Enclosure volume

 

Bronze Member
Username: Kennyman

Post Number: 17
Registered: Apr-04
I need to build a sealed sub enclosure for 2 kicker cvr 18" and I would like to know what would be the ideal volume for each chamber? I looked on kickers site but they just gave me a range from 2.2-5.4. Also I'm a little rusty on finding volume can someone tell me the formula I thinks it's L"xW"xH" then divide by 12" to get cubic feet; am I correct
 

Gold Member
Username: Glasswolf

NorthWest, Michigan USA

Post Number: 4339
Registered: Dec-03
12 inches in a linear foot.
12x12x12 inches for a cubic foot.
LxWxH for volume

go with 3.0cu ft for each sub initially.
if you like, you can add about 3 lbs of polyfill per chamber to change the response a bit.
 

Bronze Member
Username: Kennyman

Post Number: 18
Registered: Apr-04
would you recommend polyfill? What are the gains and losses from it? How much polyfill if I were to build a box with 2.5cu ft per chamber
 

Bronze Member
Username: Jmloughrey

Farmington, CT

Post Number: 93
Registered: Jul-04
you'd need about 5lbs of polyfill, figure 1lb of polyfil per each 1cu ft of the the chamber
 

Gold Member
Username: Glasswolf

NorthWest, Michigan USA

Post Number: 4377
Registered: Dec-03
what he said, and polyfill simply makes the box appear about 10% larger than actual volume to the subs.
if you want it, is up to your ears.
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