All items tagged with power amplifiers (35)

Practical Test & Measurement Testing Power Amplifiers

June 17, 2025 by Adam Liberman

Practical Test & Measurement Testing Power Amplifiers

Power amplifiers present a unique set of testing challenges that are usually not encountered with digital or low-level analog circuits, as they must supply significant current as well as voltage to their loads. This comprehensive checklist on what is needed for testing power amplifiers covers the fundamental measurements, with specifics on how to best accomplish the tests using Audio Precision's APx series audio analyzers and APx500 measurement software.

Cambridge Audio Launches MXW70 Hypex NCORE-Driven Power Amp

June 13, 2025 by audioXpress Staff

Cambridge Audio Launches MXW70 Hypex NCORE-Driven Power Amp

Cambridge Audio announced the launch of a compact Class-D stereo power amplifier that extends its half-width MX Series and is an ideal companion to the MXN10 music streamer with digital pre-amp mode. The new NCORE-driven MXW70 delivers an impressive 70 Watts (at 8 Ohms) per channel, and features RCA and XLR inputs for versatile connectivity. Users can also turn the amplifier from stereo to mono mode with a simple switch, unlocking 250 Watts of bridgeable power.

ICEpower Updates Existing Amplifier Modules with New Technology

March 25, 2025 by Joao Martins

ICEpower Updates Existing Amplifier Modules with New Technology

The Danish purveyor of high-performance Class-D amplifiers, ICEpower, announced it will be progressively updating its amplifier modules with the full benefits of its new Conductor topology and integrated gate driver ICC5 chips, combined with refined design and functionality. The integration, ICEpower says, takes audio quality to the next level and redefines the company’s already renowned amplifier technology. First products to receive the updates are the 50ASX2, 125ASX2, 700AS1, and 700AS2 modules.

Powersoft Introduces New Amplifier Platform for Touring Market

March 10, 2025 by Joao Martins

Powersoft Introduces New Amplifier Platform for Touring Market

A few days past announcing the ultra-compact Nota PoE amplifier, its smallest product ever, and from the K-Array acquisition announcement, Powersoft announced Unica T, a new touring amplifier platform, designed for massive scale, power, and reliability, while optimizing space and ensuring seamless performance for touring professionals. The Italian manufacturer intends to expand its Class-D solutions on the market that originally projected the Powersoft brand globally.

Orchard Audio Unveils Valencia Balanced Headphone Amplifier

February 14, 2025 by audioXpress Staff

Orchard Audio Unveils Valencia Balanced Headphone Amplifier

Orchard Audio is expanding into the headphone market with the launch of Valencia, a class AB, balanced headphone power amplifier. Leo Ayzenshtat, the mind behind all the brand's products, describes Valencia as an ultra-high-performance design, able to drive the most demanding headphones while remaining clean enough to support highly sensitive ones. The project also represents Leo's first collaboration with experienced headphone reviewer Steven Ciofalo.

Expand Your Audio Development Skills with audioXpress March 2025

February 12, 2025 by audioXpress Staff

Expand Your Audio Development Skills with audioXpress March 2025

audioXpress March 2025, focused on Test and Measurement and audio electronics, explains how to test Power Amplifiers, and how to measure HDMI Audio. Explore the possibilities of George Ntanavaras' SL-100 Sound Level Adjuster and Tom Perazella's Reinforced Speaker Protection solution. Read the interview with Mike Engelhardt, explaining everything about audio THD with QPSICE circuit simulation. Brian Lowe concludes its article on Op-Amp for Phono Preamps, and much more.

TEAC Launches Reference 500 Series Stereo Power Amplifier with Hypex NCOREx Technology

February 12, 2025 by Joao Martins

TEAC Launches Reference 500 Series Stereo Power Amplifier with Hypex NCOREx Technology

TEAC from Japan continues to expand its Reference 500 series of compact home audio components, now with the announcement of the AP-507 stereo power amplifier, based on a custom module using the latest Hypex NCOREx technology. Available in black and silver finishes, the design of the AP-507 is a clear nod to the classic hifi components from Japan with its large illuminated level meters, even if reduced to the compact dimensions of a TEAC 500 Series component.

R&D Stories: The Neurochrome Story

July 31, 2024 by Tom Christiansen

R&D Stories: The Neurochrome Story

A personal account of a professional journey that led to the creation of Neurochrome, a company successfully serving audio enthusiasts all over the world with a complete range of power amplifiers kits and circuits, all well-engineered, thoroughly tested, and well-documented. Neurochrome is a small, highly dedicated audio company, providing inspiration, or perhaps a forewarning, for those wishing to venture into the audio business.

Schiit Audio Introduces Aegir 2 Speaker Power Amp

March 14, 2024 by audioXpress Staff

Schiit Audio Introduces Aegir 2 Speaker Power Amp

Schiit Audio introduced the second generation of its Aegir speaker power amp, Aegir 2, bringing its mixed voltage and current feedback Halo topology to a speaker amp for the first time. Schiit found that this topology provides significant enhancements to the original Aegir’s performance, now combined with the company's Continuity output stage which enables higher power output, less heat, and lower noise floor.

McIntosh Introduces New MC2.1KW Monoblock Power Amplifier

January 23, 2024 by audioXpress Staff

McIntosh Introduces New MC2.1KW Monoblock Power Amplifier

To kick off its 75th anniversary celebrations during the year 2024, McIntosh announced the launch of its new MC2.1KW Monoblock Power Amplifier, one of the brand’s most powerful amplifiers to date. The colossal tri-chassis possesses the ability to deliver 2,000 Watts of high-end power per channel, setting a new standard for luxury home audio power and amplification. And the design is not only a McIntosh - it is jewelry-class.

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