Voice Coil

08/30/2024

Cutting-Edge Drivers and New Enclosure Options in Voice Coil September 2024
In this issue of Voice Coil, Vance Dickason continues his exploration of available Outboard DSP systems, this time with a review of the Marani Pro MIR4801 Audio System Processor. And in his fifth article about bass reflex alignments, Claus Futtrup explores the concept of a transitional filter design between B4 and LR4. Next, Mike Klasco writes about new materials with an established supply chain and sustainability options for cabinets and enclosures. And for this Voice Coil September 2024 issue, Vance Dickason characterizes two recent drivers with cutting-edge features. First is the new B&C Speakers DE640-16 1.4" exit ring radiator type compression driver. The second is the latest MR13TX-4 5" TPCD TeXtreme midrange from SB Acoustics’ Satori line. All this and more are now available to read online, download, or in print.
https://audioxpress.com/news/cutting-edge-drivers-and-new-enclosure-options-in-voice-coil-september-2024


SB Acoustics
B&C Speakers SpA
TeXtreme

In this issue of Voice Coil, Vance Dickason continues his exploration of Outboard DSP systems with a review of the Marani Pro MIR4801 Audio System Processor. And Claus Futtrup explores the concept of a transitional alignment between B4 and LR4. Next, Mike Klasco writes about new materials for cabine...

07/26/2024

Voice Coil August 2024 Is Ready for You!
https://audioxpress.com/news/voice-coil-august-2024-is-ready-for-you

In this issue, Vance Dickason kicks off a series of outboard DSP processor reviews, starting with the powerful Danville Signal dspNexus. Next, Claus Futtrup offers the fourth article in his series about loudspeaker bass reflex alignments, this time about the Critically Damped Fourth-Order (CD4) approach. As scheduled, Mike Klasco (Menlo Scientific) shares his knowledge about wire and winding in "New Materials and Technologies for Voice Coils." This is followed by an updated directory of 2024 Voice Coil Winders compiled by Nora Wong (Menlo Scientific), not forgetting a select list of converters, lead out wire, and magnetic fluid suppliers. For this month's Test Bench, Vance Dickason assesses the new DH450-8 1" neodymium motor compression driver from B&C Speakers and the Stereo Integrity M3 3.5" carbon midrange driver. All are available to read immediately online, download in PDF and soon to arrive by mail to those who subscribed to print.

B&C Speakers SpA

Stereo Integrity

In this issue, Vance Dickason kicks off a series of outboard DSP processor reviews, starting with the Danville dspNexus. Next, Claus Futtrup writes about the Critically Damped Fourth-Order (CD4) bass reflex alignment. As scheduled, Mike Klasco writes about New Materials and Technologies for Voice Co...

07/22/2024

The Audio Voice 476: Steve Temme ( ) & Michael Ricci ( ) explain what we need to know about measuring MEMS microspeakers before integration in finished products. And Vance Dickason places the Stereo Integrity TM65 mkIV High-Performance 6.5" Woofer on Test Bench. http://x4gwm.mjt.lu/nl3/3nX1zSFcEJV-dpW9HUN4sA

07/15/2024

The Audio Voice 475: René Christensen explains how to reduce the computational demands for vibroacoustical transducer simulations. And Vance Dickason places the Dayton Audio Signature Series SIG180-4 6.5” Woofer on Test Bench!
http://x4gwm.mjt.lu/nl3/E88wf-jwQhiB_Xr0_EAKYA

06/28/2024

Aiming for Better Loudspeaker Designs in Voice Coil July 2024!
For the July 2024 issue of Voice Coil, Vance Dickason introduces a new article series about Outboard DSP, while Mike Klasco explores Diamond Coatings for Speakers, IEMs, and Headphones. That topic is a direct reference to this month’s scheduled focus: Adhesives, Coatings, Sealants, High-Tech Thin Films, Converters, and Dispensing Equipment. Mike Klasco and Nora Wong have once again compiled an updated directory with vendor profiles on those applications for the loudspeaker industry. This is followed by another article from Claus Futtrup, about the IB4 Bass Reflex Alignment - the third article in his series about the invention, concept, and historical perspective of loudspeaker bass reflex alignments. And diving straight into Vance Dickason’s Test Bench, this month we have the new Scan-Speak 15W/8534T00 5.5” woofer from the brand’s Classic Line, and the Scan-Speak D3404/606200 tweeter, the first from the brand using a Metamodal TPCD diaphragm. Now available to read online, download and in print.
https://audioxpress.com/news/aiming-for-better-loudspeaker-designs-in-voice-coil-july-2024


Scan-Speak A/S

In this July 2024 issue of Voice Coil, Vance Dickason introduces a new article series about Outboard DSP, Mike Klasco explores Diamond Coatings for Speakers, there is an updated directory of Adhesives, Coatings, Sealants, High-Tech Thin Films, Converters, and Dispensing Equipment vendors, and Claus....

