All items tagged with loudspeaker design (192)

Brane Audio RAD Speaker Technology Named in TIME’s Best Inventions of 2024

November 4, 2024 by Joao Martins

Brane Audio RAD Speaker Technology Named in TIME’s Best Inventions of 2024

As TIME revealed its annual list of the Best Inventions, which features 200 product, technologies and innovations changing our lives, there was a surprising mention of Brane Audio's Brane X portable speaker as a winner in the Entertainment & Gaming category. As audioXpress and Voice Coil readers learned earlier - and coincidently James Croft writes about in Voice Coil November 2024 - the company's Repel-Attract-Driver (RAD) that is part of the Brane X design, is indeed the first effective embodiment of a negative-spring woofer that bends Hofmann’s Iron Law.

The CD4 Bass Reflex Alignment

October 16, 2024 by Claus Futtrup

The CD4 Bass Reflex Alignment

In the fourth article from Claus Futtrup in his series about the invention, concept, and historical perspective of loudspeaker bass reflex alignments, he explores the Critically Damped Fourth-Order (CD4) bass reflex alignment. This alignment remains one of the least known and hasn't been discussed in literature related to loudspeaker design, even though it allows for interesting output properties. This article was originally published in Voice Coil, August 2024.

The IB4 Bass Reflex Alignment

October 9, 2024 by Claus Futtrup

The IB4 Bass Reflex Alignment

Before computers were broadly available for loudspeaker bass reflex box simulations, engineers relied on "Alignments" for their designs. Such box alignments are typically named after equivalent filter functions that the high-pass response of the box was aligned after — for example, Butterworth (B4) and Bessel (BL4) — to name a few. This article, the third in this series, explores the rarely talked about Inter-Order Butterworth (IB4) alignment, mentioned originally by Richard Small and Neville Thiele.

From Norway with Love: Arendal Sound Launches Flagship 1528 Speaker Series

October 8, 2024 by Joao Martins

From Norway with Love: Arendal Sound Launches Flagship 1528 Speaker Series

Norwegian company Arendal Sound launched its latest creation, targeting both stereo and home cinema applications. The new Arendal Sound 1528 speaker series redefines high-performance loudspeaker design at fair prices, merging sonic precision, striking power, and elegant aesthetics. A custom carbon-graphene mid-range driver joins an exclusive lithium magnesium tweeter in the biggest ever speakers from Arendal Sound.

September 20, 2024 by Joao Martins

Peter Lyngdorf and Purifi Audio Announce New Radiant Acoustics Speaker Brand

There's a new Danish hifi speaker brand in the market, part of the expanding audio universe created by Peter Lyngdorf, the founder of HiFi Klubben, and co-founder of Purifi Audio. The project was inspired by Henrik Reinholdtsen, the CEO of Nordic Hi-Fi, a direct-to-consumer business that is also part of the HiFi Klubben universe. Radiant Acoustics is now on the market with the Clarity 6.2 passive speaker, using a 6.5" Purifi woofer and a new AMT tweeter, with a custom-designed waveguide, developed by Lars Risbo.

The LR4 Bass Reflex Alignment

September 4, 2024 by Claus Futtrup

The LR4 Bass Reflex Alignment

Before computers were broadly available for loudspeaker bass reflex box simulations, engineers relied on "Alignments" for their designs - typically named after equivalent filter functions that the high-pass response of the box was aligned after — for example, Butterworth (B4) and Bessel (BL4) — to name a few. In this article, Claus Futtrup now focuses on the Linkwitz-Riley (LR4) Bass Reflex Alignment.

Computation of Bass Reflex Alignments

August 28, 2024 by Claus Futtrup

Computation of Bass Reflex Alignments

The first in a series of great value for speaker designers, this article provides an updated approach for the mathematical presentation of the various alignments, applicable to all computerized development tools. This is effectively an explanation of the code available in the Alignment Chart of the Speakerbench web application that Class Futtrup developed in collaboration with Jeff Candy.

Sun Audio Unveils Purified 4 Desktop Modular Speakers and Plug & Play System

August 5, 2024 by Joao Martins

Sun Audio Unveils Purified 4 Desktop Modular Speakers and Plug & Play System

Sun Audio has released a version of the Purified 4 modular speakers with a smaller tri-pod stand for desktop applications. The Purified 4 Desktop speakers are also available with a choice of Purifi Audio 4-inch woofers and BlieSMa 25mm tweeters. Every variant includes a crossover profile tuned for optimal tonal balance. Sun Audio is also now proposing an Hypex NCore integrated amplifier and DSP solution, designed in cooperation with Nord Acoustics, and which can also power a pair of Atohm 9 compact subwoofers.

Sonus faber Concertino G4 Speaker Introduces Innovative Unibody Cork Enclosure

July 29, 2024 by Joao Martins

Sonus faber Concertino G4 Speaker Introduces Innovative Unibody Cork Enclosure

Sonus faber launched its new Concertino G4 speaker during the Tokyo Audio Show 2024. The fourth edition of the brand’s iconic Concertino speaker expands on the its heritage of high-quality sound and Italian craftsmanship, with the innovation of a unique single structure cabinet made with recycled cork. The design maintains the iconic trapezoidal Concertino shape, with an exterior enhanced by trademark Sonus faber materials, such as leather, aluminum, brass, and walnut wood side panels.

MISCO Celebrates 75 Years of Speaker Manufacturing and Audio Innovation

July 9, 2024 by audioXpress Staff

MISCO Celebrates 75 Years of Speaker Manufacturing and Audio Innovation

MISCO Speaker Company is celebrating its 75th anniversary. Founded in 1949 as Minneapolis Speaker Company (MISCO) by World War II veteran, Cliff Digre and his wife, Bernice, MISCO has remained a family owned business, now helmed by the founders’ son, Dan Digre, who has driven the company forward through decades of technological advancements and market expansion. MISCO stands as a US-based, pioneering force in the audio industry, manufacturing speakers and audio systems for OEM customers across the globe.

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