Voice Coil

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

11/11/2023

The Audio Voice 445: Wireless Power – Consumer Electronics Cut the Cord! From Qi to Q2 and NFC charging, to Powerfoyle hybrid photovoltaic solar cell technology, and projected wireless power via infrared and RF technologies. Enjoy and Share! 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

11/02/2023

The Audio Voice 444: Andrew Bellavia (AuraFuturity) writes about the first year of the Over-the-Counter (OTC) hearing aid rule. It seems that just 2% of those with hearing difficulties purchased an OTC hearing aid in this time.
And
http://x4gwm.mjt.lu/nl3/wBEZfM41CY31Bl-nI6iVEQ





Scan-Speak A/S
Synaptics
Klipsch

RØDE Microphones

DiGiCo
Fourier Audio

Jabra
Lexie Hearing USA
Sonova
Sennheiser Hearing

10/30/2023

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

From midbass to bass enhancement and ultra-thin woofers Voice Coil November 2023 provides the lowdown on some of the loudspeaker industry's most interesting developments. James Croft explores a recently granted Speaker Enclosure Venturi Expander patent that evolved from the original 1970's venturi port and related patents. And Mike Klasco explores speaker design and signal processing techniques to achieve more bass, challenging Hofmann's Iron Law. In Test Bench, Vance Dickason characterizes the 6" WF152BD09-04 midbass driver from 's recent range that uses a proprietary interwoven Kevlar and carbon fiber cone. Also this month in Test Bench, Vance Dickason measures the UF295FAS Ultra Flat Series 10" woofer, a thin-profile woofer designed specifically for dipole system applications, from new company . Get your copy now, available to read online, downloadable in PDF, and in print. https://audioxpress.com/news/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 m...

10/30/2023

The Audio Voice 443: Jan Didden writes about Audio Circuits, Bandwidth, Slew Rate and All That Jazz. And James Croft reviews a Smart Bass Reflex Loudspeaker patent from Amazon. Enjoy and Share!
http://x4gwm.mjt.lu/nl3/X9NMmJyull8J-F353bdHIA


Eleven Engineering Limited

DAD - Digital Audio Denmark

Audeze

Tymphany
EXEGER
BdSound srl

Connectivity Standards Alliance

Acculution ApS
COMSOL Multiphysics

10/25/2023

We are ready for an exciting AES New York 2023 Convention! AudioXpress and Voice Coil magazines are here, booth #851. Let’s celebrate the Audio Engineering Society 75th anniversary and in

10/23/2023

The Audio Voice 442: Roger Shively conducted a detailed analysis of the Dinaburg C2S Concentric Coplanar Stabilizer (C2S) loudspeaker technology. And James Croft reviews Two Key Resonado Patents. Enjoy and Share.
http://x4gwm.mjt.lu/nl3/d-HPToX1fDUh-nR1spBbdw


Audio Engineering Society
AONDevices, Inc
PSB Speakers


GRAS Sound & Vibration UK Ltd

Warwick Acoustics
Infineon Technologies AG
A.bsolument - Sound for the future
Focal
Powersoft

Shively Acoustics International
Resonado Labs

10/21/2023

The Audio Voice 442: The Audio Engineering Society Celebrates 75 Years. What Is It All About? Where To Now? Never a better time to look back at its origins and true spirit in "audio engineering" and audio innovation. Let's meet in NY! Booth 851. http://x4gwm.mjt.lu/nl3/d-HPToX1fDUh-nR1spBbdw


AONDevices, Inc
PSB Speakers


GRAS Sound & Vibration UK Ltd

Warwick Acoustics
Infineon Technologies AG
A.bsolument - Sound for the future
Focal
Powersoft

Shively Acoustics International
Resonado Labs

10/19/2023

The Audio Voice 442: The Audio Engineering Society is celebrating 75 years at next week's 155th AES Convention in New York. Important to reflect on what the institution was, what is, what's missing, and where it should be headed.
And
http://x4gwm.mjt.lu/nl3/d-HPToX1fDUh-nR1spBbdw


Audio Engineering Society
AONDevices, Inc
PSB Speakers


GRAS Sound & Vibration UK Ltd

Warwick Acoustics
Infineon Technologies AG
A.bsolument - Sound for the future
Focal
Powersoft

Shively Acoustics International
Resonado Labs