06/04/2024

The 2024 Loudspeaker Industry Sourcebook (LIS) Edition is Now Available!
The 2024 edition of the Loudspeaker Industry Sourcebook (LIS) refreshes the renowned annual industry supply chain reference publication and includes a valuable overview of the State of the Speaker Industry, including some of the speaker designs that stand out in past months. The 2024 edition also offers a series of must-read Industry Features, celebrates industry milestones, and includes our traditional questions and answers with a select audio industry panel.

Go here to learn more about this year's issue
https://audioxpress.com/news/the-2024-loudspeaker-industry-sourcebook-lis-edition-is-now-available

Or jump directly to LIS 2024 online:
gotomylis.com

LIS Loudspeaker Loudspeaker

The 2024 edition of the Loudspeaker Industry Sourcebook (LIS) refreshes the renowned annual industry supply chain reference publication and includes a valuable overview of the State of the Speaker Industry, including some of the speaker designs that stand out in past months. The 2024 edition also of...

05/29/2024

The June 2024 issue of Voice Coil is now online!
Claus Futtrup explores more loudspeaker design options and this time explains the Linkwitz-Riley (LR4) Bass Reflex Alignment. Next up, Mike Klasco and Nora Wong compiled an updated industry directory of Headphone Test & Measurement Equipment. In Acoustic Patents, James Croft revisits an important invention from Bang & Olufsen, which has meanwhile been granted the respective patent. And for this month's Test Bench, Vance Dickason focused on professional audio and specifically woofers for sound reinforcement applications. The first driver he characterizes is the new Wavecor WF211PA01 8.25" woofer, intended for pro audio and offering a high level of performance as could be expected from the company. The second driver is from FaitalPRO, and is the powerful and versatile 10PR330 10" woofer, suitable for large PA systems and even bass guitar cabinets.
Read the printed issue, view it now online, or download the PDF.
https://audioxpress.com/news/voice-coil-june-2024-explores-more-drivers-and-transducer-options


FaitalPro
Wavecor speaker
Bang & Olufsen


GRAS Sound & Vibration UK Ltd

In the June 2024 issue of Voice Coil, Claus Futtrup explores the Linkwitz-Riley (LR4) Bass Reflex Alignment, in Acoustic Patents, James Croft revisits an important invention from Bang & Olufsen, which has been granted the respective patent, and Vance Dickason characterizes the new Wavecor WF211P...

05/15/2024

The Audio Voice 468: Rens Tellers reviews the Listen SoundCheck and AmpConnect 621 Audio and Acoustics Test Suite. And Vance Dickason places the LM10n Wide Band Midrange Ribbon Transducer from Radian Audio Engineering on Test Bench.
http://x4gwm.mjt.lu/nl3/o69zd5OrhgmbCSa3zf7bRg

This is the eagerly awaited characterization of the new LM10n planar ribbon from Radian Audio, one of the most interesting drivers launched in 2023. Like all of Radian's latest planar transducers this one was designed by 35-year loudspeaker engineering veteran Igor Levitsky, with the LM10n bein...

03/28/2024

Loudspeaker Knowledge and Innovation in Voice Coil April 2024

In Voice Coil April 2024, Tom James reminds us about the importance of SPL Graph Data, and Mike Klasco revisits the fundamentals of speaker lead-out wire. As scheduled, there's an updated directory of Speaker Cable and Connector Vendors. James Croft explores a patent awarded to Shure detailing a filter that may increase and extend the bass frequency response of a speaker. And for this month's Test Bench, Vance Dickason characterizes the Neotera Ultraflat UF 295 CBS 10" Subwoofer, followed by the SEAS W16NX005 5.25" Midbass Woofer with a metamodal TPCD diaphragm.
Voice Coil April 2024 is now available in print and digital!
https://audioxpress.com/news/loudspeaker-knowledge-and-innovation-in-voice-coil-april-2024


Shure

In Voice Coil April 2024, Tom James reminds us about the importance of SPL Graph Data, and Mike Klasco revisits the fundamentals of speaker lead-out wire. As scheduled, there's an updated directory of Speaker Cable and Connector Vendors. James Croft explores a patent detailing a filter that may...

