Posted by Wayne Parham on August 07, 2003 at 11:50:12

In Reply to: Re: Port issues posted by Adrian Mack on August 07, 2003 at 04:01:56:

The formulas used are to set the Helmholtz frequency of the cabinet. Some are to know the frequency where the box should be tuned, others are to know what port size will result in that frequency.