Some Speaker Problems That Needed Solving

In this article for Voice Coil, the two co-founders of Purifi Audio share some details about the company's unique research with loudspeakers, and reveal their findings in looking for the roots of speaker nonlinearities and distortion mechanisms. A research effort that the authors believe deserves consideration from the industry, as a new set of standard parameters that should be included in datasheets. This article was originally published in Voice Coil, August 2021.

Voice Coil October includes an updated directory of speaker-focused electronics, amps, and DSP vendors. And an insider's perspective about Nuvoton’s new smart amps, featuring Klippel's Controlled Sound (KCS) technology. This month's Acoustic Patents article discusses a Planar Loudspeaker Manifold patent granted to Dolby Laboratories, and Vance Dickason's Test Bench characterizes the latest Scan-Speak Ellipticor 21WE/4542T00 midrange, followed by the ODT29 fabric dome tweeter from Omega Audio. Now available online and in print!

Klippel announced an exciting cooperation with Nuvoton Technology, a leading provider of consumer-electronics and computer ICs from Taiwan, to release a new type of smart amplifier with integrated Klippel Controlled Sound (KCS) technology that compensates for nonlinear speaker responses. As a result of the project, Nuvoton developed the highly efficient mono Class D audio amplifier devices, NAU83G10 and NAU83G20. Both devices are now available.