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Old 3rd September 2003, 01:47 AM   #21
Bull is offline Bull  United Kingdom
diyAudio Member
Join Date: Oct 2002
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Lightbulb reply

VEC70R,well heres why yours produces more bass.

A bandpass enclosure is more efficent in sub bass than a ported bass reflex enclosure.
It's common to find bandpass sub bass enclosures used for car entertainment music and video/dvds to give the low end rumble for movies,and low end thump for music.
And that driver being in a bandpass is twice as efficent as being in a ported bass reflex cabinet [of the same size' dimensions'].

P.S. A more efficent design is one which is more louder in the sub bass than other.Think of it like a light bulb [how much goes into light and how much is wasted as heat].Eg,thats why energy saver bulbs generate little heat and more light,that term is considered efficency.

Hope the bandpass subwoofer project works out ok with your main speakers[intergrates well]. Good Luck m8
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