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  #1  
Old 09-19-2010, 01:24 AM
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Default 4th or 6th order help

currently have 2 btls in a 4th order and was looking at adding 2 more...maybe even going with different subs...what would be the ideal ported to sealed numbers? also i would like to keep my port around the same size opening.(dont really wanna cut any more of my cab out than i have to)..i have around 20-25 cubes..thinkin about makin a removable top so it will be easier to remove the subs...just really wanna know if i have the space or not..anybody?
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Old 09-20-2010, 02:12 PM
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come on guys someone knows a little about this...lol
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Old 09-20-2010, 02:15 PM
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yes you have the room.

The same size port in a larger chamber will need to be shorter to keep the same tuning you have.

the rest depends on the exact specs of the speakers
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Old 09-20-2010, 04:39 PM
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well what i have now doesnt hit the lows like i would like it to...the subs seem to bottom out to quickly.

well i was thinkin two more btls...but honestly would rather have something with a smaller diameter magnet....these are a bish to get in. lol

also looking for subs that perform well in 4th orders...might hit up PSI to make me some any suggestions?
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Old 09-20-2010, 04:44 PM
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Quote:
Originally Posted by treylittlefield View Post
well what i have now doesnt hit the lows like i would like it to...the subs seem to bottom out to quickly.

well i was thinkin two more btls...but honestly would rather have something with a smaller diameter magnet....these are a bish to get in. lol

also looking for subs that perform well in 4th orders...might hit up PSI to make me some any suggestions?
1)Sealed chamber is to big.
2)Sa 12's
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Old 09-20-2010, 05:39 PM
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I wanna say the sealed chamber is .7 ...hold on and i will put the deminsions of box on here. also would 2 sa12's be louder than 2 btls? lol they triple the rms rating on them..i was thinking along the lines of nightshades, level 5's, wardens, tc 5200's( I WISH) lol, and BTL's, Maybe even Mayhems??
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Old 09-20-2010, 07:06 PM
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Old 09-22-2010, 06:07 PM
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nobody?
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Old 09-22-2010, 06:43 PM
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Sealed chamber is too big and your tuning is prolly two high...and btls perform really well in 4th order I'm not shure why your not hitting lows but if you want more lows I would upgrade to mabey a larger size sub could work?
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Old 09-22-2010, 06:46 PM
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well if my sealed portion is to big then thats probably why its not hitting the lows as good...and i can only fit a 12 in my bed under the cover..also its tuned to 43 hz...that should hit the lows very well..
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