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  #1  
Old 10-08-2011, 10:21 PM
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Default could someone explain this to me??

The highlighted red area you see are Atomics enclosure recommendations for my subs. The green numbers are what i can't figure out. What do they mean?? I want to build my box to meet thes specs and hope to get the best performance from the subs. The current box is 14 cubes w/4-6" aero's that are 16" long each which tunes the box to 30hz. My last box I built for my ssackett motored 18's was 12cuft w/2-8" aero's 17" long and the lows were alot harder and louder. I want the box for my Atomic 18's to do that. Should i just build a box like my last one?? thanks

APX18-ported 6.0ft3 (40six10”long) ( 32Hz)=5000w (SB)
6.0ft3 ( 120six 1”long) ( 65Hz)=5000w (SPL)
Bandpass Rear Chamber:3.0ft3 sealed
Front Chamber: 6.0ft3 ( 100si x 8” long) (72Hz)
Bandwidth: 50-78Hz=5000W (SPL)
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Last edited by beatnbronco; 10-08-2011 at 10:25 PM.
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Old 10-08-2011, 10:50 PM
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It looks like to me they meant "40 Square inches X 10" L"
Which would be the port area by length.
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Old 10-08-2011, 10:55 PM
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this is the only description on the document besides what i put in the first post

All displacements for port and driver already figured. All power measurements are for cone displacement, on sealed designs and port noise on ported designs. (SB = Street bass, low & loud!) (SPL = meter mover)
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Old 10-08-2011, 11:09 PM
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Quote:
Originally Posted by bromo View Post
It looks like to me they meant "40 Square inches X 10" L"
Which would be the port area by length.
sounds good to me but i might need to email them to make sure
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Old 10-08-2011, 11:22 PM
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The "shift" character for the "6" key is the carrot symbol: "^", implying that something is to a certain power (e.g. ^2, ^3, and so on). Why in the world the "6" would be not only mistyped but actually spelled out is beyond my understanding.

Good catch Bromo.
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Old 10-10-2011, 12:21 PM
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Quote:
Originally Posted by SPLEclipse View Post
The "shift" character for the "6" key is the carrot symbol: "^", implying that something is to a certain power (e.g. ^2, ^3, and so on). Why in the world the "6" would be not only mistyped but actually spelled out is beyond my understanding.

Good catch Bromo.

so what does that stuff translate to??
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Old 10-10-2011, 12:27 PM
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Quote:
Originally Posted by bromo View Post
It looks like to me they meant "40 Square inches X 10" L"
Which would be the port area by length.
This.
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Old 10-10-2011, 12:33 PM
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Your port area in square inches
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Old 10-10-2011, 05:11 PM
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thanx guys
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Old 10-16-2011, 10:49 PM
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Quote:
Originally Posted by bromo View Post
It looks like to me they meant "40 Square inches X 10" L"
Which would be the port area by length.
now could this be done with 2-8" aero's or just 1? how do you get port volume?? is it diameter x length?
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