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hifiapart
05-03-2009, 12:12 PM
Hi,
The A8 has a port that is 16" wide, 1" high and depth is 3/4" (equal to plywood thickness).

Now I am not the best at mathematics but I figured that this is a frequency of 36htz (+/-).

Could anybody confirm that?

Tim

stephane RAME
05-04-2009, 11:20 AM
Hello,
The mathematical model to calculate the resonant frequency.

http://audioheritage.org/vbulletin/showpost.php?p=121227&postcount=24

Stéphane
http://audioheritage.org/vbulletin/showthread.php?t=11750