18sound 10NMB420 - any experiences?

Defo · 2nd August 2009, 11:15 PM

http://www.eighteensound.com/index.a...roduct&pid=274

Does anyone have experience with this driver? Seems to have a pretty good response curve, with a nice gentle roll off off axis. Inductance is also quite low, and acceptable xmax.

Should be easy to integrate with a small 1 inch tweeter?

tinitus · 2nd August 2009, 11:39 PM

Looks like a midrange driver

http://www.supravox.fr/anglais/haut_...rs/285_GMF.htm

http://www.supravox.fr/anglais/haut_...rs/215_GMF.htm

Defo · 2nd August 2009, 11:45 PM

Quote:

Originally posted by tinitus
Looks like a midrange driver

http://www.supravox.fr/anglais/haut_...rs/285_GMF.htm

http://www.supravox.fr/anglais/haut_...rs/215_GMF.htm

Not very smooth response... Note the measurement resolution is in steps of 20db.

Should have noted that the driver is only ment to be used down to 70hz or so

tinitus · 3rd August 2009, 12:14 AM

Im not sure I would rely too much on any of those response curves

But the 18Sound seem to be around 8db down from 500hz to 100hz
And thats exactly where you actually need more output (BSC)

Effectively you have a 90db+ driver, or so

If you only need down to 70hz, maybe Eminence Beta-8A will do
Its said to sound quite good, and its cheap around 40EUR
May even respond well to a bit of coating, and I love that

Personally, If I aimed at that price range I would take the step and order some TD series AE

2nd August 2009, 11:15 PM	#1
Defo diyAudio Member Join Date: Nov 2008	18sound 10NMB420 - any experiences? http://www.eighteensound.com/index.a...roduct&pid=274 Does anyone have experience with this driver? Seems to have a pretty good response curve, with a nice gentle roll off off axis. Inductance is also quite low, and acceptable xmax. Should be easy to integrate with a small 1 inch tweeter?

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2nd August 2009, 11:39 PM	#2
tinitus diyAudio Moderator Join Date: Nov 2005	Looks like a midrange driver http://www.supravox.fr/anglais/haut_...rs/285_GMF.htm http://www.supravox.fr/anglais/haut_...rs/215_GMF.htm

3rd August 2009, 12:14 AM	#4
tinitus diyAudio Moderator Join Date: Nov 2005	Im not sure I would rely too much on any of those response curves But the 18Sound seem to be around 8db down from 500hz to 100hz And thats exactly where you actually need more output (BSC) Effectively you have a 90db+ driver, or so If you only need down to 70hz, maybe Eminence Beta-8A will do Its said to sound quite good, and its cheap around 40EUR May even respond well to a bit of coating, and I love that Personally, If I aimed at that price range I would take the step and order some TD series AE

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