Phoenix Gold Phorum

hey guys, im looking to use my old XXX 12" sub for HT. can you help me with designing a box for it? size is not a factor. i'll probably run it off of a 1000w dayton plate amp or 1300w eD plate amp. i saw some prefabbed sealed boxes on parts express, would 2 or 3 cft work better? if i get a ported box, how should it be and what should i have it tuned to? i'm new to HT so i appreciate all the help you guys can give me!

Is that an RE XXX woofer?



And you plan to use it for a home theater?..........


read this-
http://phoenixphorum.com/granite-enclosure-vt4951.html

Thinking HT??

Ported is usually better for HT
The lower you tune it, the better

make the box big, and it'll be loud.

I'd recommend about 5 cu. ft. for each speaker tuned to about 15Hz. God that'll hurt.

Francious70 wrote:Thinking HT??

Ported is usually better for HT
The lower you tune it, the better

make the box big, and it'll be loud.

I'd recommend about 5 cu. ft. for each speaker tuned to about 15Hz. God that'll hurt.

can you help me design it? i would like the woofer to be down firing and a slot port in the front of the box.

I can tinker with some designs for you tonight.

Francious70 wrote:I can tinker with some designs for you tonight.

thanks! the only parameter that i have is that it can fit through my front door

Why? That's what a sliding glass door is for.......Big ass subwoofer boxes....

davidc81 wrote:

Francious70 wrote:I can tinker with some designs for you tonight.

thanks! the only parameter that i have is that it can fit through my front door

How's about in pieces??

I remember seeing someone use a XXX for HT on the sounddomain forums years ago. The box was MASSIVE and the guy loved it! You might want to do a search over there.

http://www.linearteam.dk/default.aspx?pageid=winisd

get winISD, put in your T/S parameters, and then play around with the curve. I wen with a 4 cube tuned to 18 Hz with my Xenon and love it. Not the greatest at music, but you just cant beat it for movies.

mr tibbs wrote:I remember seeing someone use a XXX for HT on the sounddomain forums years ago. The box was MASSIVE and the guy loved it! You might want to do a search over there.

i remember that! he won a 15" xxx and used it in a 10cft enclosure. it was tall as hell!

Well, I've tried designing something for you, but damn if I can't find any T/S parameters for that sub. all REAudio has is the new series subs.

Francious70 wrote:Well, I've tried designing something for you, but damn if I can't find any T/S parameters for that sub. all REAudio has is the new series subs.

i've been searching for the T/S paramters as well with no luck. I'll keep on searching and post them once i find it.

Werd

davidc81 wrote:

Francious70 wrote:Well, I've tried designing something for you, but damn if I can't find any T/S parameters for that sub. all REAudio has is the new series subs.

i've been searching for the T/S paramters as well with no luck. I'll keep on searching and post them once i find it.

PM TeamPSI on caraudio.com. That is David, the president (figurehead) of RE, I have done numerous deals with him and he is a really good guy. He should be able to help out.

Here ya go man! This took some digging, but I think these are correct. They are for the 2004 model, but I do not believe there were any changes between 2004 and 2005.

[Driver]
Brand=Resonant Engineering
Model=2004 XXX 12
Manufacturer=Resonant Engineering
ProvidedBy=Jimmy Paderta
Comment=
DateAdded=20040323
DateModified=20040323
Qts=0.4
Znom=2
Fs=27
Pe=1600
SPL=86.06
Re=1.9
Le=0
fLe=0
KLe=0
BL=17.1
Xmax=0.032
Cms=8.7E-5
Qms=4.52
Qes=0.44
Rms=14.98178
Mms=0.3992
Sd=0.048
Vas=0.0565
Dia=0
Vd=0.00153546789918364
no=0.002458
Dd=0.29337
EBP=61.36
numVC=2
Hc=0
Hg=0
SPLmax=115.1
SPLmaxLF=104.29
USPL=92.31
alfaVC=0
Rt=0
Ct=0
gamma=42.8399
Rme=153.9
Mpow=12.40564
Mcost=0
Gloss=0.010648
c=343.683335477601
roo=1.20096
Thick=0
Depth=0
MagDepth=0
Magnet=0
Basket=0
Outer=0
Vcd=0
DVol=0

mr tibbs you are the man!

Ok. If you want a smooth response down to about 13 Hz (which is good for movies) build a 2ft. x 2ft. x 2ft. box with a port 4" in dia. and 12" long. Flared on both ends. You can do this downfiring, all you'll need to do is build some feet for it to stand on.

Looks like as long as you have your gains set right you should have any overexcursion. And you'll rattle your house off it's foundation.

thanks everyone for your help. i'll post up some pics when its done!

i dont know if it'll be feasible to build something 8cft. what would be an optimum sealed box size?

Sealed?? About 3 cu. ft.

2x2x2 is totally worth it!

hehe, a buddy of errin and me has a box 2x2x4 in his living room for a cyclone

ok i finally ordered everything else for my HT. this is what i ended up getting:

onkyo 605
eD 6t6 towers
eD 6t6 center
eD 5t5 surrounds
wiring from monoprice online.

i got 100' of 12g speaker wire, 5 pairs of banana clips, and 12' subwoofer cable for $48 shipped. not too bad of a deal!

tv i'm using is Samsung LN-T4661F

all together, i got everything for about $1950 shipped (tv $850, speakers $760, receiver $290, wire $50) . not too bad!

Hot damn. Good deal on all that stuff!