All items tagged with diaphragms (26)

JBL Professional Debuts the JBL VTX A6 Line Array Element and B15 Compact Subwoofer

July 26, 2022 by Alfred Moody

JBL Professional Debuts the JBL VTX A6 Line Array Element and B15 Compact Subwoofer

Harman Professional Solutions introduced the newest members of JBL Professional’s flagship VTX line array series, the VTX A6 subcompact dual 6.5-inch passive line array element and the B15 compact, arrayable 15-inch subwoofer. The A6 and B15 bring JBL’s top acoustic technologies to compact form factors for small- to medium-size touring and fixed installations, providing versatile solutions for production companies, touring acts, rental houses, theaters, houses of worship and any space-critical applications.

Patent Review: A Speaker Device Offering Extended Bass Performance

May 17, 2022 by James Croft

Patent Review: A Speaker Device Offering Extended Bass Performance

This review discusses an intriguing speaker design patented by Walter Ka Wai Chu, from Taiwan. The design allows the speaker device to potentially improve the bass performance in the entire low-frequency band instead of being limited to only a few low-frequency points, the inventor claims. While James Croft confesses to being somewhat skeptical of whether, in its current disclosed form, the device will provide a useful advantage, he found the design sufficiently interesting to be analyzed in more detail.

February 8, 2022 by Mike Klasco

Speaker Applications Using Alpine HX5 Ultra Strong Lightweight Nanocomposite

Loudspeaker designers can look forward to a couple of exciting materials that have been in stealth mode but are about to step into the spotlight. A lightweight military aviation-grade nanocomposite from Alpine Advanced Materials, HX5 may be an alternative to beryllium and high-performance aluminum alloys used in woofer, midrange, and full-range cones. Compared to aluminum, cones can be made at half the weight with comparable strength. This article was originally published in audioXpress, January 2022.

Voice Coil February 2022 Highlights Innovation in Speaker Diaphragms

January 26, 2022 by audioXpress Staff

Voice Coil February 2022 Highlights Innovation in Speaker Diaphragms

The February 2022 edition of Voice Coil is now available and brings the latest information about speaker diaphragms and all the innovations in cones, domes, and surrounds. Martin Turesson tells the story of Composite Sound and its second-generation Metamodal TPCD technology, while Mike Klasco discusses advancements in materials and processes for speaker diaphragms and surrounds. And in Test Bench, Vance Dickason characterizes the latest Satori MW19TX-8 midbass woofer by SB Acoustics using TPCD (TeXtreme) technology, before addressing the latest Industry updates.

New Speaker, Headphone, and Earphone Perspectives with Voice Coil January 2022

December 29, 2021 by audioXpress Staff

New Speaker, Headphone, and Earphone Perspectives with Voice Coil January 2022

We're off to a great start in 2022. Starting with details about the promise of Iron Nitride (FeN) magnets, followed by an article about Liquid Injection Molding Silicon for Next-Generation Headphone Surrounds. Next up, James Croft reviews a surround speaker patent granted to Klipsch, and Vance Dickason characterizes the Satori MW13TX-4 TPCD-cone woofer from SB Acoustics and the high-power WF275BD01 10.75" woofer from Wavecor. All articles now available to read online, PDF and print.

audioXpress January 2022 Looks Ahead at Speaker Technology Developments

December 13, 2021 by audioXpress Staff

audioXpress January 2022 Looks Ahead at Speaker Technology Developments

Great articles, practical projects, reviews, and audio technology previews start the year in full force! That's what our readers will find in audioXpress January 2022, starting with an update on new materials and engineering approaches for loudspeakers, and articles by Charlie Hughes, Scott Dorsey, Frans de Wit, Ken Bird and Mike Harkins. Brent Butterworth reviews the Olive Pro earbuds, while Raj Senguttuvan from Knowles discusses differentiation for True Wireless Stereo (TWS) design and development.

Test Bench: SB Acoustics’ Satori MW16TX-8 Textreme Woofer

September 1, 2021 by Vance Dickason

Test Bench: SB Acoustics’ Satori MW16TX-8 Textreme Woofer

This Test Bench article characterizes the SB Acoustics Satori MW16TX-8 TeXtreme Cone 6.5” Woofer, the third diaphragm transducer in Test Bench using this material, following the Eminence N314X-8 compression driver, and the SB Acoustics TW29TXN-B-4 dome tweeter. TeXtreme diaphragms are definitely finding acceptance among loudspeaker manufacturers. The MW16TX-8 is part of the SB Satori line of high-end transducers and has a substantial feature set. This article was originally published in Voice Coil, June 2021.

Ora Graphene Announces Strategic Investment to Advance GrapheneQ Commercialization

June 15, 2021 by audioXpress Staff

Ora Graphene Announces Strategic Investment to Advance GrapheneQ Commercialization

Ora Sound Graphene, the Canadian company that is the world's first commercial producer of free-standing graphene membranes for speaker drivers, announced the closing of its $3 million Seed financing round today. The deal was led by Ecofuel Fund along with Export Development Canada (EDC), BDC Capital and certain members of New York Angels. Existing investors TandemLaunch, and BoxOne Ventures also participated in the round.

New Klippel SCN Near Field Add-On (SCN-NF) Now Available

March 9, 2021 by audioXpress Staff

New Klippel SCN Near Field Add-On (SCN-NF) Now Available

Announced earlier in 2020, Klippel now confirmed availability of its new SCN Near-Field Add On (SCN-NF), a new solution that accurately enables all the most relevant transducer measurements using a single hardware setup in a non-anechoic room. This new powerful addition to the Klippel Scanning Vibrometer is a smart alternative to using an anechoic chamber, and the fastest way to get full directivity holographic measurements, extrapolate SPL to any point in 3D half-space and obtain balloon, contour, polar and sound power plots.

Materion and Radian Audio Partner to Increase Production of High-End Truextent Acoustic Beryllium Diaphragms

March 2, 2021 by audioXpress Staff

Materion and Radian Audio Partner to Increase Production of High-End Truextent Acoustic Beryllium Diaphragms

Materion Corporation established a partnership for Radian Audio to handle manufacturing of Truextent premium acoustic beryllium diaphragms used in loudspeakers for both the pro audio and home audiophile markets. Since 2011, Radian Audio has supplied beryllium diaphragms and complete compression drivers and the company is recognized as one of the top suppliers in the category. The new partnership extends the resources for beryllium-based solutions available to brands and manufacturers.

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