Is this 18 Sound Driver good for Home Theater?

hawkson · 25th April 2011, 05:17 AM

18NLW9400 - Extended LF Neodymium Driver

I can buy 3 of these drivers for 780USD or 2 for 550$ including shipping.
I would like to build 1 sealed dual subwoofer for home theater. I am wondering if this is recommended for HT and will it go deep enough. I will be using a ep2500 to power 2 of them.

Thank you for your input

_henry_ · 25th April 2011, 05:23 AM

hi hawkson,

their modeled box is 180L/driver. thats quite big volume

im sure it will do the job very well.

cheers
henry

hawkson · 25th April 2011, 10:44 AM

Thanks henry
I didn't realize that.

I have a hard time understanding the models... What about in a 5/6 cubic foot box?

hawkson · 25th April 2011, 10:47 AM

I am debating between this and a HI VI driver... If you have any input for HT let me know

bjorno · 25th April 2011, 10:55 AM

Quote:

Originally Posted by hawkson

..subwoofer for home theater... this is recommended for HT and will it go deep enough...

Hi,

One driver in a ~ 8 cu,ft T-TQWT looks IMO to be a very good choice for HT applications.

b

hawkson · 25th April 2011, 11:34 AM

Thanks for the input.

Can you comment on whether putting 2 of these in a subwoofer is acceptable at 8 cubic feet? Also, what is T-TQWT.

bjorno · 25th April 2011, 11:50 AM

Quote:

Originally Posted by hawkson

Thanks for the input.

Can you comment on whether putting 2 of these in a subwoofer is acceptable at 8 cubic feet? Also, what is T-TQWT.

Yes this would work too, Just enter 2 drivers into HR main screen and adjust for best performance using the Loudspeaker Wizard, i.e. L12 must be set to minimum 46.2 cm.
T-TQWT = Tapped-Tapered-Quarter-Wave -Tube.

b

bjorno · 25th April 2011, 12:22 PM

~8 cu.ft T-TQWT using 2 drivers in parallel:

b

hawkson · 25th April 2011, 03:21 PM

Did you manually enter the info into WINISD
OR Did you download a File
Or does the program have it already? I can't find it in the program
Thanks

bjorno · 25th April 2011, 04:55 PM

Horn-responce program

Hornresp

I manually entered Sd into the HR program then clicked the Cms..and so on..

b

25th April 2011, 05:17 AM	#1
hawkson diyAudio Member Join Date: Apr 2011	Is this 18 Sound Driver good for Home Theater? 18NLW9400 - Extended LF Neodymium Driver I can buy 3 of these drivers for 780USD or 2 for 550$ including shipping. I would like to build 1 sealed dual subwoofer for home theater. I am wondering if this is recommended for HT and will it go deep enough. I will be using a ep2500 to power 2 of them. Thank you for your input

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25th April 2011, 05:23 AM	#2
_henry_ diyAudio Member Join Date: Jun 2002 Location: Indonesia	hi hawkson, their modeled box is 180L/driver. thats quite big volume im sure it will do the job very well. cheers henry

25th April 2011, 10:44 AM	#3
hawkson diyAudio Member Join Date: Apr 2011	Thanks henry I didn't realize that. I have a hard time understanding the models... What about in a 5/6 cubic foot box?

25th April 2011, 10:47 AM	#4
hawkson diyAudio Member Join Date: Apr 2011	I am debating between this and a HI VI driver... If you have any input for HT let me know

25th April 2011, 11:34 AM	#6
hawkson diyAudio Member Join Date: Apr 2011	Thanks for the input. Can you comment on whether putting 2 of these in a subwoofer is acceptable at 8 cubic feet? Also, what is T-TQWT.

25th April 2011, 03:21 PM	#9
hawkson diyAudio Member Join Date: Apr 2011	Did you manually enter the info into WINISD OR Did you download a File Or does the program have it already? I can't find it in the program Thanks

25th April 2011, 04:55 PM	#10
bjorno diyAudio Member Join Date: Mar 2005 Location: Jacobsmountain	Horn-responce program Hornresp I manually entered Sd into the HR program then clicked the Cms..and so on.. b

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