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Volume of the spare tire compartment.
#1

I'm starting to think about how I'm going to do my sound installation, and I'm eyeing the spare tire compartment and side cubby holes for use with a custom fit sealed subwoofer enclosure setup. Does anybody know what the cubic volume of these compartments are? I really love the enclosures that guys have installed in the back seat, but I'm not yet willing to give up my back seats.



The side cubby holes are particularly appealing to me, just because they seem pretty useless for anything else. Unfortunately, there is no way I can make my 12" subs work there, so I'll have to start shopping for 8" subs.
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#2

KLA sells sub boxes for the cubbies and the spare tire compartment. I am running one cubby sub and use the spare tire compartment for the amps.



I have no clue what the volume numbers are.
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Bart

'92 968 Arrest me red Coupe

'71 G-Production 510 #61
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#3

I've used the spare tire area to put in a subwoofer. I think it is a 10 inch. The shop custom build a fiber glass box for the compartment. Amp is in the side cubby. I can do pictures if you are interested. I can thump with the teens at traffic lights! <img src="/forum/images/smilies/968/wacko.gif" class="smilie" alt="" />
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#4

dave greimann has a sub built into his right side cubby - pretty sure he has pictures - he uses an 8" driver - nice - we did some work sealing it up a bit and it actually provides soem prety decent low end support - a little more work sealing it up and insulating the sides with some thick foam rubber or something like that, and it would be really sweet



the spare tire well is too large to use as a built in sub, unless you are going to use a 15 - you'd also have to really insulate the heck out of the chamber with some very thick material to prevent rattling
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94 Midnight Metallic Blue Cab Porsche 968 w/deviating cashmere/black interior and WAY too many mods to list - thanks to eric for creating www.968forums.com



"It isn't nearly as expensive to do it right as it is to do it wrong."
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#5

GRC,

There is a long thread of what some of us have done. Key is a great amp / sub woofer / properly sized well sealed box (whatever shape). Mine is great! I am VERY happy with the results. Lots of information on what others have done too.



Sub thread link



Silver BLT
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#6

sure wish i had one to test in a cab - i doubt the sound would make it up front, but i'd like to test it - i have an amp here - feel like taking a drive and popping the driver in my trunk for a few minutes?



failing that, do you have a template for the mounting board?
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94 Midnight Metallic Blue Cab Porsche 968 w/deviating cashmere/black interior and WAY too many mods to list - thanks to eric for creating www.968forums.com



"It isn't nearly as expensive to do it right as it is to do it wrong."
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#7

Sorry, I pitched it as it was only a very rough outline of what was needed. The fender well is curved downward and inward, so unless that outline is followed and ALL lower edges are eased to follow the contour of the sheet metal there is a possibility of creasing the fender from the inside. There are 2 different shelf / ledges heights to deal with in the back. PITA!!! I am by trade a finish carpenter and it took me about 6 hours to be happy with the mounting board. (3/4 MDF)

I used cardboard to make the template, that was the easy part. If I was doing it again I might consider just buying the prebuilt one.



Silver BLT
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#8

good point - forgot scott had one - i'll call him and see if he'll let me play with one to see how it sounds in a cab



i really want to get the bazooka out of the car - i love the sound, but want the space back, and am willing to trade it for that wheel well space, if i can get the sound i want
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94 Midnight Metallic Blue Cab Porsche 968 w/deviating cashmere/black interior and WAY too many mods to list - thanks to eric for creating www.968forums.com



"It isn't nearly as expensive to do it right as it is to do it wrong."
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#9

The subwoofer sounds great up front. Even with truck packed for a 4 day trip to the 968 Celebration. I'm most impressed with the sound when the top is down. Before it was like listening to a cheap AM radio, but now it like a concert hall!
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#10

larry - give me a buzz when you get a minute



now that i have found some 4x6 speakers that go down to 45hz, i am in pretty good shape for low mids, and can afford to cut the sub off lower, which may allow me to put it back there and still have full range sound



you have the one in the tire well right? they arean't listing that one anymore, and i thik i want ot use the cubby, but i'd love to talk to you about what it sounds like in your car
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94 Midnight Metallic Blue Cab Porsche 968 w/deviating cashmere/black interior and WAY too many mods to list - thanks to eric for creating www.968forums.com



"It isn't nearly as expensive to do it right as it is to do it wrong."
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#11

I'll try to give you a call tomorrow.
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#12

[quote name='GuardsRedCoupe' date='Aug 12 2005, 05:43 PM']I'm starting to think about how I'm going to do my sound installation, and I'm eyeing the spare tire compartment and side cubby holes for use with a custom fit sealed subwoofer enclosure setup.  Does anybody know what the cubic volume of these compartments are?[/quote]

Put a large plastic bag (bin liner) inside the cubicle and then fill it up using a bucket of known volume. Count the number of buckets for volume.

You could use plain old water and scoop most of it out once done and then pull out the bag with the remains.
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