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Old 15th January 2014, 11:20 PM   #1
nirvana is offline nirvana  Canada
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Default Mark Audio Alpair 10.2 ML-TL port

I would like to modify the round 2-1/16" x 4" round port
for a rectangular one ( 3/4" depth ) . please give me
the new dimensions.

6" wide x ???

Last edited by nirvana; 15th January 2014 at 11:24 PM.
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Old 15th January 2014, 11:43 PM   #2
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2 1/16" diameter? 4" long?

Maintain the same cross-section & length.The higher R will introduce some R to the vent equations, usually a good thing in my experience.

dave
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