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Thread: New Speaker Box

  1. #11
    Sr. Mechanic raisor87's Avatar
    Join Date
    Jul 2008
    the nasti nati
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    Quote Originally Posted by zach45 View Post
    if ext cab nnbs send me specs please
    my specs for my ext cab boxes are 19'' X 15'' deep 8'' tall at front and tapers down to 3'' at the back of the truck with 3/4 mdf allows about 5'' of top mount depth
    1998 GMC Sierra SLE- Bone stock engine, 4'' in dash dvd 2 10" subs 800watt amp.

    1999 Buick Park avesdf

    1971 Buick Electra 225 built 455 and turbo 400

  2. #12
    Sr. Engineer zach45's Avatar
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    Apr 2008
    staten island new york


    thanks but the back seat of your truck is diffrent..
    i know i was tring to take one out of my brothers 01 and no was was it going to fit..
    08 5.3 silverado...toyo m.t 33 12.50 18 rockstars...leveled with 2" blocks...cherrybomb catback...6k hids

  3. #13

  4. #14


    The box is in an 05 silverado. The box was just recently built. I'm at school so I haven't been able to completely finish it yet. The sub barely rubs the seat but I am going to build a cover for it. I also plan on carpeting it and adding a lip to the top of the box to make it flush with the seat. It's just hard to do at school

  5. #15


    I know you can buy boxes like that on the internet but they don't meet the manufacturers specs for port size and things. Building your own allows you to get more accurate dimensions

  6. #16


    I know how it is building stuff in school too... Amazing that something that nice looking came from there. hehe
    '93 Chevrolet Silverado 6.5L Turbo-diesel (Currently most reliable)
    '05 Honda Rancher 329CC (Flipped multiple times by different people)
    '72 Volkswagen Beetle 1.6L (Being rebuilt to 1641cc)
    '76 Chevrolet Scottsdale C20 350CI (My experiment!)

  7. #17


    Quote Originally Posted by WatsonGravy View Post <--- Check those boxes out!!!
    Wow, they would be good advertisers for this site!

    10 Chevy Traverse LT AWD
    02 Chevy Trailblazer LS (110K+ miles - loaded except for 4WD - WRECKED!)
    99 Chevy Cavalier LS (105K+ miles - commuter car)
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  8. #18
    Legend tlperry68's Avatar
    Join Date
    Oct 2008
    Huntington Beach, CA


    OK so how good is the sound clarity that comes from a speaker pointed at the bottom of a seat that is made of a sound attenuating material? Or is it just a thump noise that is achieved?
    Trevor - Huntington Beach, CA
    2007 GMC 2500 4X4

  9. #19


    Good foundation. Make sure you show us pics when its finished and covered.

  10. #20


    great job but I hear that down firing subs have better sound quality than up firing ones... maybe you could flip it over and place foot pegs under it or somethin... idk if you plan on leaving them as up firing and your speaker dimensions allow it, maybe shave a couple inches off its height and find low profile towel racks to put over the speakers for protection from fatties sitting in the back. i know it sounds stupid but you wouldn't know the difference if they were "chrome plated" and you finished the box off with some carpet. it has great potential though, no doubt. *TIP* maybe I have OCD but before I do a project, I usually put a week or two in planning down to the T before going out and buying supplies and doing installs. learn from this build and keep up the good work

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