Posted by Wayne Parham on August 16, 2002 at 11:31:39

In Reply to: converting port size posted by replay on August 16, 2002 at 05:45:01:

That's getting pretty small for earthshakers like the Premiums are. But you can expect the same tuning frequency if you'll make a 4" diameter port that's 3.5" long.

I recommend that you consider keeping the larger rectangular port if you can.

• Re: converting port size - replay 11:57:51 08/16/02 (1)
  • Re: converting port size - Wayne Parham 14:29:05 08/16/02 (0)