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Permalink Reply by Cause the Blue rat on January 9, 2016 at 7:11am

Proud to see that here on the ultimate do it yourself instrument forum everyone's picking this as a doable DIY project. $35 for a plastic cone, a stick and a clamp. With flaws. The stick wastes energy. The clamp itself will also take energy away from the cone. But I guess neither can be helped. No stick and a much smaller clamp would be improvements. 

Turtlehead, you might get move volume with a single piece of wood instead of a box. And a much smaller clamp. No paper and shave end ends down as thin as possible. Omni directional so it wont be aimed right at you. 

I get more volume out of mine by putting the headstock against a wall. : )

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Permalink Reply by turtlehead on January 10, 2016 at 10:03am

Yep Cause, could do much better than just the box I'm sure - I use an old hollow core door for a work table sometimes and get a big sound when I'm stringing up a new guitar.  Hopefully Oily or somebody else will incorporate this into a new build and get some good results.  Happy experimenting y'all!

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Permalink Reply by wormil on June 12, 2018 at 2:52am

More properly called a horn. It increases volume through impedance matching.

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Permalink Reply by Taffy Evans on June 12, 2018 at 12:44pm

Hi, all interesting. Is it the wall or door you hear resonating, or the fact that due to extra mass added to the peghead/neck the strings at the box end are driving the soundboard more efficiently, so more volume? 

Just athought. Taff

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