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Dirtrider4eva
03-28-2012, 12:33 AM
so i picked up an Fi/RE xxx 15" the other day. i had a 4.3 cubic feet box, tuned to around 45 hz, for an aq hdc3 15" sub. well, the RE XXX doesnt like it. it peaks very high, and needs to be in a new box, or i need help on how to re tune the box.
any help is appreciated, would be willing to get a new design.
max size is 32" wide, 17 tall, and 18 deep.
its in a celica hatch back,
and lastly, i peaked in my car at 49 and 51 hz in the box listed above. so a few hertz higher than tuning. specs for the sub are here.
Specs on the 2005 RE XXX 15 - Car Audio Classifieds (http://www.caraudioclassifieds.org/forum/general-car-audio-discussion-questions/110355-specs-2005-re-xxx-15-a.html) in winsid i got around 3.5 cubic feet at 30ish herts. but id rather have someone do it that knows their ish.

Dirtrider4eva
03-28-2012, 10:48 PM
Ttt

RAM_Designs
03-28-2012, 10:58 PM
3.5ft^3 at 30-32hz is definitely more in the range of what you're going to want. 4.5ft^3 at 45hz is worthless with the XXX for daily listening.

Dirtrider4eva
03-29-2012, 12:49 AM
Perfect. Thanks man .

jtomsic
03-29-2012, 01:04 AM
yeah my one 15"xxx box was exactly what ram said...cause he designed it... it was nice too :)

Dirtrider4eva
04-02-2012, 12:28 AM
TTT wouldnt mind someone doing a box plan for me.