In Reply to: JBL 2441Throat Diameter posted by Jim Hodgson on February 25, 2017 at 15:33:09:
AS long as the step in size for increasing area is less than about 1/4 wavelength at the highest frequency of concern, the transition has no significant / measurable impact.
20KHz has a wl of about 5/8 inch fwiw.
Going down in size can act like a low pass or worse depending on how large it is.
Danley Sound Labs
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Topic - JBL 2441Throat Diameter - Jim Hodgson 15:33:09 02/25/17 (8)
- RE: JBL 2441Throat Diameter - tomservo 13:57:24 03/01/17 (2)
- RE: JBL 2441Throat Diameter - Rod M 12:57:33 02/26/17 (0)
- RE: JBL 2441Throat Diameter - EduardG 18:45:22 02/25/17 (3)