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Original Message
RE: Bass in rooms below 150Hz? how many peaks might I expect to have?
Posted by b.l.zeebub on December 31, 2016 at 05:38:16:
CABS (Controlled Acoustic Bass System) might be an interesting read.
Think of it as an active bass trap and it is mainly dealing with rectangular rooms but is also applicable to other shapes.
The results (ie reduction of peaks) is quite impresssive.
http://vbn.aau.dk/files/12831869/AC-phd.pdf
http://vbn.aau.dk/files/62729248/LF_sound_field_control.pdf