anyone know the resonant freq of 2002 chevrolet suburban?

[pcchris 10+ year member]

anyone know the resonant freq of 2002 chevrolet suburban?

im working on doing a wall behind the second row and need to know what suburbans peak at

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[Brian Owens 10+ year member]

I ran a wall with (4) 15's in a wall behind the second seat in my suburban. 2000 model, but the same body style.

I did a lot of testing during my build. I tried port tunings from 30 to 63 Hz and the peak ranged from 37 to 43 Hz.

 

[Supergumby5000 5,000+ posts]

most larger SUV's are right around 40hz, give or take