Building My Own Stealth Sub Box - Focus Fanatics
Ford Focus Forum
HomeContact UsAbout UsGalleryDiscussion ForumsMarketplace


Go Back   Focus Fanatics > Ford Focus Tech Discussions > Car Audio, SYNC, MyFord Touch & Electronics

Car Audio, SYNC, MyFord Touch & Electronics The Forum for the Ford Focus audiophiles. The place to chat about automobile sound systems, security systems, or show off your I.C.E.!
Sponsored By: GT Sound Control


Search This Forum | Image Search | Advanced Search    
Ford Focus Tire & Wheels FocusFanatics Merchandise

Reply
 
Thread Tools Display Modes
Old 09-05-2012, 05:42 PM   #1
boardgeneration
Focus Enthusiast
 
boardgeneration's Avatar
 
Join Date: Apr 2012
Fan#: 97319
Location: Austin, MN
What I Drive: Redline 13 Dodge Dart Rallye

Posts: 183
FF Reputation: 1 boardgeneration Good Standing Member
Buy-Sell-Trade Rating: (3)
Building My Own Stealth Sub Box

I'm only about half way done and not even sure how it will sound.
I really don't feel like spending $135 on a Subthump, or close to $600 for the JL stealthbox. Figured I would spend $20 and build my own.
I started by removing the driver side hatch carpet.


measured up and cut the face and top and dry fit it.



than the back.


Still need to figure out the front against the seat, seal the seams, cut the hole for the sub, and I think I'm going to just fiberglass the depth to fit snug against the inside since there are too many angles to try cutting.
I'll post the pics I take tomorrow of the final half and give measurements if anyone wants them since I couldn't find any elsewhere.
Comments and input welcome, but go easy if you think it's stupid.


__________________
“Who you are speaks so loudly I can't hear what you're saying.” -Ralph Waldo Emerson.
boardgeneration is offline  
    Reply With Quote
Old 09-05-2012, 05:57 PM   #2
BLRich1
Nope, Chuck Testa
 
BLRich1's Avatar
 
Join Date: May 2005
Fan#: 22758
Location: Lincoln, NE
What I Drive: '14 TB ST3, '04 Silver SVT

Posts: 6,127
FF Reputation: 17 BLRich1 Great Standing Member
Buy-Sell-Trade Rating: (6)
Looks nice. What sub are you putting in there?
__________________
My Rides:
'14 Tuxedo Black ST3
'13 Ingot Silver Escape Titanium AWD
'04 CD Silver SVT, #877, 1 of 135 May 2011 ROTM, FF11: Best Display, Best of Show; AFN12: Best SVT, Best Audio, Finest Five, Carlisle Nifty Fifty
BLRich1 is offline  
    Reply With Quote
Old 09-05-2012, 06:05 PM   #3
boardgeneration
Focus Enthusiast
 
boardgeneration's Avatar
 
Join Date: Apr 2012
Fan#: 97319
Location: Austin, MN
What I Drive: Redline 13 Dodge Dart Rallye

Posts: 183
FF Reputation: 1 boardgeneration Good Standing Member
Buy-Sell-Trade Rating: (3)
I got a 12" autotek meanmachine.
It was cheap but it sounded good in my old box. I'm not trying to blow my hatch glass out by any means.
It's got a mounting debts of 5.5" so I might adjust the depth of the box to give more hatch space. It only sticks out past the opening by about 4-5".
__________________
“Who you are speaks so loudly I can't hear what you're saying.” -Ralph Waldo Emerson.
boardgeneration is offline  
    Reply With Quote
Old 09-05-2012, 07:59 PM   #4
MotorcityJAX
Sonic's MK3 Crew #14
 
MotorcityJAX's Avatar
 
Join Date: Sep 2011
Fan#: 90253
Location: Jacksonville, FL
What I Drive: 2012, White Platinum, 5 Door SEL

Posts: 2,026
FF Reputation: 6 MotorcityJAX Good Standing Member
Buy-Sell-Trade Rating: (0)
How did you measure the air space that the sub needs with all of the different angles of the car? How are you sealing the box completely if the back is open to the sheet metal of the rear wheel well?
__________________
2012 SEL 5 door, "Project Stormtrooper"
Hatch Nation #169
Sonic Crew #14 Metal Tails
Rally Rev #16
MotorcityJAX is offline  
    Reply With Quote
Old 09-05-2012, 08:14 PM   #5
BLRich1
Nope, Chuck Testa
 
BLRich1's Avatar
 
Join Date: May 2005
Fan#: 22758
Location: Lincoln, NE
What I Drive: '14 TB ST3, '04 Silver SVT

Posts: 6,127
FF Reputation: 17 BLRich1 Great Standing Member
Buy-Sell-Trade Rating: (6)
he said he was going to use fiberglass on the back edge. as far as the volume goes, it will be difficult but you can get a "close enough measurement"
__________________
My Rides:
'14 Tuxedo Black ST3
'13 Ingot Silver Escape Titanium AWD
'04 CD Silver SVT, #877, 1 of 135 May 2011 ROTM, FF11: Best Display, Best of Show; AFN12: Best SVT, Best Audio, Finest Five, Carlisle Nifty Fifty
BLRich1 is offline  
    Reply With Quote
Old 09-05-2012, 08:22 PM   #6
MotorcityJAX
Sonic's MK3 Crew #14
 
