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Another subbox thread..

Old 07-28-2009, 01:02 AM
500 Watt CAFz'r
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Another subbox thread..

Well, I'm getting rid of my sunfire because it cant stay in one piece (I had the head gasket replaced, and now the clutch is gone [only 150K])
I managed to snag a 2001 nissan sentra se with less then 30K on it and it was only driven during the summer months (it was my grandparents )

The question at hand is what I should do for a sub box.
The music I listen to is mainly metal (thrash), which the bass is very fast, or 'tight'. Really, its more so heavy on the midbass; maybe one day I'll own a pair of MLK 165's.
So I was told that a sealed enclosure is the only way to go other wise it will just sound muddy. However, reading this forum many of you seem to recommend a ported box any ways. Or should I stick with sealed?

What kind of tuning on the box would I want to achieve this?
This build is definitely more SQ then SPL (just because every one states this in their thread)

From alpines site, I don't see any recommendations on box size for ported (or sealed).

Sub: Alpine type-R 10''
Sub amp: Alpine MRP-M500 500W rms.

Thanks for the help.
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Old 07-28-2009, 08:14 AM
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Old 07-28-2009, 08:18 AM
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Sealed for sure. Although ported will be louder the response curve will/can be boomy.
You have to balance at this point SQ for 3-5db peak gain around the tuning freq, and choose.
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Old 07-29-2009, 02:51 AM
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thanks for the help.

Anyone else?
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Old 07-29-2009, 06:00 AM
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stay sealed and about 1 cubic foot total, that'll keep it nice and tight and still hit the odd low note... I listen to older thrash and speed metel so I understand what you're looking for
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Old 07-29-2009, 12:00 PM
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Thats great, thanks! A sealed enclosure will be much easier to make.

Thats 1cubic after sub displacement? (which, from the person who linked the manual is about 0.5 cu/ft)
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