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-   -   The DubHorn:Wi's TC 5100NEO loaded 20hz horn. (http://www.diyaudio.com/forums/subwoofers/163904-dubhorn-wis-tc-5100neo-loaded-20hz-horn.html)

Wisounds 26th March 2010 05:25 PM

The DubHorn:Wi's TC 5100NEO loaded 20hz horn.
 
Yep, it is officially that time. I have found my driver, now I will make a horn around it. New ground up FLH design. This thread is intended to chronicle the process from conception, through prototyping, to final design.


Design goals:

>Horn loading to 20hz
>Load with a single TC Sounds 5100NEO
>140db @ 20hz Half Space with 4 cabs/4kw or less

****Uber Super Special Thanks to maxmercy for he is the HornResp Don, and without him this would not be possible****




Here is the initial trace. Grey is one cab, Black is 3. 1kw to each driver, half space.

http://c2.ac-images.myspacecdn.com/i...e6eb70d221.jpg

Expect more updates randomly over the next cpl of months...






I want flat to 20hz, as loud as can be from one or 2 20A 120v circuits. I draw 3kw now, if I can beat the THTs by 10db at 20hz(real figure BTW) I'll win even more.

oublie 26th March 2010 07:59 PM

Whats your xmax like? what about size of horn?

jbell 26th March 2010 08:51 PM

Parts-Express.com:TC Sounds Pro 5100 18" Neo Subwoofer Driver | TC Sounds Pro 5100 18" Driver Package driver driver package 18" driver sub sub bass low frequency lf home theater club dance dj infrasonic bassmaxx aura audiopulse woofer competition sp

A $1200 driver? last time I was just concerned with reusing your JL's....

BTW, one critical missing piece... how big/heavy per cabinet?

MaVo 26th March 2010 08:55 PM

Quote:

Originally Posted by jbell (Post 2132661)
BTW, one critical missing piece... how big/heavy per cabinet?

Looks like a permanent installation. i guess something aroung 1000liters.

Edit: 1) This driver isnt exactly what one would call "cost-effective". You could get better performance for less money. 2) Front loaded horns tend to perform worse than tapped horns as long as the mouth size is small. For a single sub, especially for a 20hz one, tapped horns can give great performance in much smaller sizes.

jbell 26th March 2010 09:22 PM

mavo:

you don't know Wi, like some of us... this is not a permanent installation, he's likely to use these in a living room party..... or in his vehicle.. He cracked a windshield in his explorer once..

MaVo 26th March 2010 10:45 PM

lol, i guess the project can be worthwhile with the appropriate level of fanaticism :D

jbell 26th March 2010 11:09 PM

1 Attachment(s)
Quote:

Originally Posted by MaVo (Post 2132777)
lol, i guess the project can be worthwhile with the appropriate level of fanaticism :D

fanaticism is the CORRECT word for Wi. He wants what he wants, and trying to talk him into something else is a waste of time. His standards are high, and I'm not sure in a quick sim that I can do what he asks. I have to sim in 1pi wall loading to get there on my first attempt.

hmmm...

Wisounds 27th March 2010 02:00 AM

jbell, my friend, been far too long.

These cabs are going to replace my THTs.



Time to post my intro thread here I guess. hehe

Wisounds 27th March 2010 02:28 AM

Quote:

Originally Posted by MaVo (Post 2132664)
1) This driver isnt exactly what one would call "cost-effective". You could get better performance for less money.

That is arguable, but I have to wait till the paperwork is signed.

Quote:

Originally Posted by MaVo (Post 2132664)
2) Front loaded horns tend to perform worse than tapped horns as long as the mouth size is small.

In a direct comparo, the TH gives a bit more at 20-30 but sacrifices above 40.

Here is a TH vs FLH graph.

TH is grey, FLH is black. Hence my choice of open back FLH.

http://c4.ac-images.myspacecdn.com/i...7d156a2d2b.jpg

Wisounds 27th March 2010 02:39 AM

Here is a pic of the driver:

http://www.parts-express.com/images/.../293-674_L.jpg


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