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Old 5th October 2004, 12:15 PM   #1
DirkD is offline DirkD  South Africa
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Default Box size for bass reflex

Hi all

Hope someone can help me with a question.

I have a pair of Scan Speak 18W8543 woofers that I would like to use in a floor standing bass reflex box of about 34 l. Now the problem is that the reccommended box size for this driver is 7 - 18 liters and I would like to know what the effect will be of using them in such an oversize box. Any suggestions on bass tuning in my planned boxes?

Thanks

DirkD
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Old 5th October 2004, 12:33 PM   #2
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Modeling the driver in WinISD would give you a rough idea of what might happen...
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Old 5th October 2004, 05:27 PM   #3
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Go here and download the article on Alignment Calculations. Look for the section on Non-flat alignments.

http://www.highefficiencyloudspeaker...Downloads.html
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Old 5th October 2004, 11:35 PM   #4
DirkD is offline DirkD  South Africa
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Thanks noodle_snack. I did model it in WinISD and it looks OK to me,but I was wondering if anyone could perhaps comment on the effect on sound quality a non-flat alignment would have.

Thanks hornlover. It looks like a really great site.

D
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Old 6th October 2004, 12:16 AM   #5
Wizard of Kelts
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Default Re: Box size for bass reflex

Quote:
Originally posted by DirkD

I have a pair of Scan Speak 18W8543 woofers that I would like to use in a floor standing bass reflex box of about 34 l.
Are you building two boxes with one Scan Speak each or one box with two Scan Speaks?
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Old 6th October 2004, 12:05 PM   #6
DirkD is offline DirkD  South Africa
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Hi there kelticwizard

I would like to use one woofer per 34liter enclosure, but maybe you could enlighten me with the results if you were to use two per box.

Thanks
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