All items tagged with voice coil (51)

audioXpress.com - The Most Popular Stories of 2018

December 28, 2018 by audioXpress Staff

audioXpress.com - The Most Popular Stories of 2018

2018 was another record-breaking year for audioXpress.com with visits and users doubling the figures compared to our record year in 2016. Want to know which of the topics and stories published online in 2018 were the most popular? We looked at the most-read articles of 2018 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!

Double Down: Voice Coil Focuses on Voice Coils for August 2018

July 24, 2018 by audioXpress Staff

Double Down: Voice Coil Focuses on Voice Coils for August 2018

A reinforced dose of everything that makes Voice Coil the Loudspeaker Industry must-read, the August 2018 edition features an updated directory on Voice Coil manufacturers, while James Croft reviews two patents directly inspired by the work of Dr. Oskar Heil on an Air Motion Transformer (AMT) woofer system. Finally, Vance Dickason characterizes three drivers in Test Bench, including the new Eminence Alpha-5-8 5” midbass driver; the TPL75, a compact pro sound AMT from Acustica Beyma; and a new pro sound compression driver from B&C Speakers.

audioXpress.com: The Most Popular Stories Of 2017

December 27, 2017 by audioXpress Staff

audioXpress.com: The Most Popular Stories Of 2017

This year we thought our readers would like to know which of the topics and stories published online in 2017 were the most popular for our community. We looked at the most-read articles of 2017 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!

VC Spotlight: Boundary Effects on Sources at Low Frequencies

April 27, 2017 by Christopher J. Struck

VC Spotlight: Boundary Effects on Sources at Low Frequencies

A sound source, such as a loudspeaker, will experience an increase in directivity with increasing frequency, as the wavelength of sound becomes small compared to the baffle’s size. Since the baffle the driver is mounted on is larger than the driver, this occurs at a lower frequency than for the driver diaphragm itself. This article was published originally in Voice Coil, July 2016

Louder, Faithful, and Consistent. Using Digital Signal Processing to Improve Loudspeaker Performance

March 22, 2017 by Wolfgang Klippel

Louder, Faithful, and Consistent. Using Digital Signal Processing to Improve Loudspeaker Performance

Within the audio chain, the loudspeaker could be the element that most influences a user’s auditory experience. A loudspeaker is not only the final element that converts electric input into an audible output, but it is also responsible for an increasing portion of the system’s cost, inefficiency, weight, and size, making it a crucial element for the costumer and the manufacturer. This article, published in Voice Coil, May 2016, discusses ways to use digital signal processing to improve loudspeaker performance.

Voice Coil Celebrates 30 Years! Download Now!

October 24, 2016 by audioXpress Staff

Voice Coil Celebrates 30 Years! Download Now!

November 2016 marks the beginning of Voice Coil’s 30th year and this issue celebrates it accordingly! The November 2016 issue is filled with great articles including a Spotlight by Mike Klasco on MEMS Microphones, and an extensive directory of Mic Capsule Vendors. In this month’s Acoustic Patents, James Croft reviews two different patents, which apparently should have been scrutinized by industry experts - and weren’t. While this month’s Test Bench features new drivers from two of the premier Italian Pro Sound OEM manufacturers, Faital Pro and B&C Speakers.

Voice Coil Spotlight: New in Voice Coils

February 4, 2016 by Mike Klasco

Voice Coil Spotlight: New in Voice Coils

In the August 2015 edition of Voice Coil, Mike Klasco provided an industry update on the industry trends regarding voice coils. He starts with a look at the business side of speaker manufacturing and discusses new voice coil, collars and wire materials. The article also provides an insightful look-ahead on this critical part of speaker design.

Test Bench - BMS 18S450 18” Pro Sound Subwoofer

October 21, 2015 by Vance Dickason

Test Bench - BMS 18S450 18” Pro Sound Subwoofer

Voice Coil characterizes an 18” pro sound subwoofer from BMS Speakers, a noted German pro sound company. The BMS 18S450 is high power handling woofer rated at 1,200 WRMS. It weighs a moderate (for an 18”) 32 lb. Features for the 18S450 are rather substantial and include a proprietary eight-spoke cast-aluminum frame. This article was originally published in Voice Coil August 2104.

Headphone Testing (Part 2): Digital Headphones (USB & Bluetooth) and Noise-Canceling Headphones

July 22, 2015 by Brian Fallon

Headphone Testing (Part 2): Digital Headphones (USB & Bluetooth) and Noise-Canceling Headphones

Headphones with built-in electronics, such as digital headphones (including Bluetooth and USB), and noise-canceling headphones are harder to test because the electronics and transducers need to be tested together as a complete system. This Part 2 article discusses those tests. Article originally published in Voice Coil April 2012.

Headphone Testing (Part 1): The Basics

July 15, 2015 by Steve Temme

Headphone Testing (Part 1): The Basics

In this article, Steve Temme discusses the issues that are common to testing all types of headphones. As more and more loudspeaker engineers find themselves employed in the fast-growing headphone market, it is important that the unique challenges of testing headphone packages are fully understood.

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