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help designing a box


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before it was sealed, i loved it!.

but was always told to seal it off to get it louder and it sounds like it completly changed everything.

My build log http://www.stevemeadedesigns.com/board/topic/143943-2001-mustang-gt-system-rebuild-box-build-pics-updated-61512/

2001 Ford Mustang GT

4.6 SOHC 380HP

270 amp Mechman alt

2 12" Treo SSX custom built.

6.47 cu ft, tuned to 32Hz

2 hifonics Brutus 2400.1, strapped

1 optima yellow top

1 Kinetic HC1800

14.4v @ 29Hz, 2k RPM

over 100ft 1/0 XS flex wire

Big 3 in 1/0

100sq ft fatmat deadener

145.3 on music, 142.6 sealed on music

Stop being a pussy and wall it off.

I hate when my google breaks too

I think the usps must be ran by a bunch of drunk ass oriental midget monkey's on methamphetamines.
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yes. i sealed it before the port. towards the cab. so its from port to trunk thats open

My build log http://www.stevemeadedesigns.com/board/topic/143943-2001-mustang-gt-system-rebuild-box-build-pics-updated-61512/

2001 Ford Mustang GT

4.6 SOHC 380HP

270 amp Mechman alt

2 12" Treo SSX custom built.

6.47 cu ft, tuned to 32Hz

2 hifonics Brutus 2400.1, strapped

1 optima yellow top

1 Kinetic HC1800

14.4v @ 29Hz, 2k RPM

over 100ft 1/0 XS flex wire

Big 3 in 1/0

100sq ft fatmat deadener

145.3 on music, 142.6 sealed on music

Stop being a pussy and wall it off.

I hate when my google breaks too

I think the usps must be ran by a bunch of drunk ass oriental midget monkey's on methamphetamines.
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hmmm i'll seal off around the rear deck and see if that helps any.

i'll let you know

thanks joe x

My build log http://www.stevemeadedesigns.com/board/topic/143943-2001-mustang-gt-system-rebuild-box-build-pics-updated-61512/

2001 Ford Mustang GT

4.6 SOHC 380HP

270 amp Mechman alt

2 12" Treo SSX custom built.

6.47 cu ft, tuned to 32Hz

2 hifonics Brutus 2400.1, strapped

1 optima yellow top

1 Kinetic HC1800

14.4v @ 29Hz, 2k RPM

over 100ft 1/0 XS flex wire

Big 3 in 1/0

100sq ft fatmat deadener

145.3 on music, 142.6 sealed on music

Stop being a pussy and wall it off.

I hate when my google breaks too

I think the usps must be ran by a bunch of drunk ass oriental midget monkey's on methamphetamines.
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Share on other sites

So everything is sealed off? If so port and sub forward. Unseal it and do port and sub back!

93' Exploder

Deck:Pioneer 6400-bt

Front Stage: Crescendo PWX 8"s and Skar Audio VX1-ST per door

Amps: Sundown Audio SAZ-3500 v1 @.375 ohm daily, CT Sounds 125.2

Subwoofer: Two PSI Platform 2 18"s,Fully Loaded D1.5's

Enclosure: B Pillar Fourth Order, 3:1 ratio tuned at 46 (Designed by Low Hertz Box Designs)

Wire: All Sky High Car Audio Cable!

Alternator: Singer 250 amp Hairpin

Batteries: XS Power D975

Team Audio Connections

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they way you have it is fine but something else isnt adding up either your port isnt right or your box and port isnt right but you need to seal the port area off to see the effects

123_zpsdd06b4db.png

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thats what i plan on doing this weekend ric006

its port up ( 3 1/2 inchs of the port is outside of the box) and subs foward toward front. sealed off on the sides and on top of the box. from behind the seal off on top is open.

here is a pic to show the port seal off setup

Untitled-2_zpsff228937.png

My build log http://www.stevemeadedesigns.com/board/topic/143943-2001-mustang-gt-system-rebuild-box-build-pics-updated-61512/

2001 Ford Mustang GT

4.6 SOHC 380HP

270 amp Mechman alt

2 12" Treo SSX custom built.

6.47 cu ft, tuned to 32Hz

2 hifonics Brutus 2400.1, strapped

1 optima yellow top

1 Kinetic HC1800

14.4v @ 29Hz, 2k RPM

over 100ft 1/0 XS flex wire

Big 3 in 1/0

100sq ft fatmat deadener

145.3 on music, 142.6 sealed on music

Stop being a pussy and wall it off.

I hate when my google breaks too

I think the usps must be ran by a bunch of drunk ass oriental midget monkey's on methamphetamines.
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Share on other sites

That is not enough since all around the port there is a hole to the trunk airspace and therefore is not sealed, I would make a rear deck cover that fits like a glove the port and then use a sealant all around it.

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