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Thread: 1x12 from large a pipe

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    Senior Member Guitarist's Avatar
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    1x12 from large a pipe

    That green pipe they use for construction would work great for a speaker cab. If the top was cut at an angle it would self-balance but if then you have an oval. Otherwise add a long pice of dowel is a forward lean support. Good angles would be a plus so you can hear the amp at its best. I made a model - to demonstrate this to my picky bass player bud - from the inside of a toilet paper roll.

    To size, just cut it with a band saw. Screw mounts could be wood pieces Gorilla glued to the inside.

    A really wide pipe would give large internal volume with minimal height. How much would equal a cab 16" deep (the optimum in my opinion) I don't know. Maybe there is an online calculator someplace.

    Easy to paint, and the raw speaker would look cool but exposed to harm.

    Why are we using 12' speakers all the time?

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    Saw one made from column form cardboard!

    Many years ago in Speaker Builder magazine, a bass player used the round cardboard used to form concrete to build a cabinet. Used a 15 EV firing down into the tube, figured the volume needed for the height of the thing, and the rear of the speaker radiated 360 degrees. Seems he had a baffle at the top(rear) of the driver. Said he gigged with it a lot, and worked great for bass,(non-directional anyway). I always wanted to try one but never did.

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    Amp guys will build a cab out of just about anything!! Doug Hoffman built a GA5 into a plastic electrical box.

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    Senior Member Regis's Avatar
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    Quote Originally Posted by pila View Post
    Amp guys will build a cab out of just about anything!! Doug Hoffman built a GA5 into a plastic electrical box.
    I've built attenuators in gas cans, cigar boxes, and coffee cans.

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