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Just One More Thing. Don't Miss Voice Coil December 2023
by audioXpress Staff

Just One More Thing. Don't Miss Voice Coil December 2023

This is the last issue of Voice Coil for 2023, which includes a combination of valuable industry resources and expert knowledge for loudspeaker engineers. Mike Klasco and Nora Wong (Menlo Scientific) have compiled an updated directory of Engineering Simulation Software and Test & Measurement Hardware Vendors. And in Test Bench, Vance Dickason characterizes the latest PTT8.0X04-NAB-02 8" aluminum cone woofer from Purifi Audio.
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Everything That's Audio in audioXpress December 2023
by audioXpress Staff

Everything That's Audio in audioXpress December 2023

audioXpress December 2023 includes a market overview of multiroom audio, Brent Butterworth writes about new ways to measure ANC earbuds, and Stuart Yaniger measured the new Axign and GaN Systems Class-D audio amplifier board. Richard Honeycutt writes about tubes, BJTs, JFETs, MOSFETs, and ICs, and Dimitri Danyuk, discusses JFETs in audio circuits. Douglas Self explains how to optimize variable-frequency tone controls, and Jan Didden shares his eDD direct-drive amplifier project.
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Voice Coil November 2023. It's All About the Bass!
by audioXpress Staff

Voice Coil November 2023. It's All About the Bass!

From midbass to bass, Voice Coil November 2023 provides the lowdown on some of the loudspeaker industry's most interesting developments. James Croft explores a recently granted "Venturi expander" patent. Mike Klasco explores speaker design and signal processing techniques to achieve more bass, and Vance Dickason characterizes the Wavecor WF152BD09-04 6" midbass driver, and the UF295FAS Ultra Flat Series 10" thin-profile dipole woofer from Neotera.
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Vance Dickason's Loudspeaker Design Cookbook Celebrates 46 Years in Print with Expanded 8th Edition!
by Vance Dickason

Vance Dickason's Loudspeaker Design Cookbook Celebrates 46 Years in Print with Expanded 8th Edition!

More than 150,000 copies in print and acclaimed as the loudspeaker engineering "bible," Vance Dickason's Loudspeaker Design Cookbook celebrates 46 Years with an expanded 8th Edition. Vance Dickason explains what is new in this much expanded edition, published in color for the first time, and available softbound or hardbound.
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audioXpress November 2023 Takes You to the Edge of Audio Development
by audioXpress Staff

audioXpress November 2023 Takes You to the Edge of Audio Development

audioXpress November 2023 offers an exclusive in-depth report on optical MEMS microphone technology from sensiBel, and understand how microphones can impact active noise cancellation performance. Learn how a new ADC Hybrid Gain Control IC enables smooth microphone preamp gain changes, and how to use DSP for hearing enhancement applications. Explore a Motion Feedback (MFB) approach enabling effective active desktop subwoofers, and recap on a century of Home Loudspeaker Development.
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The Latest in Loudspeaker Knowledge and Developments in Voice Coil October 2023
by audioXpress Staff

The Latest in Loudspeaker Knowledge and Developments in Voice Coil October 2023

In the October 2023 issue of Voice Coil, James Croft reviews an active noise control enclosure system, and Mike Klasco and Nora Wong provide an updated directory of Integrated Electronics for Loudspeakers. Vance Dickason offers three different driver characterizations, starting with the AMT100H driver from Eighteen Sound. Next up, he tests an updated version of the popular TW030WA23/24 tweeter from Wavecor. And finally, measures the Scan-Speak D2008/2010, the revised version of the classic dome tweeter from the Danish brand.
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audioXpress October 2023 Speaker Builder Issue Is Now Available!
by audioXpress Staff

audioXpress October 2023 Speaker Builder Issue Is Now Available!

In the October 2023 issue of audioXpress, Jan Didden visits Dutch & Dutch, Reinhold Lutz shares a practical way to measure loudspeakers in any room with his AudioChiemgau Mode-Compensator, which is tested by Rens Tellers. We have two DIY open baffle projects from Perry Marshall and Charlie Laub, Richard Honeycutt writes about the Western Electric 91E, and Ethan Winer shares his Popping P Filter circuit. In the Sound Control column, Honeycutt explores Passive Variable Acoustics, and Chuck Hansen concludes his article series on Power Transformers. audioXpress October 2023 is now available in print, digital, and online.
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Magnets and Smart Electronics for Speakers in Voice Coil September 2023
by audioXpress Staff

Magnets and Smart Electronics for Speakers in Voice Coil September 2023

This issue of Voice Coil is packed full of great knowledge for speaker professionals. The September 2023 issue features three Test Bench characterizations: the Fountek NeoCD2.0 Ribbon Tweeter, the SB Acoustics WO24TX-4 Satori midbass, and the SEAS L22ROY2 8" subwoofer. This issue also features our annual overview of Magnetic Materials for the Loudspeaker Industry. Peter Larsen (Loudsoft) concludes his FINE Circle tutorial with a passive crossover for his design. This issue of Voice Coil is now available in print, online, and in digital formats.
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Product Development, Speakers, and Acoustic Analysis in audioXpress September 2023
by audioXpress Staff

Product Development, Speakers, and Acoustic Analysis in audioXpress September 2023

audioXpress September 2023 is a rich issue in the amount of audio topics explored and depth of analysis. Learn about the latest sound meters and acoustical simulation tools, what immersive audio really is, and what is possible with the development kits for true wireless earbuds from Knowles. Roger Shively does a full analysis of the Dinaburg C2S Concentric Coplanar Stabilizer speaker technology, Charlie Laub explains how to build a Minimally Baffled Dipole Loudspeaker, and Gary Gesellchen reveals viable bass reflex speaker designs.
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Speaker Design and Triple Test Bench in Voice Coil August 2023 
by audioXpress Staff

Speaker Design and Triple Test Bench in Voice Coil August 2023 

Voice Coil August 2023 offers the second part of Peter Larsen's FINE Circle speaker design tutorial, updated directories of Voice Coil Winders and Converters, and Magnet Vendors and Distributors for 2023. James Croft reviews a new Diaphragm patent attributed to Tymphany, and Vance Dickason offers a triple dose of Test Bench, starting with the Beyma 10NMFS 10" subwoofer, followed by the Wavecor WF182BD13-04 7" midbass woofer, and culminating in the Scan-Speak 18ME/9642T00 Ellipticor 6.5" Midrange.
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