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Box Help/Cancellation?


Mitchaford

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Posted

Attempting to design an enclosure for a AA Mayhem 18 in the trunk of a VW Jetta.

Was just doing a rough sketch of what I wanted to do.

Max Dimensions:

Width: 38 Inches

Height: 18 Inches

Depth: 28 Inches

Box size: 6.5-7.5 cubes.

Tuned at 33-34

What i would like to do but concerned if there will be cancellation due to port being sealed off in the trunk by beauty panel.

6qCNUHj.jpg

not so needed picture of trunk, just here for visual.

qMIxit9.jpg

2008 VW Jetta

Team Fi 12 

CT 4000.1

CT 125.4

PWX 6.5

80 PRS

EB Flex 2/0

Second Skin

^^^ Build ^^^

Posted

Don't seal off the trunk and try thr port to the back or side. Of you can't seal off the trunk (in your case you cant) I've heard rear port is best but don't quote me on that

So if I were to just turn the box around it would be good? I don't to seal off the trunk and have the seats down in the back (assuming thats what you mean)

The whole point is to incorporate a beauty panel if possible, really just want to go for a real clean look.

2008 VW Jetta

Team Fi 12 

CT 4000.1

CT 125.4

PWX 6.5

80 PRS

EB Flex 2/0

Second Skin

^^^ Build ^^^

Posted

Oh btw the beauty panel on facing the outside of the trunk along with the port.

Not sure if that was made clear. The port and sub will essentially be separated. Hope that clears it up a bit :)

2008 VW Jetta

Team Fi 12 

CT 4000.1

CT 125.4

PWX 6.5

80 PRS

EB Flex 2/0

Second Skin

^^^ Build ^^^

Posted

Oh btw the beauty panel on facing the outside of the trunk along with the port.

Not sure if that was made clear. The port and sub will essentially be separated. Hope that clears it up a bit :)

So essentially what you are going to have then is a 4th order bandpass box with a really big, leaky sealed side.

"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:

U7qkMTL.jpg  LgPgE9w.jpg  Od2G3u1.jpg  xMyLoO1.jpg  9pAlXUK.jpg

Posted

Oh btw the beauty panel on facing the outside of the trunk along with the port.

Not sure if that was made clear. The port and sub will essentially be separated. Hope that clears it up a bit :)

So essentially what you are going to have then is a 4th order bandpass box with a really big, leaky sealed side.

Lol so thats what I dont want.

What if I were to put the port facing the front of the car?

2008 VW Jetta

Team Fi 12 

CT 4000.1

CT 125.4

PWX 6.5

80 PRS

EB Flex 2/0

Second Skin

^^^ Build ^^^

Posted

Oh btw the beauty panel on facing the outside of the trunk along with the port.

Not sure if that was made clear. The port and sub will essentially be separated. Hope that clears it up a bit :)

So essentially what you are going to have then is a 4th order bandpass box with a really big, leaky sealed side.

Lol so thats what I dont want.

What if I were to put the port facing the front of the car?

The direction isn't the main issue, what matters is both the port and the sub need to be firing into the same space for their output to properly combine.

"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:

U7qkMTL.jpg  LgPgE9w.jpg  Od2G3u1.jpg  xMyLoO1.jpg  9pAlXUK.jpg

Posted

Oh btw the beauty panel on facing the outside of the trunk along with the port.

Not sure if that was made clear. The port and sub will essentially be separated. Hope that clears it up a bit :)

So essentially what you are going to have then is a 4th order bandpass box with a really big, leaky sealed side.

Lol so thats what I dont want.

What if I were to put the port facing the front of the car?

The direction isn't the main issue, what matters is both the port and the sub need to be firing into the same space for their output to properly combine.

Ah I see. Thanks for the help.

Now all I need to do is calculate the port :unknw:

2008 VW Jetta

Team Fi 12 

CT 4000.1

CT 125.4

PWX 6.5

80 PRS

EB Flex 2/0

Second Skin

^^^ Build ^^^

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