Today's group discussion

augerpro · 30th October 2006, 10:05 AM

Found this the other day: http://www.birotechnology.com/articles/VSTWLA.html

How important do you feel this problem is? Do any of you use the proposed solution in your designs?

Perhaps a MTM shootout using the Vifa D26 tweeter and another "normal" tweeter would be interesting...

sreten · 30th October 2006, 11:06 AM

Hi,

This inherent problem with MTM's has been known for years.
Whether you deal with it or ignore it is up to the designer.

The paper pretty much states the obvious, MTM's are worse
than MT's, and variations of MTM's and MMT's are possible
that more closely match the behavior of MT's.

The alleged advantage of MTM's - having by default a symmetrical
vertical polar response, which is true - it does not follow that this
prevents lobing - it does prevent assymetric lobing - big deal.

/sreten.

30th October 2006, 10:05 AM	#1
augerpro diyAudio Member Join Date: Aug 2006	Today's group discussion Found this the other day: http://www.birotechnology.com/articles/VSTWLA.html How important do you feel this problem is? Do any of you use the proposed solution in your designs? Perhaps a MTM shootout using the Vifa D26 tweeter and another "normal" tweeter would be interesting...

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30th October 2006, 11:06 AM	#2
sreten diyAudio Member Join Date: Nov 2003 Location: Brighton UK	Hi, This inherent problem with MTM's has been known for years. Whether you deal with it or ignore it is up to the designer. The paper pretty much states the obvious, MTM's are worse than MT's, and variations of MTM's and MMT's are possible that more closely match the behavior of MT's. The alleged advantage of MTM's - having by default a symmetrical vertical polar response, which is true - it does not follow that this prevents lobing - it does prevent assymetric lobing - big deal. /sreten.

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