2 Questions about Boxes... - Realm of Excursion



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Old 04-02-2008   #1 (permalink)
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Default 2 Questions about Boxes...

1st question. If you're planning to port a box made for 2 12's, does it matter if the box itself has 2 chamber's or a single chamber?

And 2nd question. Is the box i designed good enough for some serious beats? The screenshot shows what i made.

Btw the subs have an Fs of 31hz.

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Old 04-02-2008   #2 (permalink)
 
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1st question answer....no you can have 1 chamber but your port will have to be bigger.
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Old 04-02-2008   #3 (permalink)
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need more info
type of subs..
power your putting to them...... things like this... every sub if different and the point of building is a box is to Build one that will allow ur sub to perform at its best.... so let us know exactly what u got
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Old 04-02-2008   #4 (permalink)
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i can't even really see what the box specs are...
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Old 04-02-2008   #5 (permalink)
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http://i53.photobucket.com/albums/g4...2/untitled.jpg
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Old 04-02-2008   #6 (permalink)
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sorry to thread jack but what program is that?
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Old 04-02-2008   #7 (permalink)
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Quote:
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sorry to thread jack but what program is that?
re calculator
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Old 04-02-2008   #8 (permalink)
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link??cant find it..it looks easy to use thats y im asking


nvm found it
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Old 04-02-2008   #9 (permalink)
 
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for 2 12's, i would personally suggest going with 4.5-5 ft^3 for the pair, after displacement. i would also suggest shooting for about 14 in^2 of port area per ft^3.
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Quote:
Originally Posted by Heywood Jablome View Post
for 2 12's, i would personally suggest going with 4.5-5 ft^3 for the pair, after displacement. i would also suggest shooting for about 14 in^2 of port area per ft^3.
i agree with the port aera but the size of the box is dependent on the subs....
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Quote:
Originally Posted by sound=vibration View Post
i agree with the port aera but the size of the box is dependent on the subs....
yes, but however, the larger percentage of the common 12" woofers on the market will fall within the 4.5-5ft^3 bracket for a pair. that was more of what i was trying to say.
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Old 04-02-2008   #12 (permalink)
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well the subs are Polk Momo's and are DVC's. Planning on running them on 700-800rms at 1 ohm. could someone use that calc again and send me a screenshot or picture of what you think the best box would be?
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go to reaudio.com...use the calc...it'll show you the cutouts for all the pieces...
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Old 04-02-2008   #14 (permalink)
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yea, photobucket is being a b*atch right now and i cant upload it to here so im just waiting.
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Old 04-02-2008   #15 (permalink)
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woot it went, i tried to make the box ~4.5cuft and tuned as close i could to 31hz while not going under 4cuft. Tell me what you think of the new design

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Old 04-02-2008   #16 (permalink)
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woot it went, i tried to make the box ~4.5cuft and tuned as close i could to 31hz while not going under 4cuft. Tell me what you think of the new design

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