All items tagged with loudspeakers (189)

January 13, 2022 by audioXpress Staff

Bang & Olufsen Offers Beolink Software Update That Connects Past With Present and Future Multiroom Products

Bang & Olufsen announced an automatic software update to its new generation of home speakers that ensures multiroom compatibility between products launched in the last 40 years. From Bang & Olufsen’s iconic loudspeakers, music systems and turntables of the 1980s to its modern wireless speakers, the new update to Beolink makes a generation of products across decades work seamlessly together, showcasing Bang & Olufsen’s commitment to longevity.

January 3, 2022 by James Croft

Patent Review: Loudspeaker Having a Passive Radiator US9426548B2

This article discusses a very interesting design and patent granted in August 2015 to Gary A. Rayner and James C. Larsen, as the inventors, on behalf of Treefrong Developments, from San Diego, CA. The patent abstract details a loudspeaker using one or more active drivers, with a passive radiator connected to each driver and dedicated processors and amplifier per channel - a slightly different approach to a familiar concept. This article was originally published in Voice Coil, November 2015.

January 3, 2022 by Geoff Hill

R&D Stories: The Tetrahedral Test Chamber Story (Part 2) - Consistent Loudspeaker Measurements

In this article Geoff Hill completes the Tetrahedral Test Chamber story, a concept born out of necessity, simple wavelength theory and Beranek's wedges, measurement theory, and building upon experience gained in designing chambers in Europe, US, and Asia. These chambers are now in use throughout the world, providing consistent, reliable, and accurate measurements of loudspeaker transducers and loudspeaker systems. This article was originally published in audioXpress, October 2021.

December 29, 2021 by Geoff Hill

R&D Stories: The Tetrahedral Test Chamber Story (Part 1) - Recognizing the Need for Consistent Measurements

This article revisits the story of the development of the Tetrahedral Test Chamber (TTC), by Geoff Hill, loudspeaker engineer, author, and inventor, in an effort to solve the longstanding problem of making consistent loudspeaker measurements. This innovative loudspeaker test chamber is now defined in international standards and in use throughout the world, scalable to any size of loudspeaker driver. This article was originally published in audioXpress, September 2021.

December 20, 2021 by audioXpress Staff

Fulcrum Acoustic Releases DF4 Dual High-Frequency Horn Loudspeaker

Fulcrum Acoustic continues to create new innovative loudspeakers at an impressive pace. Now, the Massachusetts-based manufacturers has released the DF4 Dual High-Frequency Horn, a spot fill loudspeaker aimed at supplemental high frequency coverage for areas shaded by obstructions. Dual four inch diaphragm high frequency compression drivers provide substantial output suitable for mid to long throw applications. And the new DF443 is particularly effective in applications where supplemental HF coverage may be required due to occlusion from the primary loudspeakers by venue obstructions.

November 18, 2021 by audioXpress Staff

Bowers & Wilkins Introduces 702 and 705 Signature Speakers in Midnight Blue Metallic Finish

Bowers & Wilkins has launched two new versions of its 705 Signature stand-mount and 702 Signature floor-standing loudspeakers. Available in stunning Midnight Blue Metallic paint, the 705 Signature and 702 Signature models feature the same class-leading combination of exceptional drive unit design and carefully upgraded crossover components as the existing Datuk Gloss-finished 700 Series Signature models, which remain available to purchase.

November 17, 2021 by Claus Futtrup and Jeff Candy

Parameter Estimation and Box Simulation with Speakerbench (Part 2) - Introducing Speakerbench

In the first part of this work, the authors discussed the difficulties in estimating cabinet losses using the classical Thiele-Small framework, and proposed a solution using an advanced transducer model. In this second article, the authors detail how their Speakerbench web-app offers an accurate and practical approach to this problem, and demonstrate how users will be able to easily and accurately determine the best suitable box volume for a loudspeaker system. This article was originally published in audioXpress, September 2021.

November 17, 2021 by Vance Dickason

OEM DSP Active Line Level Crossovers from Danville Signal

The advantages of active DSP crossovers are long recognized and a majority (about 90%) of today's professional audio loudspeakers and studio monitors are powered loudspeakers using also some kind of integrated DSP. Based in Minneapolis, MN, Danville Signal Processing has long been supplying high-performance DSP crossovers and DSP modules to the OEM market. In this article, Vance Dickason writes about the range of DSP Active Line Level Crossovers available from the company. This article was originally published in Voice Coil, September 2021.

November 15, 2021 by audioXpress Staff

Sonus faber Announces the Acquisition of the De Santi Woodworking Factory

Sonus faber announced the acquisition of the De Santi woodworking factory in San Martino di Lupari, establishing the facility as the official woodworking department within the company. Sonus faber began working with Luciano De Santi and his factory in 1986, bonded by a shared passion for Italian heritage and craftsmanship. The two companies have been partners and collaborators for nearly four decades, building loudspeakers known around the world for their quality and performance.

November 11, 2021 by audioXpress Staff

Meridian Unveils Next Generation DSP8000 XE Digital Active Loudspeakers

Meridian Audio has launched its new flagship loudspeaker, the DSP8000 XE, announcing major advances in platform design, audio engineering and performance for the company’s DSP digital active loudspeakers. Within the familiar shape of Meridian's high-end loudspeakers, the new DSP8000 XE combines a 5mm beryllium dome with silver voice-coil tweeter plus one midrange driver, and 6 long-throw woofers, in a fully integrated design with analog balanced and digital audio inputs, plus USB (Type C) supporting up to 24-bit/384kHz.

Bang & Olufsen Offers Beolink Software Update That Connects Past With Present and Future Multiroom Products

Patent Review: Loudspeaker Having a Passive Radiator US9426548B2

R&D Stories: The Tetrahedral Test Chamber Story (Part 2) - Consistent Loudspeaker Measurements

R&D Stories: The Tetrahedral Test Chamber Story (Part 1) - Recognizing the Need for Consistent Measurements​

Fulcrum Acoustic Releases DF4 Dual High-Frequency Horn Loudspeaker

Bowers & Wilkins Introduces 702 and 705 Signature Speakers in Midnight Blue Metallic Finish

Parameter Estimation and Box Simulation with Speakerbench (Part 2) - Introducing Speakerbench

OEM DSP Active Line Level Crossovers from Danville Signal

Sonus faber Announces the Acquisition of the De Santi Woodworking Factory

Meridian Unveils Next Generation DSP8000 XE Digital Active Loudspeakers

R&D Stories: The Tetrahedral Test Chamber Story (Part 1) - Recognizing the Need for Consistent Measurements