Sub placement to counter wide dispersion?

kyrie48 · 20th September 2007, 12:32 AM

Planning on making duel subs with duel 12" sealed drivers... and not sure what configuration to plan on, when taking advantage of the room to level out the [lowest] dip caused by dispersion--when using larger woofers. Thought about a vertical box with ear level centered between the 2 woofers, and placed roughly

16" from the wall?!?

Any ideas, or good web sources that show the effects of different placement regarding sub-bass response???

Thanks, kyrie48

noodle_snacks · 20th September 2007, 02:49 AM

I'm not sure is dispersion si the right word, so I'm not sure as to what you are refering you. I'd suggest investing in a measurement mic, or if on a budget a radioshack SPL meter, then using roomeq wizard to empirically determine the best practical placement. If you have duel drivers then you will get smoother response placing them in seperate enclosures and in different places in the room.

Have a look at this:

http://www.harman.com/wp/pdf/multsubs.pdf

MJL21193 · 20th September 2007, 03:00 AM

Quote:

Originally posted by kyrie48
...show the effects of different placement regarding sub-bass response???

Sub bass in non-directional (as far as you ears are concerned)

noodle_snacks · 20th September 2007, 04:33 AM

Agreed, One can still look for optimal placement in terms of room modes etc

20th September 2007, 12:32 AM	#1
kyrie48 diyAudio Member Join Date: Aug 2006	Sub placement to counter wide dispersion? Planning on making duel subs with duel 12" sealed drivers... and not sure what configuration to plan on, when taking advantage of the room to level out the [lowest] dip caused by dispersion--when using larger woofers. Thought about a vertical box with ear level centered between the 2 woofers, and placed roughly 16" from the wall?!? Any ideas, or good web sources that show the effects of different placement regarding sub-bass response??? Thanks, kyrie48

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20th September 2007, 02:49 AM	#2
noodle_snacks diyAudio Member Join Date: Mar 2004 Location: Hobart, Tasmania	I'm not sure is dispersion si the right word, so I'm not sure as to what you are refering you. I'd suggest investing in a measurement mic, or if on a budget a radioshack SPL meter, then using roomeq wizard to empirically determine the best practical placement. If you have duel drivers then you will get smoother response placing them in seperate enclosures and in different places in the room. Have a look at this: http://www.harman.com/wp/pdf/multsubs.pdf

20th September 2007, 04:33 AM	#4
noodle_snacks diyAudio Member Join Date: Mar 2004 Location: Hobart, Tasmania	Agreed, One can still look for optimal placement in terms of room modes etc

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