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8 inch sub box size

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Old Mar 18, 2003 | 05:44 PM
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1969Ford_360's Avatar
1969Ford_360
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Question 8 inch sub box size

Hey how big should i make my box?Its for an 8 inch sub. cause i heard somewhere it should be like .6 to .8 cubic feet or somthing. if you could give me the dimentions in Hight x length x width that would be great.

Thanks scott.
 
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Old Mar 18, 2003 | 08:35 PM
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8 inch sub box size

It usually depends on the brand and model of the sub, if you have those, we can give more accurate info. Also if you prefer sealed, bandpass or ported. Sealed will give tighter, more accurate bass response, but will require more power. Ported boxes will give you deeper bass but tend to be larger. Bandpass boxes also offer very deep bass but only within a certain frequency range, and they also tend to be larger than sealed.
 

Last edited by e_no_g; Mar 18, 2003 at 08:42 PM.
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Old Mar 18, 2003 | 09:16 PM
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optikal illushun's Avatar
optikal illushun
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From: Coal Region
8 inch sub box size

.8 sounds a little big, BUT it depends on manufactor specs...do u have a sub picked out? what type of truck? little more info will help us help u more
 
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Old Mar 19, 2003 | 05:42 PM
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From: Good ole U S of A
8 inch sub box size

0.8 cube may not be too big for the sub. It all depends on the parameters and what you want out of the sub.

Sub brand/model number/parameters would be of great use

Tempe
 
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Old Mar 21, 2003 | 05:39 PM
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1969Ford_360
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8 inch sub box size

well its just a POS 8 inch i got from x-s cargo haha dont know much for specs
its hooked up to a 80 watt 2 way amp i put a 150 milla amp capacitor on it
the sub is 27hz-1.2khz i was thinking of putting a bigger cap on it to cut out the unwanted high notes since the amp doesnt have a fillter got any ideas on what size of cap i should move up to ?


thanks, scott
 
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Old Mar 22, 2003 | 12:38 PM
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Tempe
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From: Good ole U S of A
8 inch sub box size

You should not have an inline capacitor. Based on your value of 150, I'm assuming you have a 150 microfarad capacitor runned inline to your positive terminal on your sub. This particular size of capacitor would allow frequencies ABOVE 265 hz to reach your sub. Instead, you might want to look into getting an inline inductor that has a value of around 8 millehenries.

Select Products Crossover Calculator (always avail. in my link page)

Honstly, I would scratch that entire idea. For the price of such a value of inductor, you might as well get one of them cheep electronic subwoofer crossovers. After searching eBay, I came up with these hits:

Tempe
 
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