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    Making circle cutouts for subs?

    What do you guys use? I have a couple of subs w/ no templates, and any compass I see being sold around here make small circles. A neighbor told me to draw lines from the center and connect the ends to form a circle, but I figure maybe there's a better way. Thanks.







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    Re: Making circle cutouts for subs?

    you must have something in your garage thats 12 inches in diameter, thats what i used.




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    Re: Making circle cutouts for subs?

    I need a 16" cutout.




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    Re: Making circle cutouts for subs?

    not sure if i totally understand, why not just take a piece of string with pen on it 8" long, screw it in the center and move it in a circle?




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    Re: Making circle cutouts for subs?

    Quote Originally Posted by Super98
    I need a 16" cutout.
    What size sub are you running?




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    Re: Making circle cutouts for subs?

    Compass works just fine for me...



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    Re: Making circle cutouts for subs?

    Router + Jig.




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    Re: Making circle cutouts for subs?

    I use a ruler, drill two holes the radius of your circle apart. Now, put a nail in one hole and trace the perimiter by putting a pencil into the other hole and making a circle.

    Make sure you have REALLY small holes though so that the measurement is accurate.



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    Re: Making circle cutouts for subs?

    I showed a method of cutting your holes out in this forum. check it out. you may be able to use it for your own



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    Re: Making circle cutouts for subs?

    Ok thanks. I'm getting an 18" avalanche and the cutout is 16-17" in diameter. I'll search for that post too Joedirt. I checked out an art store and they wanted $70 for a compass w/ an extension that can cover a circle that size. Shiiiiyat, they must be crazy.




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    Re: Making circle cutouts for subs?

    I used my router to make all my cut outs for my 'glassed box.

    I made up a little jig here. Then after making some measurments and a few test cuts, i got it to the right dimensions. I made multiple passes on it as well. It took a bit more time, but it came out perfect




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    Re: Making circle cutouts for subs?

    Use a router and a circle cutting tool. Takes a bit of time due to my crappy router, but comes out with a perfect circle.



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    Re: Making circle cutouts for subs?

    Quote Originally Posted by bigjus
    not sure if i totally understand, why not just take a piece of string with pen on it 8" long, screw it in the center and move it in a circle?
    You know what.........


    I never thought of that.....................



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    Re: Making circle cutouts for subs?

    JRZ126...... That is exactly what I am talking about in the thread I started on circle jigs. Mine looks alot like jasper200. But they do the exact same thing, good job and thanks for the reinforcement.............

    I wish you would have tucked the carpet inside the sub holes so you dont see the MDF rings



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    Re: Making circle cutouts for subs?

    Quote Originally Posted by joeldirt
    I wish you would have tucked the carpet inside the sub holes so you dont see the MDF rings

    Yeah I kinda cut the outter rings alittle too small so there wasnt much room for the subs, let alone some carpet. I just half assed the carpet on there anyways. If I find time to do it again, I'll throw some black paint on those rings so they dont stick out like a sore thumb




    my latest completed project. My new work in progress, (62 leds in the roof) check out my cardomain site at http://www.cardomain.com/id/jrz126 (page 2)

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