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Sub box and sound

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Old Jul 17, 2010 | 01:16 PM
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Sub box and sound

I want to build a sub box for my 06 F-150 crew, does anyone have the measurements for this? I have a good pioneer deck 40x4 and I have already installed MTX speakers front and back, sounds like crap by the way. I have an alpine MRV 300 amp and a 10 Fosgate sub lying around from my Mustang so I was going to use them. I cant get the MTX's to give much sound without distorting any tips are welcome.
 
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Old Jul 17, 2010 | 01:46 PM
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I made a sub box to fit under the rear seat of my '01 expedition. It also fits under the seat of my '06 F150 and sounds great with a 10" JL in it. Here are my plans, hope they help.
 
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Old Jul 17, 2010 | 01:47 PM
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...And the final slide...
 
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Old Jul 17, 2010 | 05:10 PM
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Thanks alot Bridge do you have any actual pictures of the box you could post.
 
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Old Jul 17, 2010 | 05:32 PM
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Yup, got a couple
 
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Old Jul 17, 2010 | 05:37 PM
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Originally Posted by Shovelhead 93
I cant get the MTX's to give much sound without distorting any tips are welcome.
your deck isnt 40x4 RMS which is what you want. its only about 15. the mtx's probably need somewhere around 40-50 RMS. you need a 4 ch amp to get good sound. im in the same boat with my JVC door speakers.
 
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Old Jul 18, 2010 | 01:01 PM
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Actually the deck is rated at 50x4, 22 continuous here it is Pioneer USA - DEH-P5000UB - CD Receiver with 2-Line OEL Display, USB Direct Control of iPod, and 7-Way Rotary Commander
 
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Old Jul 18, 2010 | 01:52 PM
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still not enough to power your speakers. you will blow a speaker faster by under powering them then you would over powering them.
 
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Old Jul 18, 2010 | 02:18 PM
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Guess I will try my amp and or get another one to run the sub, cant stand the mushy base.
 
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Old Jul 18, 2010 | 02:47 PM
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Originally Posted by Shovelhead 93
Guess I will try my amp and or get another one to run the sub, cant stand the mushy base.
just get a good 4 ch amp. even a pioneer from walmart will work. most door speakers need at least 40-50 to work good. you always need to meet the RMS requirements.
 
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Old Jul 18, 2010 | 04:34 PM
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I've run several systems with a good 4 channel amp. The one I have is 4x75 but its 250 @ 4ohms mono so it drives a sub well. I built my last few sub boxes for under the seat & down firing. It works great. I even have the sub in my Ranger down firing. It sounds much better than it did firing up or forward.
 
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Old Jul 18, 2010 | 04:38 PM
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it sounds better firing down because when up or forward, your getting alot of 'whooshing' sound from the woofer. when its down, all you get is bang.
 
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Old Jul 18, 2010 | 04:46 PM
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I like the way it blends with the front speakers down firing. The other ways I could tell where the sub was in the truck. Down firing you can't tell where the sub is located. Plus it does hit harder too.
 
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Old Jul 19, 2010 | 04:26 PM
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Thanks for the input I guess i will be needing another amp to run the sub and use my MRV 300 for the door speakers.
 
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Old Jul 19, 2010 | 09:58 PM
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check out supercrew sound that website may be able to give you all the dimensions you are looking for
Subwoofer Box | Subwoofer Enclosures | Car Subwoofer Boxes and Truck Subwoofer Boxes at SuperCrewSound
 
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