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Thanks Francis and Ruediger, much appreciated.




Found it: link.



Thanks; I assume you mean to reduce the enclosure volume.

.. and here are the corresponding plots of phase and group delay. I'm not sure what to make of these...

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OK, so here are WinISD plots for the 2225H in enclosures of 120, 140, 160, 180, and 200 litres (red, orange, green, blue, and violet lines), where the port tuning frequency was adjusted to be the...

Thanks Ruediger. Your comments suggest: (i) that the JBL enclosure guide provides only minimum enclosure volumes for portable speakers, and (ii) that 8 cubic feet (226 litres) will be better in my...

Hi all,

According to this post, the original (DD55000) Everest had a bass enclosure volume of 180 litres + 27 litres = 207 litres, and an "effective volume" of 227 litres (8 cubic feet) when...