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Reload Thread: 4-DD515, DD M1c, 2005 Denali

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    Canaan's Avatar
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    4-DD515, DD M1c, 2005 Denali

    Well, here is the start of this build.

    Just a port for now. Continues tomorrow. Install Monday/Tuesday.






    Canaan White...'04 Avalanche
    HU Eclipse 7200MkII
    AMPS DD C4a(front active), 2 DD M2B
    SPEAKERS (Front) DD AT28, DD VO-M65
    SUBS...SOMETHING LOUD SOON!!?
    WIRES XSCORPION
    TEAM SOUTH

    Desiard Street Pawn and Car Audio, Monroe, La...XScorpion and DD Audio Dealer.
    Shop Phone 318-343-8283




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    Re: 4-DD515, DD M1c, 2005 Denali

    Already looking forward to this build haha




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    Re: 4-DD515, DD M1c, 2005 Denali

    That's an awesome port. Wall or window line?




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    Re: 4-DD515, DD M1c, 2005 Denali

    that port is insane. how are thoses made. what kind of angel do you cut on each end. 22.5?




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    Re: 4-DD515, DD M1c, 2005 Denali

    That octagon is clutch and I bet you had it in a submission hold when you were tapping it out with that brad nailer.




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    Re: 4-DD515, DD M1c, 2005 Denali

    An octagon is actually pretty easy to make, if you have the right tools and a second set of hands.

    The angles are 22.5deg, I use a Wixey digital angle gauge (best $40 you can ever spend for a table saw accessory).
    This port is 196sq inches, 6.375" internal, 7" external cuts. With a good saw, just set the gate and make 8 cuts.

    I hold the pieces one-by-one in place and have my co-worker Jay pop a brad 2" from the top and 2" from the bottom on each panel.
    Then ratchet strap it together over night, its solid as a rock. The glue holds it, not the brads.

    I'll post pics tomorrow showing that the sides are square.
    Should have the box finished then.



    Canaan White...'04 Avalanche
    HU Eclipse 7200MkII
    AMPS DD C4a(front active), 2 DD M2B
    SPEAKERS (Front) DD AT28, DD VO-M65
    SUBS...SOMETHING LOUD SOON!!?
    WIRES XSCORPION
    TEAM SOUTH

    Desiard Street Pawn and Car Audio, Monroe, La...XScorpion and DD Audio Dealer.
    Shop Phone 318-343-8283

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    Re: 4-DD515, DD M1c, 2005 Denali

    The port is solidly square.









    Port attached to the front panel and routered out.


    Rear wall and baffle bracing. 2.5 x 1.5" baffle brace (connects to side wall) and 6" wedge for the back wall.


    I ran out of paint for the port, but here is a nearly finished shot.


    I will finish the paint and carpet the box in the morning.



    Canaan White...'04 Avalanche
    HU Eclipse 7200MkII
    AMPS DD C4a(front active), 2 DD M2B
    SPEAKERS (Front) DD AT28, DD VO-M65
    SUBS...SOMETHING LOUD SOON!!?
    WIRES XSCORPION
    TEAM SOUTH

    Desiard Street Pawn and Car Audio, Monroe, La...XScorpion and DD Audio Dealer.
    Shop Phone 318-343-8283

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    Re: 4-DD515, DD M1c, 2005 Denali

    Completed pics of this box.










    Canaan White...'04 Avalanche
    HU Eclipse 7200MkII
    AMPS DD C4a(front active), 2 DD M2B
    SPEAKERS (Front) DD AT28, DD VO-M65
    SUBS...SOMETHING LOUD SOON!!?
    WIRES XSCORPION
    TEAM SOUTH

    Desiard Street Pawn and Car Audio, Monroe, La...XScorpion and DD Audio Dealer.
    Shop Phone 318-343-8283

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    Re: 4-DD515, DD M1c, 2005 Denali

    Holy giant ports batman. How much area per cube?



    Quote Originally Posted by ducatipaso View Post
    15inch subs can't play fast beats, they take more power and that taxes the vehicles electrical system. You will wake up and "hear" then see the light at the end of the tunnel and it will be 3 10's pounding so hard you wont even open your trunk or turn your system on because you 15's will sound sloppy & weak.
    Quote Originally Posted by benbenondatrack View Post
    stfu lesbo.why are you worried about me so much? you must want to date me ya little cookie monster but i dont even like sweets. your just a cup full of ice, dirt dead nasty azz ice...without the water.

    Dat Build Log: http://mobileaudioforum.com/forum/showthread.php?2566-1999-Chevrolet-Blazer&highlight=1999+blazer

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    Re: 4-DD515, DD M1c, 2005 Denali

    Quote Originally Posted by gckless View Post
    Holy giant ports batman. How much area per cube?
    I know this port looks HUGE, but it was actually 196sq inches of port area for at 14.5cuft (net) box.
    So the port area per cubic foot was just 13.5sq/cuft.!!!

    But, this is a 4-DD 515 build with only 1500wrms. Port noise will NEVER HAPPEN at that level of cone displacement.

    The actual 'on paper' numbers for this build were ~14.5cuft @ 38hz. But 'in-cabin' tuning changes alot with big box builds, and I accounted for that change in my design (port firing into the back hatch and the distance to the listening position)

    This box build is heavily braced...and I offered the owner the chance to replace the subs, add batts, alts, and a second DD M1c....to get louder.




    I just have to say, the owner of this vehicle was stunned after hearing what he had purchased.
    I wish I had taken a vid of his reaction....if the owner drops by soon, I will video his review for this install.







    also...round ports are more efficient.
    Slot-vents are ok, but a round vent is the most efficient vent (for tuning).
    Last edited by Canaan; 03-06-2014 at 03:05 AM.



    Canaan White...'04 Avalanche
    HU Eclipse 7200MkII
    AMPS DD C4a(front active), 2 DD M2B
    SPEAKERS (Front) DD AT28, DD VO-M65
    SUBS...SOMETHING LOUD SOON!!?
    WIRES XSCORPION
    TEAM SOUTH

    Desiard Street Pawn and Car Audio, Monroe, La...XScorpion and DD Audio Dealer.
    Shop Phone 318-343-8283

  12. Likes NeverEnuffBass, tc300 liked this post
  13. #11
    Louisiana_CRX's Avatar
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    Re: 4-DD515, DD M1c, 2005 Denali

    Looks good ...




    Current 2010 Louisiana USACi State Records :

    Trunk 0-1000.................. 151.3
    StreetBeat 2................... 145.6
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    Re: 4-DD515, DD M1c, 2005 Denali

    that is sick



    2001 Honda Civic EX
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    http://www.youtube.com/watch?v=Cl_ardHXEkg"]My old System
    http://www.myspace.com/sykodjthereal"]If you Need Beats click this
    http://www.carstereoforum.net"]http://www.carstereoforum.net

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