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cresendo pwx 8s in rear deck?


Blake Farrar

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I saw from another thread you have a trunk setup. All that bass would kill those speakers in the rear deck. You would need to build some enclosures for them.

2005 Ford Focus zx4

AMT's and Planars

18" Infinite baffle

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The pressure the subwoofer creates has to go somewhere. Even with the rear seat down. It will will force the rear speakers to over excursion. Over time the voice coil could come out of the gap on the 6.5 and damage it. Same with an 8" if you installed it there without an enclosure. You may be able to hear them but that doesn't mean they aren't at risk.

2005 Ford Focus zx4

AMT's and Planars

18" Infinite baffle

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The pressure the subwoofer creates has to go somewhere. Even with the rear seat down. It will will force the rear speakers to over excursion. Over time the voice coil could come out of the gap on the 6.5 and damage it. Same with an 8" if you installed it there without an enclosure. You may be able to hear them but that doesn't mean they aren't at risk.

ohh, i understand what you're saying but i dont see how i could possible do anything to avoid this problem

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The pressure the subwoofer creates has to go somewhere. Even with the rear seat down. It will will force the rear speakers to over excursion. Over time the voice coil could come out of the gap on the 6.5 and damage it. Same with an 8" if you installed it there without an enclosure. You may be able to hear them but that doesn't mean they aren't at risk.

Yeah I done blew my stock speakers and an aftermarket pair from my subs in my trunk. Any suggestions on how to fix it?

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The pressure the subwoofer creates has to go somewhere. Even with the rear seat down. It will will force the rear speakers to over excursion. Over time the voice coil could come out of the gap on the 6.5 and damage it. Same with an 8" if you installed it there without an enclosure. You may be able to hear them but that doesn't mean they aren't at risk.

ohh, i understand what you're saying but i dont see how i could possible do anything to avoid this problem

The pressure the subwoofer creates has to go somewhere. Even with the rear seat down. It will will force the rear speakers to over excursion. Over time the voice coil could come out of the gap on the 6.5 and damage it. Same with an 8" if you installed it there without an enclosure. You may be able to hear them but that doesn't mean they aren't at risk.

Yeah I done blew my stock speakers and an aftermarket pair from my subs in my trunk. Any suggestions on how to fix it?

You have to build some enclosures for the speakers to prevent the pressure getting to them and seal them to the rear deck. I would find something like this and reinforce it with some fiberglass or build them out of wood.

http://www.amazon.com/XTC-5-1-Foam-Baffle-Pair/dp/B0002ZPO2W

2005 Ford Focus zx4

AMT's and Planars

18" Infinite baffle

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Cheapest and easiest is to just build a box for them. Take some measurements and seal them off from the trunk.

2001 Chevy Blazer LS

Kenwood KDC-HD552U

2 12" SDC 2.5 D4 Fi SP4 18" 4 Sundown SA-12's

HiFonics BE 1200.1 Soundstream RUB1.2500D Looking for a 5k

XS Power D3100

4 Soundqubed 6.5's (Pro Audio)

2 Soundqubed 3-Way 6.5's

2 Soundqubed Super Tweeters

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The pressure the subwoofer creates has to go somewhere. Even with the rear seat down. It will will force the rear speakers to over excursion. Over time the voice coil could come out of the gap on the 6.5 and damage it. Same with an 8" if you installed it there without an enclosure. You may be able to hear them but that doesn't mean they aren't at risk.

ohh, i understand what you're saying but i dont see how i could possible do anything to avoid this problem

The pressure the subwoofer creates has to go somewhere. Even with the rear seat down. It will will force the rear speakers to over excursion. Over time the voice coil could come out of the gap on the 6.5 and damage it. Same with an 8" if you installed it there without an enclosure. You may be able to hear them but that doesn't mean they aren't at risk.

Yeah I done blew my stock speakers and an aftermarket pair from my subs in my trunk. Any suggestions on how to fix it?

You have to build some enclosures for the speakers to prevent the pressure getting to them and seal them to the rear deck. I would find something like this and reinforce it with some fiberglass or build them out of wood.

http://www.amazon.com/XTC-5-1-Foam-Baffle-Pair/dp/B0002ZPO2W

Would those make the speakers sound bad? I've seen some people say they echo like as if the speaker was in a metal can...

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2003 Explorer Sport:

FI BL18

SoundQubed 2200 at 0.7ohm

Pioneer DEH-2500UI

Pioneer 6 x 8s

Rockford Fosgate 6 x 9s

5 ft^3 box at 35hz

Lots of Mega Mat

SkyHighCarAudio_zpse6b4e501.png3abb2365-8d29-422d-a446-efa7a74b8dba_zps70e62980.jpgFILogo_zps400b37c1.jpg

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The pressure the subwoofer creates has to go somewhere. Even with the rear seat down. It will will force the rear speakers to over excursion. Over time the voice coil could come out of the gap on the 6.5 and damage it. Same with an 8" if you installed it there without an enclosure. You may be able to hear them but that doesn't mean they aren't at risk.

ohh, i understand what you're saying but i dont see how i could possible do anything to avoid this problem

The pressure the subwoofer creates has to go somewhere. Even with the rear seat down. It will will force the rear speakers to over excursion. Over time the voice coil could come out of the gap on the 6.5 and damage it. Same with an 8" if you installed it there without an enclosure. You may be able to hear them but that doesn't mean they aren't at risk.

Yeah I done blew my stock speakers and an aftermarket pair from my subs in my trunk. Any suggestions on how to fix it?

You have to build some enclosures for the speakers to prevent the pressure getting to them and seal them to the rear deck. I would find something like this and reinforce it with some fiberglass or build them out of wood.

http://www.amazon.com/XTC-5-1-Foam-Baffle-Pair/dp/B0002ZPO2W

it would be difficult to fit 8s in my rear deck let alone 8s in some boxes lol does it make a diffrence where the ports are located at for the subs?

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