03/18/2024

The Audio Voice 460: Gary Gesellchen explains how driver and port sizes determine how loud and how low a Bass Reflex system will play. And Vance Dickason measures the UF295FAS Thin-Profile Dipole 10" Woofer from Neotera.

http://x4gwm.mjt.lu/nl3/BQpCjt8IchpgI8vEOJbJxg

The Audio Voice 460: Gary Gesellchen explains how driver and port sizes determine how loud and how low a Bass Reflex system will play. And Vance Dickason measures the UF295FAS Thin-Profile Dipole 10" Woofer from Neotera.
http://x4gwm.mjt.lu/nl3/BQpCjt8IchpgI8vEOJbJxg


Bang & Olufsen
McIntosh Laboratory Inc.
Schiit Audio


G G N T K T - Immersive Aktivlautsprecher
AAVAA
Celestion Speakers
Audio Engineering Society

Realtek
Qualcomm
Qualcomm Technologies International GmbH

03/11/2024

The Audio Voice 459: Gary Gesellchen writes about Bass Reflex Performance Envelope. The first article of three. And Vance Dickason places the new Wavecor WF152BD09-04 6” Midbass Driver on Test Bench.
http://x4gwm.mjt.lu/nl3/ZdP_EOlVQHj_J1Z45vqZ-w

02/28/2024

Ideas for Speaker Enclosures Now in Voice Coil March 2024
Another issue of the best resource for the loudspeaker industry is now available. Voice Coil March 2024 focuses on speaker enclosures with a unique directory of innovative material ideas, followed by an always insightful patent review, where James Croft revisits the pivotal Dinaburg invention for good reason. For Test Bench, this month Vance Dickason characterizes the SIG180-4 6.5” woofer from Dayton Audio’s Signature Series, and a midbass shallow-profile 6.5” driver, the Stereo Integrity TM65 mkIV. Now available in print, to read online or digital download.
https://audioxpress.com/news/ideas-for-speaker-enclosures-now-in-voice-coil-march-2024



Dayton Audio






Stereo Integrity

Voice Coil March 2024 focuses on speaker enclosures with a unique directory of innovative material ideas, followed by an always insightful patent review, where James Croft revisits the pivotal Dinaburg invention. For Test Bench, this month Vance Dickason characterizes the SIG180-4 6.5” woofer from...

02/19/2024

The Audio Voice 457: Roger Tall explains how years of research by ClarityCap and The University of Salford allowed minimizing resonances in capacitors. And the New Wavecor TW030WA23/24 Tweeters on Test Bench. http://x4gwm.mjt.lu/nl3/C2AsPE1ELJmw5QIFSJyXpg

02/12/2024

The Audio Voice 456: Is Digital Jitter Really a Problem? Ethan Winer asks. And By Vance Dickason characterizes the AMT100H Air Motion Transformer from Eighteen Sound . Enjoy and Share. http://x4gwm.mjt.lu/nl3/Pi9LNc7HZDYo0WjRQ56r1g

02/10/2024

The Audio Voice 456: This was the 20th edition of Integrated Systems Europe (ISE) What Does It Mean for Audio? Why Is It So Successful? Why Is It So Big? What is there and what shouldn't. http://x4gwm.mjt.lu/nl3/Pi9LNc7HZDYo0WjRQ56r1g


TotalSonics - formerly dbx-tv
Monolithic Power Systems, Inc. (MPS)
Axign
Acústica Beyma S.L.
Asahi Kasei Microdevices - AKM
Ferrum.audio



Amadeus
Celestion Speakers
Naim Audio
Integrated Systems Europe (ISE)
Analog Devices, Inc.

