I need my box tuned to 32hz

 

Anonymous
 
my box is 5 cu.ft. but i need to tune it to 32hz can someone give me the formula to do this(please no links)?
 

Gold Member
Username: Tdeaton1021

Near Tampa, Florida USA

Post Number: 1811
Registered: Sep-04
its a very complicated formula for the average joe. the links are very helpful.....
 

Anonymous
 
is this the correct formula 16 sq.in. per cubic foot?
 

Gold Member
Username: Southernrebel

Monroe, Louisiana USA

Post Number: 2109
Registered: Mar-04
http://www.bcae1.com/spboxnew2.htm

scoll down to the ported box calculator and plug in your diminsions.

12-16sq inches per cubic foot is good.
 

Gold Member
Username: Tdeaton1021

Near Tampa, Florida USA

Post Number: 1813
Registered: Sep-04
no that doenst mean anything. the port frequency has to do with port area, box volume, and port length.
 

Gold Member
Username: 54danny54

Betsy layne, Kentucky..GO... USA duh

Post Number: 1764
Registered: Nov-04
id like 2 know the formula if any yall have it
 

Gold Member
Username: Tdeaton1021

Near Tampa, Florida USA

Post Number: 1815
Registered: Sep-04
marshal thats a link lol.... i know he'll use it though even though hes being stubborn. thats the only way unless your like a calculus genious lol.
 

Gold Member
Username: Tdeaton1021

Near Tampa, Florida USA

Post Number: 1816
Registered: Sep-04
just search yahoo for it. its a very comlicated formula.
 

Anonymous
 
IDK its driving me crazy is there a site that will give me a simple
answer of how many sq in and the lenth of the port?
 

Gold Member
Username: Tdeaton1021

Near Tampa, Florida USA

Post Number: 1820
Registered: Sep-04
http://www.carstereo.com/help/articles.cfm?id=31

very easy site IMO. just follow the steps...

what sub are you using and what amp? i'll help ya out.
 

Anonymous
 
hey trevor i used that site but i thought of something since 1 4" round port equals 12.57 sq.in. couldn't i use that theory to get my port size for example on the site i typed in for Quantity of ports-4 then Enclosure Volume-5cu.ft. then Desired Tuning Frequency-32hz and last Desired Port Diameter-4in. and it came up with a 23.53 Vent Length so multiply the 12.57 which equals a round 4" port x 4 which is the Quantity of ports equals 50.28 sq.in. of port area with a 23.53" vent lenght.will this work?
 

Gold Member
Username: Kd7nfr

Montpelier, ID United States

Post Number: 1472
Registered: Apr-05
WinISD is a program used to build boxes:
http://jdesigns.servehttp.com/files/winisdalpha.exe

Download that off my site, and read the tutorial. You'll learn a lot of valuable stuff while doing it, and you'll understand HOW the box works. And if you'll have a nice box design!
 

Anonymous
 
Does anybody know if my formula will work im pretty sure it will but I could be wrong
 

Anonymous
 
bump
 

Anonymous
 
double bump lol
 

Bronze Member
Username: Hootz

Saskatoon, Saskatchewan Canada

Post Number: 82
Registered: Oct-05
Use Bassbox pro. You can enter measurments that you want to remain constant, like a certain box dimension or port frequency, so that however you screw around with the other variables, those will stay constant. It's good if you have a really specific box you want to build. It's easy to find.
 

Gold Member
Username: Tdeaton1021

Near Tampa, Florida USA

Post Number: 1826
Registered: Sep-04
marshall answered you in your other thread....
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