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  #1  
Old 09-01-2014, 08:21 PM
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Default how much is too much : Port :

just curious on your opinions on how much port is too much...

i've always had very good luck with building the port a little on the larger side...

i hear alot that 16 sq inches of port per foot is a standard... but i lend more to 18+ per cube. its always done well for me but, i'm looking to rebuild the truck once again, and i'm thinking of doing two cheap ebay type 15's for now, and looking to do a below the window box. i can squeeze a solid box in there

say 49 inches wide, by 25-26 tall and a good 16-18 deep, subs and port would fire up,

last box I built like that was iirc 49w*26.5*18 with a nice 8 inch wide x 16.5 tall port tuned around 35. and that box SLAMMED..... however i did have 2 dclvl4xl's at 1 ohm on a crescendo 3kwp.... but still....

just curious on opinions on how much is too much before i just start to have loading issues say... the port just being so big that it just acts as an extension of the interior of the box and I start to unload the subs well before tuning....
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Old 09-01-2014, 09:12 PM
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I'd say if you still want a musical box keep it below 20 sq in. Now my burp box's I test all kinda of ports and use whatever is loudest. For daily IMO anything past 16 per gets peaky
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Old 09-01-2014, 09:16 PM
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cheap ebay subs would probly suffer from too much port.
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Old 09-01-2014, 09:22 PM
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16 squar inches or port tends to act peaky...to far above or below tuning and the subs unload bad....15 square inches of port per cube is more forgiving in every way
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Old 09-01-2014, 09:28 PM
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*waiting for someone to bash the port per cube thing*
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Old 09-01-2014, 11:14 PM
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That can be used as a starting point but still vent mach should be checked. And likely with a cheaper low xmax sub you will want down around 11-12.
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Old 09-01-2014, 11:17 PM
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The goal is to pick up cheap subs and upgrade very soon I basically will be loading subs in a box built for other subs
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Old 09-01-2014, 11:21 PM
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If you use aeros, 9-12 sq in per cube.
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Old 09-01-2014, 11:24 PM
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I've had good luck with 13-16 per. But my best sounding setup had 11 per. All depends on your musical goals.
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Old 09-16-2014, 03:52 AM
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My old Death Row was 40 square inches for 3 cubes and sounded fantastic.
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