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Need some input.

I am getting 2 12" Eclipse Aluminums.

Which would sound better.

1) Sealed box.

2) DIY Flush Mount in the spare tire space

 
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Wouldn't the DIY speaker box be sealed as well? The shape wouldn't really effect the sound in a sealed box, just he volume. The spare tire box would take up less space tho.

 
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Yes it would be sealed.

So the sound quality would be the same.

Would the volume be more in the box or the DIY

 
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depends on the box size, the eclipse alums have a rather large mounting depth since the magnet is rather large. you will have to raise the trunk floor.

i personally dont like the flush look in the trunk, but thats just my opinion

 
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airspace would be the same, if you built it that way. its all up to you.

 
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i can send you some basic measurements that are a modification of the diy on the site made to fit the airspace needed for eclipse alums sealed perfectly

 
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Thanks......can you email it to kpajnigara@yahoo.com when you get the chance.[IMG]i/expressions/beer_yum.gif[/IMG]

 
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Mounted flat like that you will hear more cone noise, and more distortion. Facing the tailgate will produce higher SPL due to the shape of the sound waves, and the pattern they move in. I would really recomend doing it with the box facing the tailgate.

 
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mystic, could you clear something up for me? could you explain in detail what cone "noise" is, and why i cant hear a difference in my car between rear firing and up firing, rear AND upfiring, and even forward firing when i stuf around the box? (hear as in quality difference, not in volume difference)

also could you tell me why i didnt gain or lose any SPL between upfiring and back firing and firing up AND back at teh same time? all this with the same box same woofer same amplifier and same settings, of course..........

 
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i lost no spl with mine... had no extra rattles... and i have a full trunk when i put the panel on top

 
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Are you listening to a digital rap baseline, or actual music? If you listen to the sub with it facing up, or facing into the passenger compartment, you can get a noise thats hard to describe....almost like it's rattling I guess. You might not be hearing it over the rattle of your car [IMG]i/expressions/face-icon-small-wink.gif[/IMG] or you might just not be into music enough to pick it out. It's easier to hear with rap, because the bass is digitized, and therefor, it's playing just a bass note, not like a bass drum. Also, if your subs arent that great or you arent turning it up all the way, then maybe thats why you arent hearing anything. If it sounds OK to you, then go for it....I was just sharing my experience with my car [IMG]i/expressions/face-icon-small-wink.gif[/IMG]

 
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What your referring to is cone flex... most quality subs these days don't suffer from it.....



Are your Alums SVC 4ohm or DVC4ohm?

The DVC subs require larger enclosures for optimal use.. .88 would work well for the SVC alums 1.1 would work well for the DVC alums

 
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unfortunately, the eclipse alum CAN suffer from cone flex, it dents WAY easy, too. takes no force at all to deform those cones.....

 
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Rear firing in a sealed box WILL, WON'T, or CAN cause cone flex for the 12" Aluminum Eclipse.
I'm a little confused with this "cone flex" thing.[IMG]i/expressions/face-icon-small-confused.gif[/IMG][IMG]i/expressions/face-icon-small-confused.gif[/IMG][IMG]i/expressions/face-icon-small-confused.gif[/IMG][IMG]i/expressions/face-icon-small-confused.gif[/IMG]

 
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can

upfiring can too

forward firing can too

putting the woofers in teh cabin can too

hucking them in a trashcan can, too

its independant of speaker position

 
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custom fiberglass box

 
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Here's a solution: Build fiberglass sub boxes in the pockets behind yout taillights.