box tuning Vs. Sub Spec Vs Cars res freq.

[edzy 10+ year member]

Just trying to get a better grasp on the tuning thing.

Ok, ppl say to tune your box according to the subs parameters. So a sub that has a Q of say 30, a box should be tuned to 29. Correct?

now ppl say that to achive spl scores, a box should be tuned to vehicles resanant freq. So if a car has a res freq of say 45 (the test tone that produces the highest reading for any given volume) Shouldnt the box be tuned to that? and then where does a subs specs fall into that situation?

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[edzy 10+ year member]

info bump

 

[Kenneth10483 10+ year member]

It depends on what your looking to do if its just SPL then you tune it to the car but for Daily you tune it different

 

[edzy 10+ year member]

thanks. so for spl res freqs, for daily, the subs Q, or just below? for a combo, inbetween?

 

[Kenneth10483 10+ year member]

i would tune it around 38-40 hz

 

[edzy 10+ year member]

2001 dodge ram 1500 conversion van/work van

 

[edzy 10+ year member]

lol. when messing with a TL meter, it peaked at 39 hertz.. that was 132.5 off a single 13 W6

and the box I have now is tuned to 32

 

[Kenneth10483 10+ year member]

in order to actually see where the vehicle peaks at you need to build a sealed box for a 10 or 12 and try each Frequency to see where its the loudest

 

[edzy 10+ year member]

ic. so would building a box to at that freq compromise sq? I dont want it to be a one note box, but want to achive spl as well as sq