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View Full Version : Build for 12" RE SE 2 ft^3 at 32 Hz



wu36ca
12-26-2006, 11:22 PM
I was going to wait until it was installed before posting pics, but I will throw some up now. Keep in mind this is my second box that I have built and the first one I will actually use. The first one was for two 12" SE's 1.8ft^3 at 32hz. Well I didn't want all that space or weight in my trunk and it turns out the box was too big to fit in my trunk anyway. So I am going with one SE and hanging on to the other. Please give constructive criticism. First think I should mention is I used wood glue to bond the bottom baffle and most of the walls and liquid nails for the top baffle. I used the liquid nails so I could seal the parts that my hands just couldn't get to with caulk. I should also mention I got the cuts done at an Ace Hardware lumber mill. This is the best place to get your cuts done. Here is the last of my yapping. The external/gross dimensions are:
Width = 19.75
Depth = 21.5
Height = 14.5
Port = 2x13x28
Now for the pics. I took these on low res obviously and the camera created some weird effect with the shapes; jagged edges and weird views of angles. Please give constructive criticism:
http://img86.imageshack.us/img86/1673/1000105te4.jpg (http://imageshack.us)

http://img186.imageshack.us/img186/9092/1000110rr7.jpg (http://imageshack.us)

http://img168.imageshack.us/img168/5249/1000113mk6.jpg (http://imageshack.us)

http://img186.imageshack.us/img186/7513/1000115vi4.jpg (http://imageshack.us)

http://img223.imageshack.us/img223/3517/1000116fh1.jpg (http://imageshack.us)

http://img186.imageshack.us/img186/8306/1000118tl8.jpg (http://imageshack.us)

http://img412.imageshack.us/img412/9839/1000123aq2.jpg (http://imageshack.us)

http://img99.imageshack.us/img99/8362/1000124nl9.jpg (http://imageshack.us)

wu36ca
12-26-2006, 11:36 PM
http://img157.imageshack.us/img157/3670/1000125kn4.jpg (http://imageshack.us)

http://img157.imageshack.us/img157/1857/1000126ia5.jpg (http://imageshack.us)

http://img221.imageshack.us/img221/5448/birthsheetjg1am4.jpg (http://imageshack.us)

http://img185.imageshack.us/img185/9403/1000131kj2.jpg (http://imageshack.us)

http://img157.imageshack.us/img157/4732/1000132zk2.jpg (http://imageshack.us)

http://img221.imageshack.us/img221/9859/1000129bs9.jpg (http://imageshack.us)

http://img19.imageshack.us/img19/6524/1000133vq4.jpg (http://imageshack.us)

And the car its going into, a 2006 Honda Civic Si:

http://img185.imageshack.us/img185/42/1000053fd2.jpg (http://imageshack.us)

More pics to come after it is installed in a couple of days.

DFW40
12-27-2006, 01:16 PM
looks good, that is a great sub that gets nice and loud and sounds good especially for the money.

PV Audio
12-27-2006, 01:56 PM
http://img186.imageshack.us/img186/9092/1000110rr7.jpg

You do not want to put your caulk or silicone on top of the wood. The glue needs to bond well especially at the joints, and having caulking there makes it impossible. Besides that, it looks excellent.

ssj2xxgotenxx
12-28-2006, 12:41 AM
I have a 12" RE seXXX in a similar box, 2.1 CuFt @ 28hz. I'd give you a listen, but I took everything out of my car because I plan on buying a 07 Civic Si as well :)

baseballer1100
12-28-2006, 12:45 AM
Yup not bad at all for your second box.

PV Audio
12-28-2006, 11:02 AM
And btw, EP3 > all civics ever made.

dru
12-28-2006, 12:05 PM
then again..

any car > all civics ever made.... jkjkjk

I think I'm building that same exact box for my mag

wu36ca
12-28-2006, 01:31 PM
**** I thought my amp was rated at 700 watts at 2 ohm. Just really looked at the birthsheet and now I see its 1000 watts. Guess I am going to have to go easy on these. Oh well, I hooked this amp to two Diamond CM3's at 1 ohm and they were rated at 300 watts a piece.

ssj2xxgotenxx
12-28-2006, 03:58 PM
then again..

any car > all civics ever made.... jkjkjk

I think I'm building that same exact box for my mag


If only they made the Civic a RWD car...

bikinpunk
12-29-2006, 02:54 AM
Hello from SDOT. Looks good. How you liking the depth? My box is longer, but not as deep, probably about 13" or so.

wu36ca
12-29-2006, 03:50 AM
The depth is fine. Its kind of nice having a long box so I have a lot of room on the sides of it and don't have to throw stuff in front of the sub. I can't wait, it goes in in a few hours. This will be the first bass I have had in two years.

iamamp3pimp
12-29-2006, 04:18 AM
Its a good looking box. keep in mind tho, that (like on the port) you only need to caulk one side of a joint.

whered you get the design from?

iamamp3pimp
12-29-2006, 04:19 AM
that amp = wierd

RMS and MAX power are the same?

PV Audio
12-29-2006, 11:34 AM
That's one hardcore amp :)

wu36ca
12-29-2006, 12:12 PM
Its a good looking box. keep in mind tho, that (like on the port) you only need to caulk one side of a joint.

whered you get the design from?

The design is a variation of what RE suggests for optimal performance. I used WinISD to design it and I decreased port width by half an inch I believe. THis is about the maximum amount of space I want to take up in the trunk.

Lakota
12-29-2006, 12:29 PM
You love teh caulk:)

wu36ca
12-29-2006, 11:38 PM
So its installed and here are my impressions. It has a very weird response curve. The lows are super emphasized, but the higher end bass notes are really lacking. Like really lacking. I think the subs just really need to break in. We had to add some tweaks that I didn't care for on the amp in order to get it really going. Like bass boost. But when it gets low, it gets really low. There is just something that doesn't sit well with me. I am going to break the sub in and go from there.

PV Audio
12-30-2006, 12:12 AM
Bud, you have a SUBwoofer. It's not supposed to hit the high notes, that's the job for your woofers/midwoofers.

wu36ca
12-30-2006, 02:13 AM
Bud, you have a SUBwoofer. It's not supposed to hit the high notes, that's the job for your woofers/midwoofers.

I know that. I am talking about notes that my other subs hit with authority these barely make any noise. I would guess the mid 40's to 50 hz range or so the sub does nothing. Below that it smashes hard. The dropoff is so sudden. Also the amount of bass boost needed to get the sub really going concerns me.

wu36ca
01-08-2007, 08:35 PM
Well I promised an install pic. Here it is. Again, it is nowhere near as loud as I expected. I am supposedly feeding it ~600 watts, but it sounds like it is begging for more. The sub barely moves. I want to fix the issue, but there are so many things it could be.
http://img153.imageshack.us/img153/9171/1000154im9.jpg (http://imageshack.us)

iamamp3pimp
01-08-2007, 08:39 PM
xover setting ion the amp is far to low.

set it @ 80 HZ

wu36ca
01-08-2007, 08:44 PM
Well it is weak all around, it just seemed at first like only the higher frequencies were weak. There is a much bigger problem.

iamamp3pimp
01-08-2007, 08:47 PM
make sure the sub is wired in parralel.

do you have a DMM?

if it isnt wired right, youll only be seeing about 150 watts instead of 600

wu36ca
01-08-2007, 08:49 PM
I am thinking it got wired funny. Since the car is brand new I wanted a shop to install it for liability purposes. I am going to take it back there to make sure it is wired right.

iamamp3pimp
01-08-2007, 08:52 PM
they may have wired it @ 8 ohms.