Shivers
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Hello everyone. I'm using the RE box calculator to design a ported enclosure for my subwoofer. I know I want 29.25 total port length. After entering in all of my other dimensions, I played around with the numbers until I got this: What I dont understand is how a 12.75" piece and a 12" piece make a 29.25" port length. Calculated to inside: 12.75+12=24.75 Calculated to outside: 16+12+.75+2.5=31.25 Averaged: (24.75+31.25)/2=28 Middle of port: 12.75+1.25+12+1.25=27.25 If someone could please explain how this works to me it would be much appreciated.