[KrazyBassKevin]

Hey guys,

I finally got the means :spend: to put together my build i Got the 18 In Fi Q (dual 2 ohm, loaded) and a Behringer Europower ep4000

Although im lost for a box build

I thinking Mdf 3/4 or 1 in i cant decide ive been told 3/4 is fine cheaper and more easily obtained at a HD or Lowes

I was thinking sealed Cube or Rectangle box

Ported or Sealed ive go the power for a really nice Sealed i herd the Sq is wonderful But i do want it to get loud!!! :hsd: :yikes:

Use is primarily music but for movies or HT too, but mostly for playing music and Bass Guitar(if i can?):dontknow:

and screws counter sinking all these i need some advice.:huh: :dumbcrazy: im kinda lost there

Also Veneer i was thinking something cheep with just glue and iron on, but if too much cost im going to just stain and put protective coating

Also FIBERFIL Lost there i dont know how much and how to put in

Bracing i Herd that was important and Graham did a great job i was thinking a box like his but cut in half???

here a few design some fellow shacksters did that were awesome and i would like to partially replicate with advice thanks

I really liked the Maelstrom build by WillyD
here some links

http://www.hometheatershack.com/for...5-shiva-x-sealed-build-3-cu-ft-completed.html

http://www.hometheatershack.com/forums/diy-subwoofers-sealed-ported/21098-new-diy-sub-3.html

http://www.hometheatershack.com/forums/exodus-audio/12134-my-sealed-maelstrom-x-build.html



Fi q sub facts

Q18

DUAL 1 | DUAL 2

Fs: 24.5 Hz | 23.8 Hz
Re: 0.7 Ohms/coil | 1.4 Ohms/coil
Qms: 5.66 | 5.73
Qes: .64 | .63
Qts: .58 | .57
Mms: 322g | 342g
Cms: 0.13mm/N | 0.13mm/N
Sd: 1210cm^2 | 1210cm^2
Vas: 268 l | 268 l
Spl: 89.7dB 1W/1m | 89.4dB 1W/1m
Bl: 10.4 N/A | 15.1 N/A
Xmax: 27mm
Rms: 1000W
Sealed box: 4-8 cuft
Ported box: 6-10 cuft @ 28Hz
Sub OD: 18.500”
Cut ID: 16.750”
Mounting depth: 10.000”
Displacement: 0.24cuft

Thanks for the help and time guys!!!

Cheers,

KrazyBassKevin

 

[Ryan Anderson]

why is this in Exodus and not Fi

at least ya got a Q and not a BTL... good job

 

[Mike P.]

Thread moved to Fi Audio. Sound quality in music requires a sealed sub to have a Q of .7. For the Q18 that means 20 cu. ft.

 

[KrazyBassKevin]

Whoa 20 cubes is alot what would it be ported?

 

[KrazyBassKevin]

oh and thanks for the thread move, Mike

 

[Mike P.]

Ported would be anywhere from 15 to 25 cu. ft.

 

[KrazyBassKevin]

Then why have i seen 6ft^3 box with Mael X-18s it shouldnt be that far off

 

[Ryan Anderson]

do you have WinISD. Get it. Play with it. Google Thiele Small Parameters. Learn them. Play with ISD. Right now youre shooting in the dark and blowin money with expectations. You have a good driver, so no mistakes as of yet.

 

[Mike P.]

Then why have i seen 6ft^3 box with Mael X-18 s it shouldnt be that far off

The Maelstrom X-18 is an entirely different sub and has nothing to do with the Q18. Each sub models differently.