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Old 20th July 2011, 01:40 PM   #1
diyAudio Member
Join Date: Mar 2011
Default Subwoofer enclosure

I have the all parameters for jbl sub cs1215, Qts-0.54,Qes-0.57,Vas-76.7 Lts, Fas-28hz, Xmax - 12.1mm ,Dia -12",then the Vb - 31.57 Lts at Qtc-1,

At sealed rectangle enclosure,L-12.5" ,H - 20.25" D - 7.5" , So i m confused,

because diameter is 12", So give any other dimension at that volume for any other type sealed enclosure....

Regards ,
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Old 31st July 2011, 06:10 AM   #2
deena is offline deena  India
diyAudio Member
Join Date: Jan 2004
Location: bangalore
As per the dimension W x H x D for Vb=31.57lts looks like it is followed for "Golden Ratio" rules for reducing standing waves.But IMHO, i feel this ratio may not be valid for "real Subwoofers" because the wavelength is too long for it.
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