Genelec
Dante
Eighteen Sound

HOLOPLOT

02/08/2024

The Audio Voice 456: report. An extremely well organized and successful event. What's sustaining the growth? What does this mean for the audio industry? And what about audio networking?

http://x4gwm.mjt.lu/nl3/Pi9LNc7HZDYo0WjRQ56r1g


TotalSonics - formerly dbx-tv
Monolithic Power Systems, Inc. (MPS)
Axign
Acústica Beyma S.L.
Asahi Kasei Microdevices - AKM
Ferrum.audio



Amadeus
Celestion Speakers
Naim Audio
Integrated Systems Europe
Analog Devices, Inc.

Genelec
Dante
Eighteen Sound

HOLOPLOT

02/03/2024

The Audio Voice 455: Is a Picture Worth a Thousand Words? Geoff Hill explains what is to know about the IEC 60263:2020 updated standard: Rules for scales and sizes for plotting frequency characteristics and polar diagrams. ...and what could go wrong.
http://x4gwm.mjt.lu/nl3/Hty8ktJAlIlh2oYVKlf-oA



Listen Technologies
Ampetronic


HOLOPLOT

OCA Alliance

Celestion Speakers

HOLOPHONIX
beyerdynamic
Focusrite
The MIDI Association
JUCE

01/30/2024

Voice Coil February 2024 Cone and Dome Issue Now Available

The February 2024 issue of Voice Coil is now available, and it includes a major resource for all speaker designers and manufacturers, which is our annual Loudspeaker Cone and Dome Manufacturers Directory. In Test Bench, you can find characterizations of the new SEAS Excel T29X001 home audio tweeter, the first transducer to incorporate Composite Sounds' TPCD metamodal technology. The second driver in Test Bench is Eighteen Sound's latest 8NTLS2000 8" high-power handling woofer, for professional audio applications.
https://audioxpress.com/news/voice-coil-february-2024-cone-and-dome-issue-now-available



TotalSonics - formerly dbx-tv

The February 2024 issue of Voice Coil is now available, and it includes a major resource for all speaker designers and manufacturers, which is our annual Loudspeaker Cone and Dome Manufacturers Directory. In Test Bench, you can find characterizations of the new SEAS Excel T29X001 home audio tweeter,...

01/18/2024

The Audio Voice 453: was the best in a long time. audioXpress attended to report about the solutions and technologies that will enable the audio products of tomorrow.

http://x4gwm.mjt.lu/nl3/3w8d3aGFaWkNdVVyJ3X8UA


Synopsys
Ansys

Kardome
Panasonic
Gibson
Mackie
JBL
Harman
AAC Technologies solutions
Ceva - The Smart Edge runs on Ceva
THX Ltd.
Wi-Fi CERTIFIED™




Alango Technologies, Ltd.
Axign
Infineon Technologies AG

12/30/2023

Happy 2024!
Celebrate All Year with Voice Coil
The Monthly Periodic for the Loudspeaker Industry


http://voicecoilmagazine.com

12/28/2023

Time For Your Voice Coil January 2024 Issue
Patrick Turnmire (Redrock Acoustics) writes about "Diagnosing Speaker Design Issues Using the Klippel Distortion Analyzer." James Croft (Croft Acoustical) reviews a Devialet patent titled "Infinite Baffle with Low Stiffness" that is much more than what the title suggests. As planned, this issue features an updated directory of 2024 Earphone and Headphone Manufacturers and a separate directory of Headphone and Earphone Parts. In Test Bench, Vance Dickason characterizes the new DE350-8 Ultra-Compact 1" Compression Driver "with a twist" from B&C Speakers, and the eagerly awaited new LM10n Wide Band Ribbon Transducer from Radian Audio Engineering. Now available for download, to read online, and already in the mail to print subscribers.

https://audioxpress.com/news/time-for-your-voice-coil-january-2024-issue



B&C Speakers SpA
Radian Audio
Devialet

In the first issue of Voice Coil for 2024, Patrick Turnmire writes about "Diagnosing Speaker Design Issues Using the Klippel Distortion Analyzer." James Croft reviews a Devialet patent. And in Test Bench, Vance Dickason characterizes the new DE350-8 Ultra-Compact 1" Compression Driver...

