99blazer Posted March 15, 2012 Report Posted March 15, 2012 i got a problem with the bottom and the port vibrating. i got 4 dd 512s in an 8.3 cubic foot box tuned to 37 hz. when the bass hits hard the bottom of the box vibrates to beat hell, but it only does it in the center of the box. and the back of my port vibrates like crazy the seals on it are still good and everything just the vibrating is worrying me. i need suggestion on how to fixe this. 08 Ford F150
infinity Posted March 15, 2012 Report Posted March 15, 2012 try adding bracing to the box to support it
99blazer Posted March 15, 2012 Author Report Posted March 15, 2012 how would i brace the middle on the bottom panel 08 Ford F150
Guest Posted March 15, 2012 Report Posted March 15, 2012 needs bracing. lots of it edit: take a 1" dowel rod or something and brace the top to the bottom, or the side to the other side, etc.
99blazer Posted March 15, 2012 Author Report Posted March 15, 2012 subs r facing up and port facing the back 08 Ford F150
RAM_Designs Posted March 16, 2012 Report Posted March 16, 2012 Do you have any bracing in the box as it is? If not, that's your issue. A box for 4 12's with no bracing is just asking for trouble. Ryan Miskin - owner of RAM Designs I have my PM's turned off, please email at <script data-cfhash='f9e31' type="text/javascript"> /* */</script> 2200+ designs since March 2011...
bang'in in ga. Posted March 16, 2012 Report Posted March 16, 2012 Bracing.........Threaded Rod through top to bottom or/and side to side..... = no vib. Minivanfromhell -- Proud Member of Shut It Down Boyz & GEORGIA CAR AUDIO Pioneer DEH-3400-UB Vega 65 cs & 1" tweets & T3 4" coax in Front 1- Dual 300 with an AQ sticker 2-AQ sdc2.5 12's 1- AQ 1200D.1 Monster Cable RCA's Monster Cable 4-awg Custom 4 th order box ( by DBC ) Crescendo FT1's in rear- 1/0 Big Three Opti Blue top in back for Mono Amp Stinger Power dis. block 125 amp breaker at front batt. Stock Alt.
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