Sunfire Cinema Ribbon Loudspeakers
Of the world's billions of loudspeakers, some 99.735% (an unassailable number I just made up) use only conventional dynamic drivers. That is, cones and domes. Coils and magnets. The remaining 0.265% of speakers use something else - that something invariably being one or another variation of a flat panel suspended from or sandwiched between large magnets statically charged screens.
Ribbon drivers are tricky, but Sunfire chief designer Bob Carver and his cohorts have been fooling with them for decades. Sunfire's new Cinema Ribbon speakers deploy a high-frequency ribbon driver in every model; the heavily pleated ribbon, though only about 5 inches in length, is claimed to approach the surface area and thus the power-handling and output potential of a standard 6-foot-long example. (Speaker-tech guru Tom Nousaine posits that the Sunfire driver is actually, technically speaking, a planar-magnetic type, a closely related form. Either way: makes no real difference to my purposes.)
The other two drivers in the CRM-2 speaker are twin conventional dynamic cones, 4.5-inch woofers that fire to the sides. Conventional only in their essence: Sunfire tells us that these are deployed much like the cones in the company's well-known miniaturized subwoofers, delivering extraordinary excursion and thus unprecedented power-handling and output potential from tiny means.