idea for living room bass trap
This could be a nice bass trap! Freestanding columns | Acoustic furniture | RELAX 040 | Ydol.
Timber framed traps
Wonderful way to light up your home: Wooden wall lamp /// Tolle Idee für den Innenraum: Hölzerne Wandlampe
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DIY Acoustic Panels Tutorial: I'd use old T-shirts for the fabric.
DIY Sound Diffusers—Free Blueprints—Slim, Optimized DIY Diffuser Designs (+Fractals) - Page 18 - Gearslutz.com
A super easy, super cheap, DIY, wooden, decent looking, sound diffuser design.
DIY acoustic tiles sound proofing home theater for around $20 each