BM D450 vs. SD 740N compression drivers |
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davedrpop
Registered User Joined: 13 January 2005 Location: United Kingdom Status: Offline Points: 4 |
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Posted: 03 July 2007 at 10:55pm |
G'day all
I want to make a couple of XM15s - the plans for the X15 list a choice of drivers - BM D450 and SD 740N, whereas the XM15 plans list just the SD 740N. What I'm wondering is: The SD 740N is three times the price of the BM D450 - how much better is it? Is the BM D450 good enough for FOH? I'm down in Poole, Dorset - is there anyone down here who is using these drivers that I could drop in on to have a listen? any help appreciated Dave |
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Tekasis
Old Croc Joined: 03 July 2006 Status: Offline Points: 6492 |
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Good question - From what I've gathered reading about these, I've always seen the Neo compression drivers costing more than the ferrite ones.
I don't really know if it's for the sound or the weight issue why some prefer them.
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ceharden
The 10,000 Points Club Joined: 05 June 2005 Location: Southampton Status: Offline Points: 11776 |
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The big difference is that the BMD-450 is a 1.75" diaphragm on a 1" exit whereas the SD-740N is not only neo but also a 3" diaphram on a 1.4" exit. The 740 will go almost an octave lower than the 450 and handle more power.
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Disco Stu
Old Croc Joined: 03 March 2005 Location: United Kingdom Status: Offline Points: 2487 |
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Nice dave I am in Bournemouth as is Markk James and Void/Pro Audio Parts are in Hamworthy - maybe you should pay them a visit, they may be able to give you a demo!
Stu
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All you need to know is:
Sensitivity + Power Handling - Power Compression = Max Output My acts: www.myspace.com/thebowiexperience www.myspace.com/scheisseelektronisches |
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Tekasis
Old Croc Joined: 03 July 2006 Status: Offline Points: 6492 |
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Are the SD compression drivers just Neo versions of the BM-D range ?
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Mircea Bartic
Old Croc Joined: 18 February 2005 Location: Romania Status: Offline Points: 2582 |
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absolutely no |
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general manager & head designer at nexus-acoustics research
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