box help
- Thread starter kwitcherbichin
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kwitcherbichin
Phoenix Risen 10+ year member
OG.... Original Ginger
exactly what subs are you working with?
pro-rabbit 5,000+ posts
Moderator
what size are your pro's?
RAM_Designs 5,000+ posts
SketchUp Master
x2, we need sub size. There's really no need to tune lower than 28hz, you'll pick up pretty much anything that's in normal music.
OP
kwitcherbichin 10+ year member
CarAudio.com Elite
- Thread Starter
- #5
sorry bout that thought i put what size there 12s and i dont listen to normal music ;] only c&s for the most part.
pro-rabbit 5,000+ posts
Moderator
that is sorta small for 4 12s
RAM_Designs 5,000+ posts
SketchUp Master
18"x23"x36" is only 5.03ft^3 before sub and port displacements...it's a tight fit for a pair of 12's in that space, not to mention with a 28hz tuning it'll be pretty much impossible.
pro-rabbit 5,000+ posts
Moderator
I didn't even do the math..LOL
Edit just did that math it is 7.08ft3 //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif
Still to small though
18 is 16.5
36 is 34.5
23 is 21.5
multiply
12,238.875
divide by 1728
7.08
Edit just did that math it is 7.08ft3 //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif
Still to small though
18 is 16.5
36 is 34.5
23 is 21.5
multiply
12,238.875
divide by 1728
7.08
OP
kwitcherbichin 10+ year member
CarAudio.com Elite
- Thread Starter
- #9
well what about 3 tuned that low
OP
kwitcherbichin 10+ year member
CarAudio.com Elite
- Thread Starter
- #10
what kind of calculator are u using... its barely under 7cf with just the sub displacement... how big was the port u were gona use?
RAM_Designs 5,000+ posts
SketchUp Master
Sorry, I must have mis-typed something into the box volume calc I was using...did it again and you're right at 7.08ft^3. If you're wanting to tune that low with adequate port area you're really going to eat up some box volume with a ~35" long port. Even doing three of the subs in that size box is a stretch, you'll either have to sacrifice box volume or port size...
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