Hidden Staircase Under Stairs
This would be an Excellent way to do a library as well as storage.
love this idea - now if only I had a staircase to build it under
Omnidirectional Speaker Project, any interest, help? - Page 2
The Dodecahedron Speaker System by Sonihouse.
Tire Rim Grill (No Welding)
Trobla - Wooden Amplifier for Smartphones
Well Rounded Sound Speakers — Daily Tech Find
Wood maze speaker empty maze box full-range hifi3 full-range diy4 6.5