open baffle subwoofer "enclosure" dimensions

noodle_snacks · 18th July 2006, 12:14 AM

I was given two jaycar venom 15in drivers, i am not sure hat they are suitable for dipole usage (low xmax, vented polepiece will probably be noisy, relatively high distortion) however they aren't doing anything but sitting in boxes and i would like to experiment with a U-Frame or H-Frame subwoofer. I have a behringer feedback destroyer so i will be able to equalise them flat etc, however i can't seem to find anywhere on the net that gives me good instructions on how to decide appropriate enclosure dimensions.

leonrocks · 18th July 2006, 03:51 AM

The bigger you make the baffle, the less eq you will have to use.

noodle_snacks · 18th July 2006, 04:41 AM

less eq = good since i can use less amplifier power to achieve the same end result correct?

What sort of guidelines should i be looking at for a dual 15in subwoofer, (could expand to stereo dual 15s if liked the result)

leonrocks · 18th July 2006, 05:43 AM

Stereo 15s would be great for a reasonable sized room, especially if they have a small xmax. I would try and make the baffle at least 600mm wide, wider if you can.

noodle_snacks · 18th July 2006, 06:51 AM

by dual stereo 15s i meant four total. If i understand you correctly, you mean 600mm equivilent baffle, however an H-Frame for example raises the effective baffle width?

18th July 2006, 12:14 AM	#1
noodle_snacks diyAudio Member Join Date: Mar 2004 Location: Hobart, Tasmania	open baffle subwoofer "enclosure" dimensions I was given two jaycar venom 15in drivers, i am not sure hat they are suitable for dipole usage (low xmax, vented polepiece will probably be noisy, relatively high distortion) however they aren't doing anything but sitting in boxes and i would like to experiment with a U-Frame or H-Frame subwoofer. I have a behringer feedback destroyer so i will be able to equalise them flat etc, however i can't seem to find anywhere on the net that gives me good instructions on how to decide appropriate enclosure dimensions.

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18th July 2006, 03:51 AM	#2
leonrocks diyAudio Member Join Date: Jul 2006	The bigger you make the baffle, the less eq you will have to use.

18th July 2006, 04:41 AM	#3
noodle_snacks diyAudio Member Join Date: Mar 2004 Location: Hobart, Tasmania	less eq = good since i can use less amplifier power to achieve the same end result correct? What sort of guidelines should i be looking at for a dual 15in subwoofer, (could expand to stereo dual 15s if liked the result)

18th July 2006, 05:43 AM	#4
leonrocks diyAudio Member Join Date: Jul 2006	Stereo 15s would be great for a reasonable sized room, especially if they have a small xmax. I would try and make the baffle at least 600mm wide, wider if you can.

18th July 2006, 06:51 AM	#5
noodle_snacks diyAudio Member Join Date: Mar 2004 Location: Hobart, Tasmania	by dual stereo 15s i meant four total. If i understand you correctly, you mean 600mm equivilent baffle, however an H-Frame for example raises the effective baffle width?

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