All items tagged with dual-diaphragm (11)

Test Bench: B&C Speakers DCX354 High-Powered Coaxial Compression Driver and Horn

August 2, 2023 by Vance Dickason

Test Bench: B&C Speakers DCX354 High-Powered Coaxial Compression Driver and Horn

The B&C Speakers DCX354 ring radiator coaxial dual-diaphragm compression driver is a similar design to its big brother, the B&C Speakers DCX464 that was featured in the October 2019 issue of Voice Coil. The DCX354 has a 3" midrange diaphragm and a 2" and is good down to 400Hz. The horn tested with the DCX354-16 was the new B&C ME464, a very large horn device made of durable polyurethane plastic with an 80°×60° nominal coverage pattern. This article was originally published in Voice Coil, May 2023.

Knowles Balanced Armatures Pack High-Fidelity Punch into 21-Driver UE PREMIER IEM

June 23, 2023 by audioXpress Staff

Knowles Balanced Armatures Pack High-Fidelity Punch into 21-Driver UE PREMIER IEM

As Ultimate Ears Pro rolls out its most ambitious in-ear monitor (IEM) to date, the UE PREMIER, unveiled at the 2023 NAMM show, Knowles revealed the full extent of its collaboration with the Logitech company. The new UE PREMIER features a five-way crossover design with 21 drivers per earpiece, an industry-first. The IEM design features Knowles receivers, including supertweeters and dual-diaphragm balanced armatures, to achieve extended treble range and exceptionally crisp audio.

Test Bench: Wavecor’s TW045WA01 Coaxial Cloth Dome/Ceramic Cone Tweeter

June 21, 2023 by Vance Dickason

Test Bench: Wavecor’s TW045WA01 Coaxial Cloth Dome/Ceramic Cone Tweeter

This Test Bench characterizes the innovative TW045WA01 dual-diaphragm coaxial tweeter from Wavecor. This driver's dual-diaphragm assembly combines a 22mm coated textile dome for high-frequency extension and a 45mm ceramic/aluminum cone, which adds low-frequency output and efficiency. The hybrid design incorporates a dual neodymium magnet motor structure and sculpted foam damping ring attached to the faceplate. A very unique driver that is certain to appear in new two-channel high-end audio loudspeakers.

Get Connected to Speaker Intelligence in Voice Coil April 2023

March 29, 2023 by audioXpress Staff

Get Connected to Speaker Intelligence in Voice Coil April 2023

The April 2023 issue of Voice Coil reveals the genesis of Echo Test + Measurement and its AIO Test System. As scheduled, there's an updated industry directory of Cable and Connector vendors, James Croft reviews a key Polk Audio patent that expands on its Polk SDA loudspeaker prior art now in a more compact enclosure. And on Test Bench, Vance Dickason focus on the characterization of the innovative TW045WA01 dual-diaphragm tweeter from Wavecor.

Knowles Introduces New Dual-Diaphragm Balanced Armature for Premium Sound Performance

May 19, 2022 by Joao Martins

Knowles Introduces New Dual-Diaphragm Balanced Armature for Premium Sound Performance

Knowles Corporation announced its new dual-diaphragm balanced armature (BA), a patented design that the manufacturer believes to be a revolutionary advancement in the world of BA technology. The first product to benefit from this advancement is a new in-ear monitor (IEM) intended for the high end audio market, jointly-promoted by Astell&Kern and Campfire Audio. The new Pathfinder IEM earphone is one of many new products in this segment launched at the High End Munich show by Campfire Audio.

From Micro to Pro and High-End Speakers in Voice Coil May 2021

April 26, 2021 by audioXpress Staff

From Micro to Pro and High-End Speakers in Voice Coil May 2021

In Voice Coil May 2021, Andrew Taylor explains Klippel’s approach to "Comprehensive Transducer Testing in 24 Minutes," Mike Klasco writes about the use of "PEEK High-Performance Film Diaphragms and Cones," and there are two updated directories on MEMS Speakers and Microspeaker Vendors. James Croft reviews Mikhail Dinaburg’s “Speaker with Dual Diffuser” patent, while Vance Dickason characterizes the NSD1424BTN 1.4” compression driver from Eighteen Sound, and the Twt28_vMS high-end dome tweeter from Kartesian in Test Bench. Now available in print and digital.

Resonado Labs Debuts FCS Bidirectional Speaker Driver at CES 2021

January 18, 2021 by audioXpress Staff

Resonado Labs Debuts FCS Bidirectional Speaker Driver at CES 2021

Audio technology startup Resonado Labs continues to expand on its patented Flat Core Speaker (FCS) technology, taking on conventional, century-old speaker principles. Evolving on its FCS principles, Resonado debuted a dual-sided speaker driver at CES 2021. FCS Bidirectional allows for a diaphragm to be bonded to both sides of a voice coil. This design offers unique opportunities for very wide sound coverage as well as being particularly well suited for dipole type loudspeaker systems.

Shure Introduces TwinPlex Premium Subminiature Omnidirectional Lavalier and Headset Microphones

April 11, 2019 by audioXpress Staff

Shure Introduces TwinPlex Premium Subminiature Omnidirectional Lavalier and Headset Microphones

At the 2019 NAB Show, Shure unveiled TwinPlex, the company’s new line of premium subminiature (5 mm) omnidirectional lavalier and headset microphones. Designed to stand up to the toughest conditions, TwinPlex provides natural audio at both high and low frequency when professional vocal performance is a must. The new TwinPlex series uses a patent pending capsule technology in an easy-to-conceal package, ideal for quick costume changes or discreetly placed under wardrobe with no impact on sound quality.

Test Bench: BMS 4507ND Dual Diaphragm Coaxial Planar Wave Driver

January 16, 2019 by Vance Dickason

Test Bench: BMS 4507ND Dual Diaphragm Coaxial Planar Wave Driver

The BMS 4507ND is a unique transducer that uses a neodymium coaxial compression driver to drive a planar waveguide intended for use in line arrays. BMS Speakers patented the two-way compression driver technology in 1997. This month’s Test Bench subject, the 6.5” 4507ND features a 300-Hz to 22-kHz bandwidth (6 to 22 kHz for the tweeter and 400 Hz to 6.3 kHz for the midrange). The rectangular planar waveguide is optimized for 0° to 15° vertical dispersion and up to 120° in the horizontal plane. This article was originally published in Voice Coil, May 2014.

V-MODA Announces Crossfade 2 Wireless Codex Edition Upgrade

June 13, 2018 by audioXpress Staff

V-MODA Announces Crossfade 2 Wireless Codex Edition Upgrade

V-MODA, the lifestyle audio brand founded in California, inspired in Milan, Italy, and sold to Roland, Japan, announced the availability of its new Crossfade 2 Wireless Codex Edition headphones, an upgrade on the original version introduced in 2017. Ideal for both general consumers and enthusiasts who seek professional grade audio quality, the new hybrid wireless/wired analog headphone features additional high-quality Bluetooth audio codecs for the best possible sound.

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