MotorcityJAX's Avatar
 
Join Date: Sep 2011
Fan#: 90253
Location: Jacksonville, FL
What I Drive: 2012, White Platinum, 5 Door SEL

Posts: 2,026
FF Reputation: 6 MotorcityJAX Good Standing Member
Buy-Sell-Trade Rating: (0)
Quote:
Originally Posted by BLRich1 View Post
he said he was going to use fiberglass on the back edge. as far as the volume goes, it will be difficult but you can get a "close enough measurement"
Ahhhh, I can't see those comments on the picture, but I have been having problems all night, my bad for asking something that he posted, I was just curious from only being able to see pics on how the volume was going to be determined. Definitely need to post some pics of the finished product. I always like to see how custom boxes turn out
__________________
2012 SEL 5 door, "Project Stormtrooper"
Hatch Nation #169
Sonic Crew #14 Metal Tails
Rally Rev #16
MotorcityJAX is offline  
    Reply With Quote
Old 09-05-2012, 08:22 PM   #7
boardgeneration
Focus Enthusiast
 
boardgeneration's Avatar
 
Join Date: Apr 2012
Fan#: 97319
Location: Austin, MN
What I Drive: Redline 13 Dodge Dart Rallye

Posts: 183
FF Reputation: 1 boardgeneration Good Standing Member
Buy-Sell-Trade Rating: (3)
Like I said, I'm not sure how it will sound.
I plan on making a fiberglass mold against the body panel and attaching it to the mdf making sure it is sealed.
The sub only needs 1 cubic ft of air space. I'm hoping I can figure that out after fabricating the mold against the side panel.
I'm thinking of sound deadening the side panel before making the mold so nothing vibrates.
__________________
“Who you are speaks so loudly I can't hear what you're saying.” -Ralph Waldo Emerson.
boardgeneration is offline  
    Reply With Quote
Old 09-05-2012, 08:29 PM   #8
boardgeneration
Focus Enthusiast
 
boardgeneration's Avatar
 
Join Date: Apr 2012
Fan#: 97319
Location: Austin, MN
What I Drive: Redline 13 Dodge Dart Rallye

Posts: 183
FF Reputation: 1 boardgeneration Good Standing Member
Buy-Sell-Trade Rating: (3)
^ lol no worries!
This is my first attempt at a custom box.
Also my first hatchback as well.
Now that I'm not 16 anymore I'm not looking to take up total trunk space with subs in a simple square box like back in the day.
I know most stealth boxes work best with 10" or smaller but subthump makes one for a 12 so why can't I do it for $100 cheaper!!
__________________
“Who you are speaks so loudly I can't hear what you're saying.” -Ralph Waldo Emerson.
boardgeneration is offline  
    Reply With Quote
Old 09-05-2012, 08:34 PM   #9
MotorcityJAX
Sonic's MK3 Crew #14
 
MotorcityJAX's Avatar
 
Join Date: Sep 2011
Fan#: 90253
Location: Jacksonville, FL
What I Drive: 2012, White Platinum, 5 Door SEL

Posts: 2,026
FF Reputation: 6 MotorcityJAX Good Standing Member
Buy-Sell-Trade Rating: (0)
Quote:
Originally Posted by boardgeneration View Post
^ lol no worries!
This is my first attempt at a custom box.
Also my first hatchback as well.
Now that I'm not 16 anymore I'm not looking to take up total trunk space with subs in a simple square box like back in the day.
I know most stealth boxes work best with 10" or smaller but subthump makes one for a 12 so why can't I do it for $100 cheaper!!
I agree, and I always have more fun building my own anyway, this is on my project list for my '12 but probably not for awhile, I have some other things that need to get done first.
__________________
2012 SEL 5 door, "Project Stormtrooper"
Hatch Nation #169
Sonic Crew #14 Metal Tails
Rally Rev #16
MotorcityJAX is offline  
    Reply With Quote
Old 09-05-2012, 10:00 PM   #10
boardgeneration
Focus Enthusiast
 
boardgeneration's Avatar
 
Join Date: Apr 2012
Fan#: 97319
Location: Austin, MN
What I Drive: Redline 13 Dodge Dart Rallye

Posts: 183
FF Reputation: 1 boardgeneration Good Standing Member
Buy-Sell-Trade Rating: (3)
If this works out and sounds good as well, I'll duplicate it and put one up for sale. I bought a 4x4 3/4 mdf and only used half the sheet with nearly no waste. The cost will be in the labor and fiberglass. guess I'll see when it's done.
__________________
“Who you are speaks so loudly I can't hear what you're saying.” -Ralph Waldo Emerson.
boardgeneration is offline  
    Reply With Quote
Reply

Bookmarks & Social Networks

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -5. The time now is 11:31 PM.


Copyright 2002-2014 FocusFanatics.com. All Rights Reserved : Terms of Use : Privacy Policy : Advertise Information : Site Map

Focus Fanatics Ford Focus Forum offers many fun ways for you to engage with other Ford Focus Owners from across the world. Whether it be about the aftermarket performance modifications, technical how-to's, European tuned suspension or awesome fuel economy similar to the Acura TLX or Fiesta ST. You can find all Ford Focus and Focus ST related information here. Join our Ford Focus discussion forums and chat with local Focus enthusiasts in your area.