Violinmaker and aoustic researcher D.Ennemoser's C37-theory of natural sound, including applications on violins and loudpeakers.

Solutions using computer modelling to determine the vibration modes and impact on a building, equipment or mechanical component when exposed to a vibration source.

Discussions of loudspeaker plans and designs. Sealed, isobaric, ported, mtm, speaker, esotar, tweeter, woofer, midrange, speaker building

wave creation, propagation, reception and understanding are at the core of our business. Sound at frequencies below that which can be heard to light at frequencies above that which can be seen barely begin to span the range of experience and understanding that unify our four technology areas.

Bill & Mary Buchen