All items tagged with voice coil winding (13)

Enhancing Loudspeaker Efficiency and Bl(x) Symmetry with Virtual Voice Coil, Part 2

June 11, 2025 by Dario Cinanni

Enhancing Loudspeaker Efficiency and Bl(x) Symmetry with Virtual Voice Coil, Part 2

This is the second article detailing the design and simulation possibilities of the SpeakerLAB software and its Virtual Voice Coil (VVC) module for speaker designers. This simulation includes complete temperature management involved in loudspeaker calculus. The article also expands on audio transducer parameter prediction such as maximum SPL, analyzes key design components such as the magnetic circuit, and analyses the resulting simulated metrics that could help determine the highest efficiency.

Enhancing Loudspeaker Efficiency and Bl(x) Symmetry with Virtual Voice Coil, Part 1

June 4, 2025 by Dario Cinanni

Enhancing Loudspeaker Efficiency and Bl(x) Symmetry with Virtual Voice Coil, Part 1

This first article in a two-part series details the design and simulation possibilities of the SpeakerLAB software for speaker designers. In this article, the author explores its Virtual Voice Coil (VVC) module, for designing voice coils and predicting audio transducer parameters with maximum accuracy. The detailed analysis also explains one of the keys that allow the accuracy of VVC prediction, given by a complete temperature management involved in loudspeaker calculus.

SVS Launches Flagship 17-Ultra R|Evolution Subwoofers with Digital Control

October 7, 2024 by Alfred Moody

SVS Launches Flagship 17-Ultra R|Evolution Subwoofers with Digital Control

SVS, a name that everyone immediately identifies with powerful subwoofers, launched its new flagship 17-Ultra R|Evolution subwoofer series. Previewed at CEDIA 2024 in Denver, the two new 17-Ultra subwoofer designs represent a ground-up design approach for the Ohio-based audio brand, including a custom 17" high-excursion woofer with dual voice coil windings, a digital processing stage, and full room correction optimization through a smartphone app.

Voice Coil August 2024 Is Ready for You!

July 26, 2024 by audioXpress Staff

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 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 Coils, and there's an updated directory of 2024 Voice Coil winders, converters, lead out wire, and more. On Test Bench, Vance Dickason assesses the new B&C Speakers DH450-8 1" compression driver and the Stereo Integrity M3 3.5" carbon midrange driver.

Loudspeaker Knowledge and Innovation in Voice Coil April 2024

March 28, 2024 by audioXpress Staff

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 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.

Speaker Design and Triple Test Bench in Voice Coil August 2023

July 26, 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.

Beyma Introduces Innovative Solutions for Next-Generation Compression Drivers

February 6, 2023 by Joao Martins

Beyma Introduces Innovative Solutions for Next-Generation Compression Drivers

The brand new generation of Beyma compression drivers originates from an intense R&D effort and two patent-pending innovations. Unveiled at ISE 2013, Beyma's four base designs with 2 throat sizes, 4 voice coil diameters, 3 diaphragm materials and 2 magnet types, allow for a total of 12 new models (for now). Scheduled to be launched progressively during 2023, these new Beyma state-of-the-art high frequency transducers deliver new exciting possibilities for speaker designs.

Loudspeaker Manufacturing, Patents, and Driver Characterizations in Voice Coil August 2022

July 27, 2022 by audioXpress Staff

Loudspeaker Manufacturing, Patents, and Driver Characterizations in Voice Coil August 2022

August is traditionally the voice-coil-focused issue of Voice Coil, offering an always-valuable perspective on the state of the loudspeaker industry. In this issue, Mike Klasco discusses Audio Manufacturing in The Philippines, James Croft explores another key Mayht patent, and Vance Dickason measures and characterizes the B&C Speakers DE111-8 1" compression driver, and the MD60N-6 2.5” Dome Midrange from SB Acoustics' Satori line.

Raising the Bar for Loudspeaker Knowledge in Voice Coil August 2021

July 23, 2021 by audioXpress Staff

Raising the Bar for Loudspeaker Knowledge in Voice Coil August 2021

It's time for Loudspeaker News and Developments, unique technology Spotlights, valuable industry Directories, great speaker patent reviews, and Vance Dickason's speaker driver characterizations in Test Bench. This month, Bruno Putzeys and Lars Risbo write about their speaker research for Purifi Audio, James Croft reviews an acoustic low-pass filter patent awarded to Bujeon, and Vance Dickason tests the 5CXN44 coaxial driver from B&C Speakers. This edition features updated directories of Voice Coil and Magnet Vendors and Distributors.

Voice Coils: A Tutorial

October 15, 2020 by Mike Klasco

Voice Coils: A Tutorial

Mike Klasco (Menlo Scientific) provides an overview on how to specify or manufacture voice coils. In this reference article, Mike Klasco recaps on voice coil basics, bobbin materials and sizes, collars, winding techniques, configurations, tips and tricks and wire types and considerations - a valuable, concise compendium of unique knowledge. This article was originally published in Voice Coil, August 2020.

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