Posted by Wayne Parham [ 66.139.43.222 ] on March 28, 2005 at 14:31:29:

In Reply to: OT acoustic trap - help posted by JLapaire on March 28, 2005 at 13:14:34:

Add a Helmholtz resonator, which is just a chamber hanging off the side of the duct. That will form an acoustic band-stop filter, which you can set to the offending frequency by the dimensions of the chamber and the connecting passage.

Replies:

• Follow-up - JLapaire 10:01:22 04/13/05 (1)
  • Good Job! - Wayne Parham 13:22:46 04/13/05 (0)
• Re: Helmholtz resonator - JLapaire 11:52:33 03/29/05 (0)