Question about cubic feet

drumsz · 11th November 2008, 08:14 PM

Hi All
i have a few sets of plans i'm looking at colossus(fane),ciare,br 115,b&c sub 15
ok.... so is it better to go with the smaller or bigger suggested
volume i want a small foot print with tight punch will it hurt the driver over time ??
they will be ported or refelex ...... witch is better also ???

i'm more used to buying pro cabs but have good woodworking skills
and i'm bored sitting around have a kappa pro lf-2 15
my earlier post didn't get much

any help appreciated

thankx

Pikefish · 11th November 2008, 10:41 PM

Google says: 120L ported to 50Hz works well.

You can make it side, up or down firing, if it fits in 400mm then 400x400x800cm, narrow enough footprint? Have the port at the bottom for better half-space action, a slot-type port even so things are less likely to be able to crawl into it, and you can make it all from wood. Throw a little stuffing in there to damp those half-wave resonances and you're done. Some bracing along the long panels would probably be needed too.

drumsz · 11th November 2008, 11:39 PM

THANXZ SO MUCH !!!!!!
I was looking at a cab simmiler to that but was un sure
nice job love it !!!!

11th November 2008, 08:14 PM	#1
drumsz diyAudio Member Join Date: Oct 2008	Question about cubic feet Hi All i have a few sets of plans i'm looking at colossus(fane),ciare,br 115,b&c sub 15 ok.... so is it better to go with the smaller or bigger suggested volume i want a small foot print with tight punch will it hurt the driver over time ?? they will be ported or refelex ...... witch is better also ??? i'm more used to buying pro cabs but have good woodworking skills and i'm bored sitting around have a kappa pro lf-2 15 my earlier post didn't get much any help appreciated thankx

11th November 2008, 11:39 PM	#3
drumsz diyAudio Member Join Date: Oct 2008	THANK YOU THANXZ SO MUCH !!!!!! I was looking at a cab simmiler to that but was un sure nice job love it !!!!

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11th November 2008, 10:41 PM	#2
Pikefish diyAudio Member Join Date: Aug 2008	Google says: 120L ported to 50Hz works well. You can make it side, up or down firing, if it fits in 400mm then 400x400x800cm, narrow enough footprint? Have the port at the bottom for better half-space action, a slot-type port even so things are less likely to be able to crawl into it, and you can make it all from wood. Throw a little stuffing in there to damp those half-wave resonances and you're done. Some bracing along the long panels would probably be needed too.