Basic box design.

MWP · 17th November 2003, 01:00 PM

Hi all,

UnixBox (and a few others) is saying that the recommended vented box for my driver is 20.5L with a Fb of 37Hz.

Ive seen quite a few kit designs using the same driver that use a much smaller bass-reflex box (like 15L) with a lower Fb.
If i put thier box configs into UniBox i get a nice smooth curve but with a higher F3.

Basically what i would like to know is; what are the sonic effects of going with a smaller box/lower Fb?

Im guessing that the smaller box and higher F3 gives better accuracy.... ???

Thanks.

Ron E · 17th November 2003, 02:51 PM

Cost and/or aesthetics (or available premade cabinets) are the only likely advantages. Nothing wrong with either design.

JOE DIRT® · 17th November 2003, 04:19 PM

smaller boxes can work with some loose fill....and you can acheive punchier bass to a certain extent but then you will also exibit some distortion at higher levels so it comes down to a trade off on what you willing to sacrifice

DIRT®

17th November 2003, 01:00 PM	#1
MWP diyAudio Member Join Date: Oct 2002 Location: Adelaide, South Australia	Basic box design. Hi all, UnixBox (and a few others) is saying that the recommended vented box for my driver is 20.5L with a Fb of 37Hz. Ive seen quite a few kit designs using the same driver that use a much smaller bass-reflex box (like 15L) with a lower Fb. If i put thier box configs into UniBox i get a nice smooth curve but with a higher F3. Basically what i would like to know is; what are the sonic effects of going with a smaller box/lower Fb? Im guessing that the smaller box and higher F3 gives better accuracy.... ??? Thanks.

17th November 2003, 02:51 PM	#2
Ron E diyAudio Member Join Date: Jun 2002 Location: USA, MN	Cost and/or aesthetics (or available premade cabinets) are the only likely advantages. Nothing wrong with either design. __________________ Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works. --Carl Sagan Science is a way of thinking much more than it is a body of knowledge. --Carl Sagan

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17th November 2003, 04:19 PM	#3
JOE DIRT® diyAudio Member Join Date: Apr 2003 Location: Brantford, ON	smaller boxes can work with some loose fill....and you can acheive punchier bass to a certain extent but then you will also exibit some distortion at higher levels so it comes down to a trade off on what you willing to sacrifice DIRT®

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