Wayne Parham Messages: 18789 Registered: January 2001
Illuminati (33rd Degree)
I'd probably put a woofer with specs like that in a cabinet from 2.5ft3 to 5.03 tuned to 40Hz, just like the JBL 2226 or Omega 15. That is slightly overdamped, so it's good inside a room and also thermal shifts won't make it peaky down low.
If using it in a larger box like you're talking about, I'd probably shift the Helmholtz frequency down a smidge, say 35Hz to 38Hz.
All those values form kind of a continuum of alignments. Big box, from 6.0ft3 to 10.03, the port should be somewhere between 35Hz and 38Hz, larger tuned lower. Smaller box, below 5.0ft3, tune to 40Hz.
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