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Old Apr 17, 2004 | 09:18 AM
  #1  
96sunfireGT's Avatar
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I am going to make a ported box for 2 12" Alpine Type R's.
I was thinking around 3.5 - 4 cu ft shared chamber tuned to around 40 hz.
Is 40 hz too high? Should i go lower?
This is not going to be for any competitions or anything like that.
If anyone could comment on the box size and tuning i would appretiate it.
Old Apr 17, 2004 | 09:37 AM
  #2  
mister steve's Avatar
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30 to 35hz
Old Apr 18, 2004 | 02:31 PM
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The lower the better, around 35hz is a great tuning frequency for most cars, because it's almost an octave away from the resonant frequency of the vehicle, giving you a flatter response.
Old Apr 18, 2004 | 02:39 PM
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i'm tuned to 32 Hz [img]smile.gif[/img]
Old Apr 18, 2004 | 02:49 PM
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cool, how does it sound?
Old Apr 18, 2004 | 07:09 PM
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96sunfireGT's Avatar
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Thanks guys, 35 Hz sounds like a plan to me.
But would anyone recomend sealed over ported for two type R's? Someone told me that they sound better sealed rather than ported. Is this true?
Old Apr 18, 2004 | 07:13 PM
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model SWR-1241D
Old Apr 21, 2004 | 02:54 PM
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Matter of prefference:
sealed= +higher power handling, flatter response
smaller box, quicker bass. good for
rock, metal, country, most music.
-not as loud
Ported= +boomier, more efficient, 'sounds' deeper
better for rap, dance etc.
-slower transient response, bigger box.

Type R's sound great in both, but if you have under 300 watts, go ported



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