Mobile Audio Competitors Organization
Mobile Audio Competitors Organization
Mobile Audio Competitors Organization
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Mobile Audio Competitors Organization

THE LOUDEST SPORT ON EARTH!
 
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Joint Finals a success. USACI numbers down due to very remote (from USACI) location but better than expected. Results posted on web site.
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 Optimal Port Area

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4 posters
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chrisbaldelli
Above Average Contributor
Above Average Contributor
chrisbaldelli


Number of posts : 559
Age : 39
Location : Houston, TX
Registration date : 2008-11-30

Optimal Port Area Empty
PostSubject: Optimal Port Area   Optimal Port Area Icon_minitimeSat Apr 24, 2010 5:47 pm

I was hoping we could try to establish a correlation between the optimal port area, box size, and power.

The rule of thumb is 16 sq in of port for each cubic foot, but some people say "as much port as you can manage!"

What do YOU have in your SPL/SB/Daily setups?


Currently: 3cf, 105 sq in... that's ~35 sqin/cf
power is ~1200w

Previously: 2.4 cf, 64 sq in... that's 27 sqin/cf
This setup was louder than the current one.
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nothingtooloud
Novice Contributor
Novice Contributor
nothingtooloud


Number of posts : 161
Age : 41
Location : Maryville MO
Registration date : 2008-12-21

Optimal Port Area Empty
PostSubject: Re: Optimal Port Area   Optimal Port Area Icon_minitimeSat Apr 24, 2010 6:10 pm

14.25 cubes, 207 sq of port 3k
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p_fitzpatrick
Novice Contributor
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p_fitzpatrick


Number of posts : 163
Age : 47
Location : Farmington, NM
Registration date : 2009-04-10

Optimal Port Area Empty
PostSubject: Re: Optimal Port Area   Optimal Port Area Icon_minitimeSat Apr 24, 2010 11:34 pm

2.4 cubic foot box, 92.25 cubic inches of port = 38.41 inches / cube
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outsideshot23
Above Average Contributor
Above Average Contributor



Number of posts : 638
Age : 37
Location : OK
Registration date : 2009-09-13

Optimal Port Area Empty
PostSubject: Re: Optimal Port Area   Optimal Port Area Icon_minitimeSun Apr 25, 2010 10:38 pm

13.5 cu ft 285^in port..
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chrisbaldelli
Above Average Contributor
Above Average Contributor
chrisbaldelli


Number of posts : 559
Age : 39
Location : Houston, TX
Registration date : 2008-11-30

Optimal Port Area Empty
PostSubject: Re: Optimal Port Area   Optimal Port Area Icon_minitimeMon Apr 26, 2010 6:28 pm

Thanks for the replies. We have:
14 to 38 as the range, with a mean value of 27.15 (in^2/ft^3)

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PostSubject: Re: Optimal Port Area   Optimal Port Area Icon_minitime

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