Low Frequency in Loudspeakers: It’s All About the Bass!

All the speaker design techniques to achieve more bass, challenging Hofmann's Iron Law. The same bass in a smaller enclosure? Deeper or louder bass for the same enclosure back volume? Higher efficiency for a given alignment? A cleaner lower distortion bass? Learn about the companies, products, and technologies that make all this possible. This article was originally published in Voice Coil, November 2023.

Happy 36th Anniversary Voice Coil! The November 2022 issue of Voice Coil once again celebrates the launch of this periodical as an information resource for the loudspeaker industry. Also, this month, Mike Klasco writes about technologies and solutions to enhance low-frequency performance, and James Croft reviews a recent patent awarded to Panasonic for a loudspeaker arrangement for a Near to the Ear Subwoofer in a car seat. For this month's Test Bench, Vance Dickason characterizes the 6CXN36 coaxial 6.5” pro sound driver from B&C Speakers, and Wavecor’s FR4X-6WA01 compact oval full-range driver. Now available in print, digital and online.

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.

audioXpress September 2014 — special Speaker Focus Edition is now available online and in print. It’s (almost) all dedicated to speakers, including Nordic Audio Tales, a new series dedicated to the speaker brands from the northern regions of Europe, a complete overview of Theater Sound speaker companies, and much more.