Astro Van - (6) BTL 15's and (6) IA 40.1's = 159.7 dB at 43 Hz.
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