All items tagged with subwoofers (240)

Patent Review: Vertically and Horizontally Balanced Subwoofer

January 4, 2023 by James Croft

Patent Review: Vertically and Horizontally Balanced Subwoofer

The patent reviewed here was granted to inventors Robert G. Johnston (Amprior Ontario, CA), and Sanford M.Gross (Owings Mills, MD), respectively the head of engineering of GoldenEar Technology, and one of its co-founders. The patent describes a subwoofer with two drivers on each side plus one passive radiator facing up and one passive radiator facing down. The passive radiator facing down effectively couples acoustic energy at very low frequencies into the floor.

Servobass Demonstrates Motion Feedback Desktop Subwoofers and Other MFB Solutions at CES 2023

January 2, 2023 by Joao Martins

Servobass Demonstrates Motion Feedback Desktop Subwoofers and Other MFB Solutions at CES 2023

Servobass is the trade name for the products and technology designed by Zami Schwartzman, and which will be making its debut at CES 2023. The company will demonstrate its Motion Feedback Desktop Subwoofers, a new shallow "under the seat" MFB car subwoofer, and its ZRS-1 class-D plate amplifier, and is open to licensing opportunities. Servobass will be at ALTI Association Hospitality Suite at CES 2023, Lido 3101B - Level 3 of the Venetian Expo and Convention Center, and at the Menlo Scientific suite.

Brane Audio Debuts Brane X Portable Speaker with Built-in Subwoofer

January 2, 2023 by Alfred Moody

Brane Audio Debuts Brane X Portable Speaker with Built-in Subwoofer

Brane Audio, an audio company from Austin, Texas, is introducing a new portable speaker at CES 2023 which the company says is able to generate expanded low frequency response. The Brane X is the first speaker in its class to include a subwoofer, producing much more bass than comparable portable speakers thanks to the company's new Repel-Attract Driver (R.A.D.) that uses a novel "magnetic negative spring" supported by an axial magnetic bearing system. Brane Audio is offering private demos of its new speaker during CES.

Innovative Speakers and Headphone Drivers in Voice Coil January 2023

December 28, 2022 by audioXpress Staff

Innovative Speakers and Headphone Drivers in Voice Coil January 2023

For this first issue of 2023, Voice Coil compiled a set of valuable headphone and earphone driver vendor directories, updated with the latest factories. The remainder of this issue is centered on Test Bench characterizations of two very innovative drivers that Vance Dickason has received. The first one on the Test Bench was the PTT6.5M08-NFA-01 6.5" Midrange from Purifi Audio; The second driver was the already popular SW26DBAC76-4 10" shallow subwoofer from SB Acoustics.

R&D Stories: Motion Feedback Desktop Subwoofers for Nearfield Studio Monitors

October 26, 2022 by Zami Schwartzman

R&D Stories: Motion Feedback Desktop Subwoofers for Nearfield Studio Monitors

In this article, Zami Schwartzman shares his personal journey to design and perfect his own accelerometer-based motion feedback desktop subwoofers, including plate amplifiers with MFB control, crossover and voice coil thermal protection that can be matched with any low frequency MFB driver. The proof of concept demonstrated the ability to perfectly complement popular active nearfield monitors, mitigating the effects of room reflection. This article was originally published in audioXpress, September 2022.

Key Loudspeaker Updates for the Industry in Voice Coil October 2022

September 28, 2022 by audioXpress Staff

Key Loudspeaker Updates for the Industry in Voice Coil October 2022

In this edition of Voice Coil, Mike Klasco writes about Dr. Kurt Müller's 100-Year Anniversary, Mike Klasco and Nora Wong compiled an updated Integrated Electronics for Loudspeakers directory, and James Croft reviews an intriguing patent of a Vertically and Horizontally Balanced Subwoofer. For this issue's Test Bench, Vance Dickason focused his full attention on another innovative driver from Purifi Audio, this time the PTT5.25X04-NFA-01 5.25” Midbass Woofer.

Sonos Introduces Sub Mini Subwoofer for Smaller Rooms

September 14, 2022 by Alfred Moody

Sonos Introduces Sub Mini Subwoofer for Smaller Rooms

Essentially, Sonos' users have always been divided into two groups. Those who have a Sonos Sub (currently in its third generation) to expand Sonos speakers, and those who just have Sonos speakers. The sound impact is substantially higher for those who have the Sub, helping to reinforce their emotional connection with the brand. Now, Sonos announced the Sonos Sub Mini, a more compact wireless subwoofer that should appeal to those users with smaller home or smaller budgets

Haniwa Audio to Debut Time-Aligned Subwoofer System at the New York Audio Show

September 9, 2022 by Joao Martins

Haniwa Audio to Debut Time-Aligned Subwoofer System at the New York Audio Show

Haniwa Audio will be unveiling its latest full range speaker system, including what the Japanese company calls a time-aligned stereo "super subwoofer" extension, for the first time at the New York Audio Show (9-10 September). The company is famous for its single driver Haniwa HSP01 speakers and integrated amplifier/DSP, which together ensure simultaneous phase and frequency control to deliver "the world’s most accurate music reproduction system." The addition of the new "super subwoofers" now extends the system's response.

audioXpress September 2022 Speaker Focus Issue Now Available

August 11, 2022 by audioXpress Staff

audioXpress September 2022 Speaker Focus Issue Now Available

The September 2022 Speaker Focus issue of audioXpress discusses speaker design and testing tools and features two fascinating speaker R&D stories on the Holoplot X1 Matrix Array and Motion Feedback Desktop Subwoofers for nearfield studio application. Geoff Hill explains the latest IEC loudspeaker measurement standards, Roger Shively reports from the AES 2022 Automotive Audio conference, Christoph Sladeczek writes about Audio Objects as Platform Technology in Vehicles, and much more.

JBL Professional Debuts the JBL VTX A6 Line Array Element and B15 Compact Subwoofer

July 26, 2022 by Alfred Moody

JBL Professional Debuts the JBL VTX A6 Line Array Element and B15 Compact Subwoofer

Harman Professional Solutions introduced the newest members of JBL Professional’s flagship VTX line array series, the VTX A6 subcompact dual 6.5-inch passive line array element and the B15 compact, arrayable 15-inch subwoofer. The A6 and B15 bring JBL’s top acoustic technologies to compact form factors for small- to medium-size touring and fixed installations, providing versatile solutions for production companies, touring acts, rental houses, theaters, houses of worship and any space-critical applications.

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