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Make: Technology on Your Time Volume 31 by Mark Frauenfelder

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Gregory Hayes

SOUND-O-LIGHT SPEAKERS

Surprisingly simple PVC pipe speakers are clear shining performers.

By William Gurstelle

While tidying up my workshop, I found some clear 3" PVC pipe left over from a spud gun project (the Nightlighter 36 taserpowered potato cannon in MAKE Volume 04). Clear PVC is one of my favorite building materials, but it’s expensive, and since the last thing I need is another potato cannon, I wanted to come up with a project that would make good use of its unique qualities.

Clear PVC is stiff and dense, which makes it excellent material for audio speaker cabinets. I had seen uniquely shaped speakers made from regular white ...

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