All items tagged with loudspeakers (190)

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.

April 7, 2025 by Joao Martins

Victrola Now Owns Legendary Audio Brand KLH Audio

Victrola, a leading brand in audio since 1906, and the original manufacturer of the first in-home record player in the US, is now connected to another legendary American brand: KLH Audio. A revered name in high-fidelity loudspeakers, KLH was the company established in 1957 by audio pioneers Henry Kloss, Malcolm S. Low, and Josef Anton Hofmann. Today, Victrola is actually Innovative Technology Electronics, LLC, a Denver-based company that carries on the venerable legacy of the brand in modern turntables, and which now intends to do the same with KLH.

Klippel Three-Day Lecture 2025 Focused on Sound Quality of Audio Systems - Modeling, Measurement & Control

February 19, 2025 by audioXpress Staff

Klippel Three-Day Lecture 2025 Focused on Sound Quality of Audio Systems - Modeling, Measurement & Control

The increasingly popular, annual three-day lecture event by Wolfgang Klippel returns in March 17-19, 2025. Taking place once again at the Technical University of Dresden, Germany, this is a valuable opportunity to hear Dr. Wolfgang Klippel, professor at the Institute of Acoustics and Speech Communication, providing deep insights into measurement and diagnostic techniques used in loudspeaker design.

Eliminating Speaker Doppler Distortion

February 5, 2025 by Reinhold Lutz

Eliminating Speaker Doppler Distortion

Because of the movement of its membrane, even a perfectly linear loudspeaker produces Doppler distortion, a.k.a. Phase Modulation, and second distortions from the Nonlinear Amplitude Modulation. This article, originally published in audioXpress, October 2024, characterizes and shows how to eliminate Doppler distortion for a good listening experience.

Clean Earth Magnets Manufactured in Minnesota

November 7, 2024 by Mike Klasco

Clean Earth Magnets Manufactured in Minnesota

Mike Klasco writes about Niron Magnetics' first commercial pilot plant in Minnesota. The opening of this 70,000 square-foot Minneapolis facility took place in October 2024 and is a key milestone in Niron Magnetics's path to scaled production of its Clean Earth Magnet technology and the company’s ability to bridge the acute supply and demand gap for permanent magnets. A significant step forward in the company's mission to produce sustainable, rare-earth-free permanent magnets.

Eclipse Audio Updates FIR Designer and Adds Support for AFMG, Storm Audio, LabGruppen IPX and Audio Weaver

November 5, 2024 by audioXpress Staff

Eclipse Audio Updates FIR Designer and Adds Support for AFMG, Storm Audio, LabGruppen IPX and Audio Weaver

Eclipse Audio continues to expand its partnerships and software, allowing the use of FIR filtering in DSP-driven loudspeakers, for loudspeaker design, live tuning, and system integration. The company founded by Michael John in 2016 now announced that its FIR Designer M (multichannel) software now has capabilities to build up to 6-way presets. Like the single channel FIR Designer, FIR Designer M now also added new branded IIR modes and expanded support with more DSP tools.

The Loudspeaker Sourcing Show 2024 is Postponed

August 1, 2024 by audioXpress Staff

The Loudspeaker Sourcing Show 2024 is Postponed

Philip Richardson, Owner of Trueanalog Strictly OEM and Host of the Loudspeaker Sourcing Show announced that the 2024 edition of the show, scheduled to take place 16-18 October in Guangzhou, China will be postponed this year. In a message on social media, Richardson posted that "Due to unforeseen political climate, and limited travel to China from invited countries, the Loudspeaker Sourcing Show will be postponed this year. I'm deeply sorry for the inconvenience."

SPL Graph Data: Let’s Get Back to a Level Playing Field

July 24, 2024 by Tom James

SPL Graph Data: Let’s Get Back to a Level Playing Field

This excellent thought piece by loudspeaker industry veteran Tom James, addresses the often disregarded topic of speaker measurements and the corresponding variables of SPL Graph Data. In his short essay James explores the impact of ignoring or intentionally manipulating the rules established in the "Scales and Sizes for Plotting Frequency Characteristics and Polar Diagrams," defined in the IEC-602632 standard, originally from 1982 and updated in 2020.

JBL Reimagines the Affordable Home Theater Experience

July 19, 2024 by Alfred Moody

JBL Reimagines the Affordable Home Theater Experience

Previewed earlier this year, JBL launched its new JBL Modern Audio (MA) AV Receivers and Stage 2 Loudspeakers – high-performance home theater and hifi solutions for the music and movie enthusiasts. This new range of JBL-branded products are intended to meet growing demand for home systems that are simple to install, connect, and upgrade. The concept is to offer a unified and cohesive system that combines simplicity, design, quality, and scalability – all at an affordable price.

Loudspeaker Bass Reflex Alignments

June 5, 2024 by Claus Futtrup

Loudspeaker Bass Reflex Alignments

The use of standard filter alignments represents a foundational concept in the loudspeaker industry, with an impact nearly as significant as the invention of the electro-dynamic loudspeaker principle itself. As one of the creators of Speakerbench, a web-based speaker design tool, in collaboration with Jeff Candy, Claus Futtrup is in a unique position to discuss the evolution of enclosure designs based on this electrical filter theory, including the concept of an alignment chart.

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