All items tagged with amplifiers (162)
ICEpower – An Audio Company That Also Does Amplifiers
August 28, 2024 by Jan Didden

ICEpower – An Audio Company That Also Does Amplifiers

Europe’s Nordic countries have long been the birthplace for high-quality and innovative audio products, particularly excelling at speakers and amplifiers. Located near Copenhagen, ICEpower has traditionally been known as a purveyor of high-performance Class-D amplifiers and associated switch-mode power supplies. The company continues to provide innovative Class-D solutions today, but its scope is now much broader than that, as this report discloses.
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You Can DIY!: A High-Performance 60-Watt Class A Amplifier - Part 2 Power Supply and Measurements
August 13, 2024 by Andrew C. Russell

You Can DIY!: A High-Performance 60-Watt Class A Amplifier - Part 2 Power Supply and Measurements

The continuation of this 60-Watt Class A amplifier project, named the ax-Amplifier, this design uses Augmented Feedback Error Correction (AFEC) to achieve ultra-low distortion and improve key audio performance parameters without adding too much complexity and cost. The first part of this article described the amplifier design in detail. This second part details the power supply system and conclusion with measurements. This article was originally published in audioXpress, May 2024.
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You Can DIY!: A High-Performance 60-Watt Class A Amplifier - Part 1 Amplifier Design
August 7, 2024 by Andrew C. Russell

You Can DIY!: A High-Performance 60-Watt Class A Amplifier - Part 1 Amplifier Design

From the experienced hands of Andrew C. Russell, of Hifisonix fame, comes the ax-Amplifier, a Class A design that uses Augmented Feedback Error Correction (AFEC) to achieve ultra-low distortion and improve key audio performance parameters without adding too much complexity and cost. Published in two parts, the first article addresses the amplifier design in detail, with Part 2 detailing the power supply system and conclusion with measurements. This article was originally published in audioXpress, April 2024.
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MIPI Alliance Announces New Soundwire Device Class for Audio (SDCA) Specification
July 10, 2024 by Cristina Costa

MIPI Alliance Announces New Soundwire Device Class for Audio (SDCA) Specification

The MIPI Alliance, the international organization that develops interface specifications for mobile and mobile-influenced industries, announced the release of MIPI SoundWire Device Class for Audio (MIPI SDCA) v1.0. The new specification enables standardized mechanisms to interact with host-controllable audio devices, such as microphones and amplifiers, connected via a MIPI SoundWire interface. This significantly simplifies and streamlines platform development.
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Theory Introduces Next Generation of DLC Loudspeaker Controllers
June 12, 2024 by Joao Martins

Theory Introduces Next Generation of DLC Loudspeaker Controllers

Theory Professional announced an all new DLC distributed loudspeaker controller platform. The three new models - DLC-250.4d, DLC-1500.4d, and DLC-250.8 - are ideal for residential or commercial installations, and offer between 4 and 8 channels of intelligent power, full DSP matrix, TCP/IP control through a wired connection, or directly via its on-board Wi-Fi access point. The DLC-250.4d and DLC-1500.4d models add Dante network audio and AES67 audio-over-IP compatibility.
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Cambridge Audio Introduces New CXA81 Mk II Integrated Stereo Amplifier
April 17, 2024 by audioXpress Staff

Cambridge Audio Introduces New CXA81 Mk II Integrated Stereo Amplifier

The new heart of the CX Series, the new CXA81 Mk II Integrated Stereo Amplifier from Cambridge Audio, enhances sound with new premium components within the Class AB amplification circuitry, delivering 80 Watts per channel to drive even the most demanding speakers. An ESS ES9018K2M Sabre 32 DAC delivers reference-level digital-to-analog conversion from the TOSLINK, Coaxial and USB digital inputs, while balanced XLR inputs ensure a premium connection to the new CXN100 Network Player.
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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.
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ICEpower Unveils Cutting-Edge ICC5 Audio IC for High-Performance Class D Amplifiers
November 13, 2023 by Jan Didden

ICEpower Unveils Cutting-Edge ICC5 Audio IC for High-Performance Class D Amplifiers

ICEpower A/S introduced the latest addition to its lineup of audio power solutions, the ICEpower ICC5. This audio integrated circuit (IC) boasts advanced technology, fast propagation delay, and support for up to a 220V supply voltage. As a high side and low side FET gate driver optimized for flexibility, the ICC5 enables high-fidelity sound with minimal noise and distortion, making it an ideal choice for reliable class D amplifier designs ranging from 25W to 4kW.
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Test Bench: The Stereo Integrity M25 mkII Surface-Mountable Tweeter
September 27, 2023 by Vance Dickason

Test Bench: The Stereo Integrity M25 mkII Surface-Mountable Tweeter

Founded in 2001, Stereo Integrity is an OEM speaker driver manufacturer from North Carolina that also designs its own range of hi-fi amplifiers, sold directly to consumers online. The company sent its M25 mkII high-end tweeter, which features a 25mm silk dome diaphragm and surround, a dual-magnet neodymium motor, a black anodized aluminum motor housing with a tuned rear chamber, two-layer CCAW wound voice coil, and a compact 50mm diameter face plate with a steel anodized grill. This article was originally published in Voice Coil, July 2023.
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Garmin Completes Acquisition of JL Audio
September 20, 2023 by audioXpress Staff

Garmin Completes Acquisition of JL Audio

As anticipated in early August 2023, Garmin announced it has completed the acquisition of JL Audio, the privately-held US company that designs and manufactures audio solutions including speakers, amplifiers, subwoofers and other audio components for marine, aftermarket automotive, powersports, home and RV applications. The acquisition was intended to add premium audio integration solution across a broad range of Garmin markets and products.
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