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jamesdean
03-14-2008, 06:38 PM
I need someones help here, I recently acquired 2 Boston G512RS and I need a sub box built for it. I want to try and do it myself but I need some plans for it. the specs call for 2 cubic ft each and the port tuned to 32 hertz. anyones help would be GREAT!

miker
03-14-2008, 06:40 PM
post teh dimensions you have to work with.. If you want someone to help you.

morgans432
03-14-2008, 06:43 PM
buckyboy does some great work check him out.. his company is in my signature if you want to see it

jamesdean
03-14-2008, 06:55 PM
post teh dimensions you have to work with.. If you want someone to help you.

sorry bout that! I have a caddy cts and the truck is 37" wide and 17" tall

iDesignBoxes
03-14-2008, 11:19 PM
Top and Bottom: 2 37" x 20.25"
Front: 31.75" x 15.5"
Right Side: 19.5" x 15.5"
Back: 35.5" x 15.5"
Left Side: 20.25" x 15.5"
Port Piece 1: 14.25" x 15.5"
Port Piece 2: 18" x 15.5"

Net Volume: 4 cubic feet
Tuning Frequency: 32 Hz
Port Width: 4.5 inches
Port Area: 69.75 Square Inches
Port Length: 39 inches

These are accurate... The sketchup was not!

jamesdean
03-15-2008, 02:05 AM
Top and Bottom: 2 37" x 20.25"
Front: 31.75" x 15.5"
Right Side: 19.5" x 15.5"
Back: 35.5" x 15.5"
Left Side: 20.25" x 15.5"
Port Piece 1: 14.25" x 15.5"
Port Piece 2: 18" x 15.5"

Net Volume: 4 cubic feet
Tuning Frequency: 32 Hz
Port Width: 4.5 inches
Port Area: 69.75 Square Inches
Port Length: 39 inches

http://img.photobucket.com/albums/v486/mykul_16/ox.jpg

Thats perfect! Thank you sooo much!

iDesignBoxes
03-15-2008, 12:25 PM
No prob man, I usually charge but I got bored lol.

BuckyBoy
03-15-2008, 12:43 PM
How come the second port piece is labeled 1'8", but you listed it as 18"?
I don't think the first port piece is labeled right in that picture either? If the port and front piece are 15 1/4", then the port width along the back would only be 4.25".
I don't mean to critique your design, but if the guy is going to build the box according to your design and listed measurements, everything should be right.

iDesignBoxes
03-15-2008, 03:01 PM
How come the second port piece is labeled 1'8", but you listed it as 18"?
I don't think the first port piece is labeled right in that picture either? If the port and front piece are 15 1/4", then the port width along the back would only be 4.25".
I don't mean to critique your design, but if the guy is going to build the box according to your design and listed measurements, everything should be right.

Ack. Thanks for noticing that. I was pretty drunk and bored when I made it so my math was a bit off.

I hate converting decimal inches into foot inches... I will not design boxes while intoxicated again :)

I apologize for any confusion!

jamesdean
03-15-2008, 03:50 PM
Good thing you guys noticed that before I went out and built that! IDESIGN, would you be able to re sketch that drawing with the correct measurements please. Thank you.:)

miker
03-15-2008, 03:57 PM
You should be able to figure it out your self.. He gave you all the port dimensions.. and he did do it for free :)

jamesdean
03-15-2008, 05:21 PM
If I go the route of a sealed enclosure that requires 1 cubic ft per sub, I can't just build a box that is 1cubic ft inside because I have to take into consideration the sub and the space that takes up, correct??

miker
03-15-2008, 05:29 PM
What size are those subs?

12"s take up approx .07c ft each. so .14 for two.. So it's not a huge concern..

rumple4skin
03-15-2008, 05:35 PM
Ack. Thanks for noticing that. I was pretty drunk and bored when I made it so my math was a bit off.

I hate converting decimal inches into foot inches... I will not design boxes while intoxicated again :)

I apologize for any confusion!

rofl man the world needs more people like you make me a box please!!!

jamesdean
03-15-2008, 05:46 PM
Heres the specs for the subs


G5 Specifications/Enclosure Recommendations
Model: G51244
Nominal Size: 12"4
RMS Power Handling: 450w
Impedance: Dual 4Ω
Frequency Response: 20-350Hz
(+/-3dB in car)
Mounting Cutout Diameter: 11 3/16"
(283mm)
Mounting Depth: 7 3/8"
(187mm)
Recommended Sealed 1.0 ft3
Enclosure Volume*: (28.3L)
Q-Tune™†: (HP & Q Setting) 28Hz@ 0.7
Recommended Ported 2.0 ft3
Enclosure Volume*: (56.6L)
Vent Diameter: 4" (10cm)
Vent Length: 14" (36cm)
Tuning Frequency: 33Hz
Q-Tune™†: (HP & Q Setting) 33Hz@ 1.0

jamesdean
03-15-2008, 08:42 PM
OK, I've changed my mind and decided to go sealed because I'm more concerned with SQ than anything else and I'm on a budget. Plus I've seen these subs perform in a sealed enclosure and was impressed. Now, if anyone would be so kind as to give me the dimensions of a sealed enclosure with 1 cubic ft each sub, I would greatly appreciate it. I've tried to research it and I've come up empty. My math is horrible, I can figure out what the dimension of a perfect cubed box would be but I know I need to account for the airspace taken up by the woofers magnets. Anyone??

miker
03-15-2008, 08:45 PM
14x22x12 would work.

miker
03-15-2008, 08:49 PM
so.. two 22x12" sheets, two 22x14" sheets, two 14x11.5" sheets

Think thats right.

jamesdean
03-15-2008, 09:50 PM
so.. two 22x12" sheets, two 22x14" sheets, two 14x11.5" sheets

Think thats right.

thank you!