Apogee Technology has complained about some of Texas Instruments Inc.'s Class D claims. In March, TI called itself the first to introduce a single-chip Class D amplifier in the 125-watt/channel range.

Class D amps from $130 to $50,000—pulling more ears into hi-fi without demanding you sell a kidney. Solid tech, serious power, and none of the usual overpriced fluff. Finally, affordable doesn’t sound ...

Enter the RSX-1560 Surround Sound Receiver. The Rotel RSX-1560 certainly has a lot of bells and whistles for a more esoteric brand. To start with, as has been the case with recent Rotel offerings, the ...

Makers of Class-D switching amplifiers are employing new manufacturing processes and modulation schemes to expand beyond their early niche in television receivers into markets at both the higher and ...