12/26/2023

Wishing you Joy, Hope and Peace this Holiday Season
and throughout the New Year *|:^)( ... )
from Vance Dickason and the Voice Coil team
https://audioxpress.com/page/Voice-Coil-Magazine

12/23/2023

The Audio Voice 450: An Important Anniversary and a personal milestone for audioXpress. Here’s to 10 Years More of Everything. Happy Holidays and Warmest Greetings! http://x4gwm.mjt.lu/nl3/4htWkYXeC5VhpzczF8gPeg

12/12/2023

In audioXpress January 2024, Martin Turesson explains how Thin-ply Carbon Diaphragm (TPCD) technology can be applied also to headphones, and Claus Futtrup writes about Loudspeaker Bass Reflex Alignments. Paul Marchese discusses Composite Amplifiers, Roger Tall explains how a research effort allowed....

12/04/2023

The Audio Voice 447: Michael Chandler-Page explains everything the new hybrid gain control feature of Cirrus Logic’s latest CS530xP family of Pro Audio ADCs. And Vance Dickason measures the first 6.5" OEM-only Midrange from Scan-Speak. Enjoy and Share!
http://x4gwm.mjt.lu/nl3/kyxCTX7LnFIXFoCZ3CG1sg


WiiM
Linkplay Technology Inc.
Amadeus
Voicemod

Asahi Kasei Microdevices - AKM

EXEGER
Roon Labs

InvenSense, A TDK Group Company
Routledge Business, Management and Economics
Menlo Scientific Ltd.

MP Materials Investing Goup

株式会社プロテリアルProterial,Ltd-Hitachi Metals,Ltd
Cirrus Logic
Scan-Speak A/S

11/29/2023

Just One More Thing. Don't Miss Voice Coil December 2023
Download now the December 2023 issue of Voice Coil, which includes a combination of valuable Industry News & Developments, industry resources, and expert knowledge for loudspeaker engineers. For this issue, Mike Klasco and Nora Wong (Menlo Scientific) 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 — the fifth Purifi woofer to be examined in Test Bench.
Your issue is now available in print, digital document, and for online viewing.
https://audioxpress.com/news/just-one-more-thing-don-t-miss-voice-coil-december-2023





Audio Precision, Inc
Menlo Scientific Ltd.
GRAS Sound & Vibration UK Ltd
PURIFI Audio

.

Outline Professional Audio

HEAD acoustics GmbH
Warkwyn

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 Har...

11/27/2023

Neotera Audio Introduces Ultra Flat Series Woofers
Read More https://audioxpress.com/news/neotera-audio-introduces-ultra-flat-series-woofers

Audio, which has manufacturing in Italy and engineering in Sweden, has recently released two rather interesting thin-profile 10" woofers, the UF295CBS, and the UF295FAS. Both woofers have a voice coil and motor structure located around the rim of the cone assembly, and both use and front and rear facing NBR surrounds for compliance. The UF295CBS was designed for small closed box subwoofer applications, while the UF295FAS is a a pure dipole woofer with a Fiberglass/Rohacell dome suspended directly on the voice coil.

Neotera Audio, which has manufacturing in Italy and engineering in Sweden, has recently released two rather interesting thin-profile 10" woofers, the UF295CBS, and the UF295FAS. Both woofers have a voice coil and motor structure located around the rim of the cone assembly, and both use and fron...

11/18/2023

The Audio Voice 446: Expanding our attention to professional audio, and the studio world, we talked with François Quereuil, Vice President, Audio Product Management at Avid, to discuss all the latest trends and learn where Pro Tools is heading. http://x4gwm.mjt.lu/nl3/J0Vq5K2zGSuX-mNie-OTOQ

Wireless Power Consortium

Audio Precision, Inc
Opal Camera

Rycote
ICEpower Audio
sonoro
Dirac
BdSound srl
HIFIMAN Electronics
Genelec
Avid

11/14/2023

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 D...

11/13/2023

The Audio Voice 445: Reinhold Lutz (AudioChiemgau) discusses how to measure loudspeaker SPL response and harmonic distortion at low frequencies in a standard environment. And the Beyma 10NMFS woofer on Test Bench.
http://x4gwm.mjt.lu/nl3/RR5D4dL-dcBdCc-PrUbjuQ

Harman Professional Solutions
FLUX:: Immersive
JLab
Knowles Corporation
COMSOL Multiphysics
Fraunhofer IIS
Creative Labs

Synaptics
RØDE Microphones
Mimi Hearing Technologies
Analog Devices, Inc.
ACON DIGITAL
NAGRA AUDIO
Acústica Beyma S.L.

Powercast
Energous Corporation
Wi-Charge
Ossia
AirFuel Alliance

EXEGER
Urbanista
Wireless Power Consortium