loudspeaker 1. 2002.
This loudspeaker design uses a dual-cone full range speaker mounted in an aluminum ring, balanced by a weighted cylinder and brought to rest by a supporting ball. The open frame construction frees the speaker from any internal sound reflections that are common in a box speaker. The design minimizes contact with the resting surface, and therefore further minimizes reflections and resonances without the use of stands or other stabilizing devices.
Materials: aluminum chassis, doped paper cone driver.