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  • Under seat sub


    Armandaleg
    • Year: 2008 Brand: Centurion Model / Trim: Avalanche Cost: $0-$249 DIY or Professional Install: I installed it Sound Project Components: Upgraded Subwoofer / Box

    I wanted to move the sub from inside the main storage compartment to i the main part of the boat because I thought the bass was too muffled.  My criteria was: 

    no cutting holes

    look good

    sound good ( used a Skar DDx 1200watt rms- non marine but the sub fit the specs what I was looking for and I was hoping that this single 10” would sound more like 2 subs)

    The box was covered in vinyl similar to the interior and I Allen some red LED just for the added extra something.

    I had to do stack fabrication (YouTube car audio fabrication) to get the box to fit just perfect.

    I realize there are some drawback to this box.  Mostly the sub is non marine rated and it is facing up and could get splashed.  The grill is easily roved Incase water needs to be wiped away.  I’ve been out a couple times this year and so far it seems to be really well placed and out of the way.

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    Looks good, great use of space. Do you have a photo from a bit further out so we can see how it all fits in with the interior?

    • Like 1

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    Sure - I just snapped another picture from a distance. I think it’s tucked in pretty tight. Something else I thought about was wiring the box with a USB charger just for ease of charging things where other people would be instead of everything by the driver.  Anyway, the final version it was omitted.  And, of course, a picture with the LEDs.

    Thanks for checking out the build! 

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    How is the sound output/quality  with it being up-fired? This is the first time I have seen it up-fired in a boat.

    I love the multi stack boxes. It's awesome the shapes you can do with that construction style. 

    • Like 1

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    The sound is great, I’m glad I moved the sub to its new location.  I have wondered if the bass would be a bit more robust if it was down-firing.  I considered that design but in reality there just wasn’t enough room.  The sound reminds me when I had a single cab pick-up with subs behind the seat and you felt the sound through the seat.  I was surprised how much vibration comes up through the captains chair and sitting next to it- I say it was a pleasant surprise. 

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    That looks incredible @Armandaleg!  Strong work!   Great use of space... you have me wondering if there's something I could do better with that space in mine.   Thankfully the previous owner paid for a sub box already... that's not my forte.

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    Excellent work dressing up the box. 

    I would be extra vigilant on keeping that woofer dry. Thats a paper based cone. Even a few hours of water setting in the dust cap, could wick past and into the motor structure. 

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