All items tagged with plate amplifiers (10)

Orchard Audio Previews Upcoming Range of Starkrimson Plate Amplifiers

September 25, 2025 by Joao Martins

Orchard Audio Previews Upcoming Range of Starkrimson Plate Amplifiers

Orchard Audio, in collaboration with Soundfield Audio, a speaker company from Tampa, Florida, has disclosed a first effort in a new product line for the company created by Leonid (Leo) Ayzenshtat. Leveraging the credits already gained from its acclaimed line of GaN-powered Starkrimson audio amplifiers and modules, Orchard Audio will launch a new 4-channel, 1200-watt plate amplifier with integrated DSP.

Speakers, Microspeakers, and Audio Quality in audioXpress October 2025

September 12, 2025 by audioXpress Staff

Speakers, Microspeakers, and Audio Quality in audioXpress October 2025

Read the report of the 2025 Ohio Speaker Design Competition, immediately followed by a comprehensive Market Update on MEMS Microspeakers. Next up, Steve Hutt and Roger Shively write about Audio System Variance in vehicles, and Thomas Huber and Christoph Apel explain how StreamUnlimited’s StreamAmp Platform can make Speaker Designs Active, Networked, and Connected. Magnus Schäfer (HEAD acoustics) discusses a new MDAQS approach for Cars and Headphones, and Estefanía Cano reviews the Nugen Audio DialogCheck. And much more.

Interview: Class-D The Hypex Way - An Interview with Jan-Willem Winters

September 12, 2024 by Ward Maas

Interview: Class-D The Hypex Way - An Interview with Jan-Willem Winters

Recognized as one of the firms that pioneered Class-D amplification, today Hypex is an established manufacturer and OEM supplier. Jan-Willem Winters is the CEO leading the strategy behind the expansion that made Hypex one of the major players in the market for high-quality Class-D amplifiers. He started in R&D in 2010, and loves talking about audio amplification.

R&D Stories: Motion Feedback for Active Desktop Subwoofers

December 8, 2023 by Zami Schwartzman

R&D Stories: Motion Feedback for Active Desktop Subwoofers

Zami Schwartzman, the founder of Servobass, shares his journey into the application of Motion Feedback (MFB) methods for active subwoofers. He explores passive and active bass enhancement methods and how Servobass arrived at an optimized design using MFB techniques to achieve highly performing active subwoofers in desktop and compact sizes. A solution that is now available to be licensed by the industry. This article was originally published in audioXpress, November 2023.

The Latest in Loudspeaker Knowledge and Developments in Voice Coil October 2023

September 29, 2023 by audioXpress Staff

The Latest in Loudspeaker Knowledge and Developments in Voice Coil October 2023

In the October 2023 issue of Voice Coil, James Croft reviews an active noise control enclosure system, and Mike Klasco and Nora Wong provide an updated directory of Integrated Electronics for Loudspeakers. Vance Dickason offers three different driver characterizations, starting with the AMT100H driver from Eighteen Sound. Next up, he tests an updated version of the popular TW030WA23/24 tweeter from Wavecor. And finally, measures the Scan-Speak D2008/2010, the revised version of the classic dome tweeter from the Danish brand.

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.

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.

Fresh From the Bench: Lepai LP40PA Mini Stereo Plate Amplifier

April 17, 2019 by David Logvin

Fresh From the Bench: Lepai LP40PA Mini Stereo Plate Amplifier

David Logvin explores the Lepai LP40PA ultra-compact amplifier, a versatile Class D common plate amp module with fully integrated Bluetooth 4.2 receiver and 3.5 mm stereo inputs, ideal for converting existing passive speakers into convenient portable and wireless units that can be placed anywhere. The Lepai LP40PA has plenty of power for a pair of bookshelf speakers as Logvin experimented. This article was originally published in audioXpress, January 2019.

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Welcome to 2019 and Start Strong with audioXpress!

December 11, 2018 by audioXpress Staff

Welcome to 2019 and Start Strong with audioXpress!

The January 2019 (CES) edition of audioXpress has arrived. Read our Microphone Market Update, addressing the latest cutting-edge microphone technologies, and learn how Zylia created its ZM-1 spherical microphone array. Also in this edition, Joe D’Appolito explains how to address the equalization of closed-box subwoofers, Hans W. Gierlich writes about testing Smart Home Devices, David Logvin reviews the Lepai LP40PA plate amplifier, and George Ntanavaras describes a stereo analog preamplifier DIY project. Oh, and read Erik Owen's unique take on Rocky Mountain Audio Fest (RMAF) 2018.

Parts Express Showcasing New Gear at InfoComm 2015

June 11, 2015 by audioXpress Staff

Parts Express Showcasing New Gear at InfoComm 2015

Parts Express will join thousands of professional audiovisual enthusiasts in Orlando, Florida June 16-19 for the annual InfoComm show at Booth #535. Parts Express will showcase a range of new products from Dayton Audio, Talent Sound & Lighting and Talos Security, among several other brands.