jfoodstamp Posted December 15, 2015 Report Posted December 15, 2015 I've been agonizing over this box design and I finally have it all figured out until this..... My port Width is 9 inches and my rear port wall is only 6.5 inches from the rear wall. Will this cause any problems or should I trim back my length of port?
Broke_Audio_Addict Posted December 15, 2015 Report Posted December 15, 2015 Yes. Your port wall needs to be at least the width of the port away from the rear wall. That being said a lot of people's definition of "music" is a clipped 30 hz sine wave with some 80 IQ knuckle head grunting about committing crimes and his genitals.
Triticum Agricolam Posted December 15, 2015 Report Posted December 15, 2015 Is this a three common wall port, or is it a center port with two common walls? "Nothing prevents people from knowing the truth more than the belief they already know it.""Making bass is easy, making music is the hard part."Builds:
ChevyBoy95 Posted December 15, 2015 Report Posted December 15, 2015 If the port is on the side of the box (say to the far right sharing 3 walls of the box), it needs to be minimum of the port width off the wall. If the port is in the middle with a chamber per side (a center port), you can get away with half the port width (since it splits to each chamber). Best Score to Date : 160.5 dB Outlaw (47Hz)[4 XM 15's & 2 Taramps Bass 12k's] BL : http://www.stevemeadedesigns.com/board/topic/147800-chevyboy95s-4-15s-7krms-wall-1533-db-on-half-power/YouTube: http://www.youtube.com/hitemwiththeflex/
jfoodstamp Posted December 15, 2015 Author Report Posted December 15, 2015 It will be a 3 common wall ported box. I'll just have to tweak things around a little bit. thanks again
Hugh G. Rection Posted December 16, 2015 Report Posted December 16, 2015 I would always go atleast twice the width of the port to reduce the chances of affecting tuning. If you only space at the width of the port then this could cause the air between the box and the wall of the vehicle to function as added port length. Owner of BigAss Ports
jfoodstamp Posted December 16, 2015 Author Report Posted December 16, 2015 Hugh..... Could that help benefit me if Inneed to bring tuning down a little bit?
Hugh G. Rection Posted December 16, 2015 Report Posted December 16, 2015 possibly. Owner of BigAss Ports
magillaru Posted December 16, 2015 Report Posted December 16, 2015 If the port is on the side of the box (say to the far right sharing 3 walls of the box), it needs to be minimum of the port width off the wall. If the port is in the middle with a chamber per side (a center port), you can get away with half the port width (since it splits to each chamber). So if you you're doing a 2 common wall center port and your width is 10 inches, you can be 5 inches away from the rear wall and still be ok? If this is correct, my life just became much easier..... Singer Alternators Team Asshole #anothershittysingerbuild
jfoodstamp Posted December 16, 2015 Author Report Posted December 16, 2015 Hugh it's not probably not enough of a difference to depend on. I will probably end up just tuning a little higher like 35hz
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