Is this 18 Sound Driver good for Home Theater? - diyAudio
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Old 25th April 2011, 06:17 AM   #1
hawkson is offline hawkson  United States
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Default 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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Old 25th April 2011, 06:23 AM   #2
_henry_ is offline _henry_  Australia
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hi hawkson,

their modeled box is 180L/driver. thats quite big volume
im sure it will do the job very well.

cheers
henry
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Old 25th April 2011, 11:44 AM   #3
hawkson is offline hawkson  United States
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Thanks henry
I didn't realize that.

I have a hard time understanding the models... What about in a 5/6 cubic foot box?
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Old 25th April 2011, 11:47 AM   #4
hawkson is offline hawkson  United States
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I am debating between this and a HI VI driver... If you have any input for HT let me know
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Old 25th April 2011, 11:55 AM   #5
bjorno is offline bjorno  Sweden
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Quote:
Originally Posted by hawkson View Post
..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
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Old 25th April 2011, 12:34 PM   #6
hawkson is offline hawkson  United States
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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.
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Old 25th April 2011, 12:50 PM   #7
bjorno is offline bjorno  Sweden
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Quote:
Originally Posted by hawkson View Post
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
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Old 25th April 2011, 01:22 PM   #8
bjorno is offline bjorno  Sweden
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~8 cu.ft T-TQWT using 2 drivers in parallel:

b
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Old 25th April 2011, 04:21 PM   #9
hawkson is offline hawkson  United States
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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
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Old 25th April 2011, 05:55 PM   #10
bjorno is offline bjorno  Sweden
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Horn-responce program

Hornresp

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

b
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