T-M-W-W question

andrew01 · 9th August 2006, 10:25 AM

Hi,
I have a question regarding a project which is in T-M-W-W configuration.

If I change the layout to W-T-M-W would the crossover need to be changed ?

Thanks
Andrew

andrew01 · 9th August 2006, 11:06 AM

Probably a real dumb question , but I'm a newbie....

I ask because I've read there is a difference in crossover design between T-M-M and M-T-M.............so..............

ralphs99 · 9th August 2006, 11:14 AM

Hi Andrew,

IMO no. While the response will be altered somewhat in the region of the crossover between M-W, the crossover frequency is probably low enough (<200Hz) that room effects will probably be more important than the speaker's on-axis response in determining the sound of the speakers.

Cheers, Ralph

sreten · 9th August 2006, 11:45 AM

Quote:

Originally posted by andrew01
Hi,
I have a question regarding a project which is in T-M-W-W configuration.

If I change the layout to W-T-M-W would the crossover need to be changed ?

Thanks
Andrew

No as long as the hieght (ear level) of T/M axis is not changed.

Quote:

Originally posted by andrew01
Probably a real dumb question , but I'm a newbie....

I ask because I've read there is a difference in crossover design between T-M-M and M-T-M.............so..............

There are big differences due to T/M c/o frequency.

/sreten.

angsuman · 9th August 2006, 05:39 PM

Nothing's a dumb question. Yea while i'm not completely sure as long as the center to center distance between the woofers is close enough for the crossover frequency it should be fine. But i'd expect some changes when you move off axis...though i'm not sure what these would be.

9th August 2006, 10:25 AM	#1
andrew01 diyAudio Member Join Date: May 2003 Location: Adelaide Southern Suburbs	T-M-W-W question Hi, I have a question regarding a project which is in T-M-W-W configuration. If I change the layout to W-T-M-W would the crossover need to be changed ? Thanks Andrew

9th August 2006, 11:14 AM	#3
ralphs99 diyAudio Member Join Date: Jul 2006	Hi Andrew, IMO no. While the response will be altered somewhat in the region of the crossover between M-W, the crossover frequency is probably low enough (<200Hz) that room effects will probably be more important than the speaker's on-axis response in determining the sound of the speakers. Cheers, Ralph __________________ Aeronet research pages Acoustic, Electronic & Speaker Design

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9th August 2006, 11:06 AM	#2
andrew01 diyAudio Member Join Date: May 2003 Location: Adelaide Southern Suburbs	Probably a real dumb question , but I'm a newbie.... I ask because I've read there is a difference in crossover design between T-M-M and M-T-M.............so..............

9th August 2006, 05:39 PM	#5
angsuman diyAudio Member Join Date: Mar 2005 Location: Las Vegas NV	Nothing's a dumb question. Yea while i'm not completely sure as long as the center to center distance between the woofers is close enough for the crossover frequency it should be fine. But i'd expect some changes when you move off axis...though i'm not sure what these would be.

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