Frequency Chart for Instruments & Electronic Sounds
The venerable, though aesthetically displeasing Altec "Voice of the Theater" cabinet. In its defense, it was designed to hide behind a movie screen . . .
Why the sE Reflexion Filter works & others don't
Cymatics — the study of visible sound and vibration, a subset of modal phenomena. Different patterns emerge in the exitatory medium depending on the geometry of the plate and the driving frequency.