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All items tagged with Eighteen Sound (34)

Celebrate 35 Years of Voice Coil with the November 2021 Edition

October 26, 2021 by audioXpress Staff

Celebrate 35 Years of Voice Coil with the November 2021 Edition

This edition celebrates 35 years of Voice Coil, the Periodical for the Loudspeaker Industry. We discuss a new earphone technology for Balanced Frequency Range, Mike Klasco writes about Subwoofers and Bass, and James Croft reviews a new loudspeaker patent from Tymphany. Finally, Vance Dickason places Purifi Audio’s PTT4.0X04-NFA-01 Home Audio Midbass, and Eighteen Sound’s AMT200P AMT driver and XMT200 waveguide on the Test Bench. Now available in print or download.

Voice Coil October 2021 Loudspeaker Magnetics Focus

September 27, 2021 by audioXpress Staff

Voice Coil October 2021 Loudspeaker Magnetics Focus

The October 2021 edition of Voice Coil discusses "The State of Loudspeaker Magnetics," with an annual overview of these critical industry components and materials for loudspeakers, complemented with an updated industry directory focused on Integrated Electronics. James Croft covers a patent awarded to Coastal Source for the variable waveguide speaker control, while Vance Dickason characterizes the powerful 15DS100 professional subwoofer from B&C Speakers, and Eighteen Sound's latest ND2T 1.4” neodymium compression driver. Now available in print, immediate online access or download.

Test Bench: Eighteen Sound NSD1424BTN 1.4” Pro Sound Compression Driver

August 19, 2021 by Vance Dickason

Test Bench: Eighteen Sound NSD1424BTN 1.4” Pro Sound Compression Driver

This Test Bench characterizes an ultra-compact 1.4” compression driver design from Eighteen Sound, the NSD1424BTN, combined with the brand's XT1464 60°x50° horn. This driver is driven by a 62mm diameter edge-wound voice coil, proprietary True Pistonic Motion (TPM) Tin (nitrate compound)-coated titanium diaphragm, 3P phase plug design with short openings and a high flare rate to reduce distortion and improve mid-range detail. This article was originally published in Voice Coil, May 2021.

Eighteen Sound: The Younger Face of Italian Speaker Tradition

July 22, 2021 by Joao Martins

Eighteen Sound: The Younger Face of Italian Speaker Tradition

In October 2015, audioXpress visited pro audio loudspeaker manufacturer Eighteen Sound in Italy, and we shared the details of its modern factory in Reggio Emilia. The article was intended to illustrate the ongoing company's expansion, combined with a bit of its history. A lot has changed in the company's structure since then, Eighteen Sound (and Ciare) was acquired by B&C Speakers, and the faces at Reggio Emilia also changed. This article was originally published in audioXpress, February 2016.

Test Bench: Eighteen Sound ND1TP Compression Driver and XT120 Horn

July 20, 2021 by Vance Dickason

Test Bench: Eighteen Sound ND1TP Compression Driver and XT120 Horn

The product on this Test Bench is Eighteen Sound’s ND1TP Compression Driver and XT120 Horn. Already the result of the company's efforts in the aftermath of the Eighteen Sound (and Ciare) acquisition by B&C Speakers in 2018. The ultra-compact ND1TP compression driver has a 25mm (1") throat diameter driven by a 44mm (1.75") diameter edge-wound voice coil wound with copper-clad aluminum wire (CCAW) on a non-conducting Nomex former with a proprietary treatment. This article was published in Voice Coil, April 2021.

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.

Full-Range Loudspeaker Industry Coverage in Voice Coil April 2021

March 26, 2021 by audioXpress Staff

Full-Range Loudspeaker Industry Coverage in Voice Coil April 2021

The April 2021 edition of Voice Coil is now available and combines a wide range of topics for loudspeaker industry professionals. Starting with "Practical Considerations for Quality Control Testing of Loudspeakers," to an overview of innovations in wires and connectors, and a directory of cable and connector vendors. And, Vance Dickason looks at two compression drivers matched with factory-supplied horns - the ND1TP from Eighteen Sound and the CD-11Nd from Acustica Beyma. Now available in print and digital.

audioXpress.com - The Most Popular Stories of 2019

December 27, 2019 by audioXpress Staff

audioXpress.com - The Most Popular Stories of 2019

Want to know which of the topics and stories published online in 2019 were the most popular? We looked at the most-read articles of 2019 in audioXpress.com (which also includes selected articles from Voice Coil magazine), and we created this Top 10 list of news stories and online articles. Here are the results!

Eighteen Sound Expands Tetracoil Dual Voice Coil Subwoofer Series

May 2, 2019 by Joao Martins

Eighteen Sound Expands Tetracoil Dual Voice Coil Subwoofer Series

Prolight+Sound 2019 was a reassuring show for all companies working with Eighteen Sound drivers. The company is now, together with Ciare, part of the B&C Speakers SpA Group of companies. At the Frankfurt show, Eighteen Sound and Ciare had their own separate booth (side by side with B&C), showing lots of new products in all areas of the portfolio. Of course, Eighteen Sound is renowned for its low frequency drivers, and during Prolight+Sound the company impressed with the new 18NTLW500 next generation high performance subwoofer using Tetracoil technology.

Test Bench: Eighteen Sound ND4015BE Beryllium Compression Driver

March 13, 2019 by Vance Dickason

Test Bench: Eighteen Sound ND4015BE Beryllium Compression Driver

This Test Bench examines Eighteen Sound's ND4015BE beryllium compression driver, which was mated to an Eighteen Sound XR2064 60° × 40° horn. This compression driver is available in two versions, a 1.5" throat and a 2" throat. This review focuses on the 2" throat model. The ND4015BE has a 4”-diameter edge-wound aluminum voice coil on a nonconducting Nomex former, a 4" pure beryllium diaphragm with a polymer surround. This article was originally published in Voice Coil, February 2014.

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