Omnidirectional loudspeaker

A speaker propagating phase and time coherent sound waves in the manner of a point source, comprising:

• a relatively high frequency range driver, a relatively low frequency range driver, and an intermediate frequency range driver;
• a driver support member supporting said high frequency range driver, said intermediate frequency range driver, and said low frequency range driver thereon, said high frequency range driver and said intermediate frequency range driver disposed upon said driver support member to project sound waves in one direction, and said low frequency driver disposed upon said driver support member to project sound waves in an opposite direction, said driver support member having a partially tubular lateral wall including openings formed in said lateral wall, and said speakers, being arranged coaxially within said driver support member, said driver support member having only sound reflective exposed surfaces;
• and
• a housing having a lower section forming a low frequency sound propagation chamber disposed below said low frequency driver and enclosing said low frequency sound propagation chamber, said low frequency sound propagation chamber having
• a plurality of horizontally oriented, vertically spaced apart slats formed in said housing, said slots disposed to communicate between said low frequency sound propagation chamber and the exterior of said housing,
• a sound absorbing interior liner, an air conduit projecting thereinto, said air conduit having a proximal end opening towards said low frequency range driver and a distal end opening to the exterior of said housing below said housing, said air conduit extending into said low frequency sound propagation chamber more than half of the height of said low frequency sound propagation chamber, whereby said air conduit enables air to migrate within said low frequency sound propagation chamber while limiting disruption of air occupying said low frequency sound propagation chamber, said air conduit being centrally located within said low frequency sound propagation chamber, vertically oriented, and having only sound reflective exposed surfaces, and
• an upper section disposed above said low frequency sound propagation chamber, said upper section and said lower section of said housing assuming a truncated obeliskoid configuration,
• said lower section of said housing including caster wheels fixed to and depending from said housing, whereby said speaker may be maneuvered by being wheeled on a floor surface.