All items tagged with planar magnetic (71)

Patent Review: Two Single-Ended Planar-Magnetic Speaker Patents

January 27, 2021 by James Croft

Patent Review: Two Single-Ended Planar-Magnetic Speaker Patents

James Croft reviews two loudspeaker-related patents as a tribute to David John Graebener, who passed away on January 3, 2015. First James Croft reviews the planar-magnetic electro-acoustic transducer he patented together with Graebener, followed by a single-end planar magnetic speaker system, David’s key patent. These were the first and second of the Single-Ended, Neodymium planar magnetic transducer patents David Graebener was granted. This article was originally published in Voice Coil, March 2015.

Dan Clark Audio Introduces Special Edition AEON 2 Noir Planar Magnetic Headphones

December 21, 2020 by audioXpress Staff

Dan Clark Audio Introduces Special Edition AEON 2 Noir Planar Magnetic Headphones

Dan Clark Audio introduced a special edition of its AEON 2 planar magnetic headphones, the AEON 2 Noir. As the San Diego-based company explains, since the launch of AEON 2 headphones back in 2019, when the company also changed its name from MrSpeakers to Dan Clark Audio, the market has been frequently requesting an all-black version, complemented with perforated pads. The company responded and the AEON 2 Noir, available in closed and open back versions, are now available.

HIFIMAN Electronics Launches New R10P Planar Magnetic and R10D Dynamic Closed-Back Headphones

November 30, 2020 by audioXpress Staff

HIFIMAN Electronics Launches New R10P Planar Magnetic and R10D Dynamic Closed-Back Headphones

HIFIMAN unveiled its first closed-back planar magnetic headphone design since basically the company was founded in 2007 by Dr. Fang Bian. Using a wood-carved earcup design, HIFIMAN launched the R10P Planar Magnetic model, featuring carved cherry wood earcups with a natural lambskin exterior, aiming to please the most demanding headphone enthusiasts with a luxury design. As a more affordable but interesting option, HIFIMAN launched the similar R10D, using an improved dynamic driver design and solid pinewood earcups.

Test Bench: The LT2 Ribbon Transducer and Waveguide from Radian Audio Engineering

November 12, 2020 by Vance Dickason

Test Bench: The LT2 Ribbon Transducer and Waveguide from Radian Audio Engineering

For this Test Bench, Vance Dickason characterized the LT2 Ribbon Transducer and corresponding waveguide from Radian Audio Engineering. This is effectively a smaller version of the LT6 ribbon transducer reviewed in the July 2020 issue of Voice Coil, but offering much more diverse possibilities, as Vance Dickason discovers. And as the compact LT2 shows, this was designed to be more of a hi-fi or home theater substitute for any high frequency driver. This article was originally published in Voice Coil, August 2020.

Thin-Film High-Frequency Transducers (Part 2) - The LT2/LT6 Ribbon Transducers

October 28, 2020 by Igor Levitsky

Thin-Film High-Frequency Transducers (Part 2) - The LT2/LT6 Ribbon Transducers

In its August 2020 edition, Voice Coil featured an article by experienced speaker designer Igor Levitsky on The Advantages of Thin-Film High-Frequency Transducers. In a follow-up Spotlight article the author returns to expand on the development and design aspects of the Radian Audio LT2/LT6 Ribbon Planar transducers - its more recent, commercially available project, in which he continues to be involved. This article was originally published in Voice Coil, September 2020.

Thin-Film High-Frequency Transducers (Part 1) - The Advantages

October 22, 2020 by Igor Levitsky

Thin-Film High-Frequency Transducers (Part 1) - The Advantages

In its August 2020 edition, Voice Coil featured an article by experienced speaker designer Igor Levitsky, highly recognized in the industry for developing some of the best planar magnetic speaker and headphone drivers for some of the most reputed brands, focusing precisely on this type of technology. It seems clear that we will see more and more headphones and speakers using thin-film drivers, as the industry is now perfecting the use of different types of diaphragms and materials. The August 2020 edition of Voice Coil includes the first part of this article, completed in the September 2020 edition.

Voice Coil October 2020 Puts Speaker Electronics, Amps, and DSP in Focus

September 25, 2020 by audioXpress Staff

Voice Coil October 2020 Puts Speaker Electronics, Amps, and DSP in Focus

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!

Fresh From the Bench: Audeze Mobius Headphones Reviewed

September 2, 2020 by Luke McCready

Fresh From the Bench: Audeze Mobius Headphones Reviewed

High-end planar magnetic headphone manufacturer Audeze broke out of the mold with the Mobius: a wireless Bluetooth headphone capable of LDAC high-resolution playback, virtualized surround sound with built-in head-tracking, and a number of surprises Audeze continues to invent. In his review, Luke McCready shares what he learned about the fantastic Audeze Mobius Headphones, a very sophisticated platform to which Audeze keeps adding new features. This article was originally published in audioXpress, March 2020.

Free Tutorials and Speaker Design Advice from Experts in August 2020

July 24, 2020 by audioXpress Staff

Free Tutorials and Speaker Design Advice from Experts in August 2020

The August 2020 edition of Voice Coil magazine opens with a great article by Igor Levitsky on “The Advantages of Thin-Film High-Frequency Transducers,” followed by a tutorial on voice coils by Mike Klasco, and an updated directory of vendors. James Croft reviews a speaker design patent from Panasonic, and Vance Dickason places the LT2 ribbon transducer and waveguide from Radian Audio Engineering, and the 140FCD 1" compression driver from REDCATT on his Test Bench.

Avantone Pro Launches Planar Open-Back Reference-Grade Headphones

July 21, 2020 by audioXpress Staff

Avantone Pro Launches Planar Open-Back Reference-Grade Headphones

Avantone Pro introduced Planar, a new high definition, open planar driver design that allows for lower distortion, fast response, and an extended frequency response, going all the way to 30kHz. Avantone says the new design is inherently flat, and tuned in order to deliver more precision and accuracy when monitoring and mixing, which is the aim for the brand's core target audience. But these over-the-ear planar headphones, being lightweight and comfortable, are certain going to appeal to a broader audience, which also uses headphones for long periods of time.

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