All items tagged with audio amplifiers (117)

Goodix Technology Launches Next Generation Smart Amplifier for Mobile Applications

April 8, 2024 by audioXpress Staff

Goodix Technology Launches Next Generation Smart Amplifier for Mobile Applications

Goodix Technology launched a new generation smart amplifier targeting mobile audio designs. The new TFA9865 device leverages a proprietary, fully digital architecture and advanced manufacturing processes to improve audio performance. With extremely compact dimensions of just 2.2x2.2mm², the TFA9865 audio amplifier establishes a benchmark for the audio industry, offering higher power efficiency, and enhanced sound volume with reduced noise.

A Look Inside Douglas Self’s "Small Signal Audio Design" 4th edition

April 3, 2024 by Jan Didden

A Look Inside Douglas Self’s "Small Signal Audio Design" 4th edition

Whether it is power amplifiers, vinyl reproduction preamplifiers, active crossover filters or, as in this case, small-signal circuits for a very wide range of applications, Douglas Self is one of those authors who consistently has produced reference works about technical audio. You may think that as a fourth edition, it would just be a refinement on the three editions that went before it but Self always adds new material and new insights to make it worthwhile to get this new book.

Powersoft Reveals Plans for New Headquarters in Florence, Italy

March 20, 2024 by audioXpress Staff

Powersoft Reveals Plans for New Headquarters in Florence, Italy

Powersoft, the audio amplification, signal processing and transducer systems specialist company from Florence, Italy, has announced plans for its new headquarters in the region. The building, an innovative design by renowned architect Alfonso Femia, will also host Powersoft's Human Audio Experience Center. The new headquarters, will centralize all the company's departments and will accommodate the projected increase in the size of the company's workforce.

You Can DIY! eDD - A Direct-Drive Amplifier for Electrostatic Speakers

February 21, 2024 by Jan Didden

You Can DIY! eDD - A Direct-Drive Amplifier for Electrostatic Speakers

This article details a lifetime project from audioXpress' technical editor Jan Didden. After a successful restoration project of a pair of precious ESL-63 Quad electrostatic speakers, he opted to design and build the eDD, a well-performing high voltage amplifier to directly drive electrostatic speakers. This challenging but successful DIY project with a design goal of 1500V RMS at 20mA RMS over the full audio band, took a while to complete but was a success. This article shares every step of the construction.

Monolithic Power Systems Acquires Axign

February 7, 2024 by Joao Martins

Monolithic Power Systems Acquires Axign

Monolithic Power Systems (MPS), a global company specializing in high-performance power solutions announced the acquisition of Axign B.V., the Netherlands-based fabless semiconductor startup that specializes in programmable multicore DSP (digital signal processors) and developed the innovative post-filter feedback loop technology for Class-D amplifiers with balanced feedback from the loudspeaker. An exciting development for the small Dutch company and for the audio industry.

Powersoft Expands Cloud Monitoring Capabilities and Unica Amplifier Line at ISE 2024

February 2, 2024 by audioXpress Staff

Powersoft Expands Cloud Monitoring Capabilities and Unica Amplifier Line at ISE 2024

At ISE 2024, Powersoft introduced Verso, a gateway device designed to connect current Powersoft products to its MyUniverso cloud platform. This way, the Italian manufacturer enables all its current products in the field to be connected and monitored from the cloud. And following on last year's introduction, Powersoft introduced two new versions of the Unica Series. The new Unica 1K8 and 5K4 feature lower power consumption without compromises.

Orchard Audio to Debut Two New Products at the 2024 Florida International Audio Expo

January 25, 2024 by audioXpress Staff

Orchard Audio to Debut Two New Products at the 2024 Florida International Audio Expo

Orchard Audio, the boutique audio company founded by Leonid (Leo) Ayzenshtat, will showcase two new products at the 2024 Florida Audio Expo. Expanding its popular range of ultra-high-performance DACs, streamers, and amplifiers will showcase new Premium models of the PecanPi+ Streamer with much improved specifications, and the Starkrimson Mono, a 150W gallium nitride (GaN) monoblock audio amplifier.

Hypex Introduces DSA254 Amplifier Module with NCOREx Technology

January 24, 2024 by audioXpress Staff

Hypex Introduces DSA254 Amplifier Module with NCOREx Technology

Expanding its OEM solutions catalog, the new DSA254 OEM is a cutting-edge audio amplifier module from Hypex Electronics, designed for flexibility and to transcend the boundaries of traditional loudspeaker systems. The new Hypex DSA254 leverages the company's latest NCOREx technology, launched with the NCx500 OEM module, which lowers the distortion and source impedance by a factor of two compared to the previous NCORE series.

Fresh From the Bench: Improving GaN with Digital Control

January 17, 2024 by Stuart Yaniger

Fresh From the Bench: Improving GaN with Digital Control

The AX5689 is an eight-channel audio amplifier controller IC with digital inputs and CMOS level PWM outputs, enabling high-order digital control loops with post-filter feedback. This article, originally published in audioXpress, December 2023, reviews the Axign and GaN Systems Class-D audio amplifier reference design board, intended to demonstrate the benefits of Axign's digital controllers and its unique approach.

New Book by Bob Cordell: Designing Audio Circuits and Systems

January 3, 2024 by Jan Didden

New Book by Bob Cordell: Designing Audio Circuits and Systems

Designing Audio Circuits and Systems will have its 1st Edition published in April 2024, and advanced copies are being sent to reviewers, which includes audioXpress. Bob Cordell, wrote this new book as a comprehensive guide to audio circuits and systems design, beginning with analog audio basics, all the way through to in-depth design techniques for home and professional audio preamps, amplifiers, filters, equalizers, and even headphone amplifiers and DACs.

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