All items tagged with power amplifiers (27)

You Can DIY! The DH-220C MOSFET Power Amplifier - Part 1 The Circuit

December 8, 2021 by Bob Cordell and Rick Savas

You Can DIY! The DH-220C MOSFET Power Amplifier - Part 1 The Circuit

This article offers the first serving of an amazing DIY project from amplifier experts Bob Cordell and Rick Savas with an upgrade for the legendary Hafler DH-220 lateral MOSFET power amplifier. The design is implemented on two PCBs, one as a drop-in replacement for the original Hafler circuit board and the other as a new board that consolidates all of the output stage wiring and components within the heatsink and under the main PCB. This article was originally published in audioXpress, July 2021

Fresh From the Bench: Parasound Halo JC 5 Stereo Power Amplifier - The Measurements

October 27, 2021 by Stuart Yaniger

Fresh From the Bench: Parasound Halo JC 5 Stereo Power Amplifier - The Measurements

Oliver A. Masciarotte was looking for an amplifier that he could respect without emptying his bank account. Richard Schram offered to send the Parasound JC 5, his company’s largest stereo power amplifier for evaluation. Anticipating the fun of enjoying the pleasures of this John Curl design, Oliver accepted the challenge, and Stuart Yaniger tested the JC 5 to confirm the amplifier’s merits with actual measurements. This article was originally published in audioXpress, September 2021.

Fresh From the Bench: Parasound Halo JC 5 Stereo Power Amplifier - Traditional Goodness

October 27, 2021 by Oliver A.Masciarotte

Fresh From the Bench: Parasound Halo JC 5 Stereo Power Amplifier - Traditional Goodness

Oliver Masciarotte was looking for an amplifier that he could respect without emptying his bank account. Richard Schram offered to send the Parasound JC 5, his company’s largest stereo power amplifier for evaluation. Anticipating the fun of enjoying the pleasures of this John Curl design, Oliver accepted the challenge, and Stuart Yaniger tested the JC 5 to confirm the amplifier’s merits with actual measurements. This article was originally published in audioXpress, September 2021.

Diodes Introduces High-Efficiency Class-D Stereo Audio Amplifier Device

October 13, 2021 by audioXpress Staff

Diodes Introduces High-Efficiency Class-D Stereo Audio Amplifier Device

Diodes Incorporated introduced the PAM8965 Class-D stereo audio power amplifier with an integrated synchronous boost converter, and external audio feedback pins, which allow for customization of sound. This high-efficiency device is targeted for use in AI-enabled, portable, wireless speaker systems, and portable musical instruments - where elevated output power, extended battery life, and compact construction are all key requirements.

audioXpress August 2021 Focus on Acoustics Issue Now Available

July 13, 2021 by audioXpress Staff

audioXpress August 2021 Focus on Acoustics Issue Now Available

The August 2021 edition of audioXpress is now available in print and online. Read our Acoustical Solutions Round-Up 2021 and enjoy the DIY perspectives from Ethan Winer and Thomas Perazella on dealing with room measurements and treatments. David Logvin reviews Audio Precision's APx517B Acoustic Audio Analyzer, while Richard Honeycutt reflects on acoustic challenges for online and in-person meetings. And we conclude the DH-220C MOSFET Power Amplifier article by Bob Cordell and Rick Savas, and the VSCS Amplifier project in this edition.

Orchard Audio Launches New Starkrimson 500W GaN Amplifier Modules

May 20, 2021 by audioXpress Staff

Orchard Audio Launches New Starkrimson 500W GaN Amplifier Modules

Orchard Audio, the innovative audio venture created by Leo Ayzenshtat, expanded its catalog of products for audio enthusiasts and integrators with the launch of Starkrimson Ultra Amp Modules. These high performance audio power amplifier modules utilizing gallium nitride (GaN) MOSFET transistors, expand the highly praised Starkrimson amplification line and are available as completed modules or unpopulated PCBs.

NXP Unveils New IW62X Family of 2x2 Wi-Fi 6 + Bluetooth Devices for Advanced Audio Applications and Connected Designs

October 9, 2020 by audioXpress Staff

NXP Unveils New IW62X Family of 2x2 Wi-Fi 6 + Bluetooth Devices for Advanced Audio Applications and Connected Designs

NXP Semiconductors announced its latest family of 2x2 Wi-Fi 6 (802.11ax) Dual Band + Bluetooth/BLE-Audio devices, designed to drive a new phase of connectivity innovation for all sorts of advanced audio, gaming and connected devices. Enabling the world’s first Wi-Fi 6 enabled gaming console (the new PlayStation 5), NXP’s optimized IW62X family of products will provide increased capacity, efficiency and performance for next-generation connectivity solutions including wireless speakers and all sorts of smart devices.

Amphion Announces Major Upgrade to FlexBase25 with New 2x700W Power Amplifier

May 19, 2020 by audioXpress Staff

Amphion Announces Major Upgrade to FlexBase25 with New 2x700W Power Amplifier

Finnish loudspeaker manufacturer Amphion announced a significant upgrade to their flagship stereo bass extension and management system FlexBase25, originally announced in 2019. Boasting wide adjustment capabilities, a separate LFE-channel input, and 1400-watts of power, FlexBase25 gives users the ability to precisely sculpt the bass response of their monitor systems, making it an indispensable tool for the ever-changing low-end landscape of modern music production. The improved FlexBase25 is shipping now and is available for $4750 USD.

New Global Power Amplifier Market Analysis by Futuresource

February 4, 2020 by Futuresource Consulting

New Global Power Amplifier Market Analysis by Futuresource

Driven by consumer demand for bigger and better audio-visual experiences, the power amp market is on track to achieve a worldwide value of $785 million in 2020, according to a new industry report from Futuresource Consulting. The UK-based market research firm announced a new report focusing on the Professional Power Amplifiers category, following the success of the previous Loudspeakers and Microphones market reports.

Book Review: A Look Inside Bob Cordell’s Designing Audio Power Amplifiers, 2nd Edition

December 18, 2019 by Jan Didden

Book Review: A Look Inside Bob Cordell’s Designing Audio Power Amplifiers, 2nd Edition

We know many of our readers will enjoy this extended book review by our technical editor, Jan Didden, about Bob Cordell’s Designing Audio Power Amplifiers, 2nd Edition. When Cordell published his long-awaited first edition of Audio Power Amplifier Design, it was hailed as a significant addition on the subject. Reactions of readers made it clear that Cordell hit his mark, and in this article, Didden explains why the long-awaited second edition is an essential buy. This review was originally published in audioXpress, October 2019.

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