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Reload Thread: Building in trunk?

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    loudenuff's Avatar
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    Building in trunk?

    Anyone have any advice for building an enclosure inside of a trunk? I'd be using a majority of the space in my trunk so I'm concerned with how I'm gonna drill any screws in especially once the baffle is on







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    Re: Building in trunk?

    I was also told not to do a slanted front baffle for a ported enclosure. Any real truth behind this? I'm looking to fire the sub back and seal it off at the rear deck and port through the fold out cup holder. I'd prefer not to fire through the rear deck because I don't want too much pressure on my back windshield




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    Re: Building in trunk?

    Pocket jigs are good devices for building inside trunk. Assists in setting screws that would be hard to set with drill



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    Re: Building in trunk?

    Quote Originally Posted by loudenuff View Post
    I'm looking to fire the sub back
    That is NOT how you build in a trunk.

    https://www.youtube.com/watch?v=kweBew2dro8




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    Re: Building in trunk?

    Quote Originally Posted by kr15 View Post
    Pocket jigs are good devices for building inside trunk. Assists in setting screws that would be hard to set with drill
    Thanks for the tip

    ---------- Post added at 10:26 PM ---------- Previous post was at 10:25 PM ----------

    Quote Originally Posted by hispls View Post
    That is NOT how you build in a trunk.

    https://www.youtube.com/watch?v=kweBew2dro8
    Don't fire sub back or don't build the way the guy did?




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    Re: Building in trunk?

    Quote Originally Posted by loudenuff View Post
    Thanks for the tip

    ---------- Post added at 10:26 PM ---------- Previous post was at 10:25 PM ----------


    Don't fire sub back or don't build the way the guy did?

    Why fire back then seal off the trunk? How will you get energy from the sub into the cabin?

    Thor's car is LOUD for a trunk, that's the proper way to do it.




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    Re: Building in trunk?

    I used a ton of 2-1/2" strong corner braces to help mine go together when I built my 6th into my trunk. Helped to align everything at 90 degrees.




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    Re: Building in trunk?

    Quote Originally Posted by hispls View Post
    Why fire back then seal off the trunk? How will you get energy from the sub into the cabin?

    Thor's car is LOUD for a trunk, that's the proper way to do it.
    My seats don't fold down and I don't have much intention of keeping the seat out. But it does have a fold out cup holder so I thought I'd gut out the plastic behind the fold out and build an external square port through there

    ---------- Post added at 12:03 AM ---------- Previous post was at 12:03 AM ----------

    Quote Originally Posted by jRi0T68 View Post
    I used a ton of 2-1/2" strong corner braces to help mine go together when I built my 6th into my trunk. Helped to align everything at 90 degrees.
    How'd it turn out?




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    Re: Building in trunk?

    I suppose I could still fire forward and do that though. My only thing is how I'm gonna do the baffle given I don't have 18" in height clearance




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    Re: Building in trunk?

    Quote Originally Posted by loudenuff View Post
    My seats don't fold down and I don't have much intention of keeping the seat out. But it does have a fold out cup holder so I thought I'd gut out the plastic behind the fold out and build an external square port through there

    ---------- Post added at 12:03 AM ---------- Previous post was at 12:03 AM ----------



    How'd it turn out?
    I'd say it came out pretty well. Need my new alt and a bigger amp to see what she's really got in her, and a lot of testing different ports.





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    Re: Building in trunk?

    If you're firing through the equivalent of an armrest, you're better off doing a 4th or 6th if you can.




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    Re: Building in trunk?

    last one I did was 2 15's in a G6....prebuilt it outside the vehicle with no glue, then reassembled in the trunk. Was a PITA but most in trunk builds are....




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    Re: Building in trunk?

    If i ever did a full spl trunk build. Id probably go talk to a boat building/repair shop and ask them how much they'd charge me to spray fiberglass on the trunk walls after taking out all the panels. Ive always seen boxes built in trunks but for weight and uniqueness factors, a front baffle into the cabin made of 1'' mdf and the rest of the trunk made into a perfectly formed box. That'd be pretty cool.

    https://www.youtube.com/watch?v=A8j5Kmuo0_U



    Gain on an amplifier to meant to be matched to the output voltage of your headunit. Think 3 volt, 4 volt, 5 volt pre out specs you see on headunit specs. This is how gain works for a given pre out(5 volt) theoretically. However most head units clip(start to distort) at around 80% of your volume so your 5 volt pre out wont give 5 volts Cleanly. You will most likely get 4 volts out at something like 33/40 on your volume knob and would thus set your gain to 4 volts. (these things can be measured with a GOOD Multimeter. )
    80% of your total volume is (max volume) X 0.8.
    Example is 40(is your max volume so, 40 X .8=32


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    Re: Building in trunk?

    Kreg jig and it's easy to build inside the vehicle.




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    Re: Building in trunk?

    Mine went together in about 30 minutes after it was built and I did a test fit in the trunk.




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