Which of excel is the best??

e-can · 21st July 2005, 08:38 PM

...w11cy...??? ...paper, magnesium or poly?? which one is the best??
Regards.

Bill Hobba · 27th July 2005, 01:33 AM

Hi E Can

I am not an experienced speaker builder but I would have to answer that depends on what you mean by best. Magnesium cones are measured by Dr Linkwitz to have possibly the lowest distortion of all drivers currently available - certainly of the drivers that he tested. However they have the drawback of having bad resonance problems that need to be tamed in your crossover. So they are certainly not the best from the point of view of crossover design. Also Dr Linkwitz measured the distortion of the accuton drivers to not be as good as the seas magnesium drivers - but some say they have the edge in sounding better - so distortion, while an objective measure, does not necessarily equate to sounding better. My advice for what it is worth is to listen to speakers that contain the drivers you are thinking of using and form your own opinion.

I am currently looking at a design using the DEQX digital correction/crossover so for me crossover design is not an issue. Certainly excel magnesium drivers are high on my list of possible drivers. However what I have decided to do is look at what people who have heard these drivers compared to others have to say and a good source of that are the DIY speaker competition results. Speakers using Excel magnesium drivers have certainly had some good results by winning the DIY Lowa event 2002, 2003 and 2004 However other cone materials have won also - for example I am currently looking at using a Jordan drivers in my design since it won Atlanta 2001 and 2004. A comparison of Excel to Jordan would be nice - any takers?

Thanks
Bill

Beau · 28th July 2005, 01:32 AM

Hi Bill, Im in the middle of a new project using the m15ch mid, youare welcome to come listen as soon as its done.
Cheers Beau.

Bill Hobba · 28th July 2005, 02:33 AM

Hi Beau

Thanks for the invite - it is appreciated. However I have an arthritic condition that makes it difficult for me to travel. When and if it dies down a bit I may be able to.

Thanks
Bill

21st July 2005, 08:38 PM	#1
e-can diyAudio Member Join Date: Jul 2005 Location: Wroclaw	Which of excel is the best?? ...w11cy...??? ...paper, magnesium or poly?? which one is the best?? Regards.

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27th July 2005, 01:33 AM	#2
Bill Hobba diyAudio Member Join Date: May 2005 Location: Redland Bay Queensland	Hi E Can I am not an experienced speaker builder but I would have to answer that depends on what you mean by best. Magnesium cones are measured by Dr Linkwitz to have possibly the lowest distortion of all drivers currently available - certainly of the drivers that he tested. However they have the drawback of having bad resonance problems that need to be tamed in your crossover. So they are certainly not the best from the point of view of crossover design. Also Dr Linkwitz measured the distortion of the accuton drivers to not be as good as the seas magnesium drivers - but some say they have the edge in sounding better - so distortion, while an objective measure, does not necessarily equate to sounding better. My advice for what it is worth is to listen to speakers that contain the drivers you are thinking of using and form your own opinion. I am currently looking at a design using the DEQX digital correction/crossover so for me crossover design is not an issue. Certainly excel magnesium drivers are high on my list of possible drivers. However what I have decided to do is look at what people who have heard these drivers compared to others have to say and a good source of that are the DIY speaker competition results. Speakers using Excel magnesium drivers have certainly had some good results by winning the DIY Lowa event 2002, 2003 and 2004 However other cone materials have won also - for example I am currently looking at using a Jordan drivers in my design since it won Atlanta 2001 and 2004. A comparison of Excel to Jordan would be nice - any takers? Thanks Bill

28th July 2005, 01:32 AM	#3
Beau diyAudio Member Join Date: Jul 2003 Location: Sunshine Coast	Hi Bill, Im in the middle of a new project using the m15ch mid, youare welcome to come listen as soon as its done. Cheers Beau.

28th July 2005, 02:33 AM	#4
Bill Hobba diyAudio Member Join Date: May 2005 Location: Redland Bay Queensland	Hi Beau Thanks for the invite - it is appreciated. However I have an arthritic condition that makes it difficult for me to travel. When and if it dies down a bit I may be able to. Thanks Bill

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