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Recent Audio Amplifier Articles

Audio Amplifiers

Audioholics Petition to Reopen FTC Final Amplifier Rule of 2024

— October 30, 2024 00:00

Audioholics Petition to Reopen FTC Final Amplifier Rule of 2024

Our petition urges the FTC to reconsider its August 2024 Amplifier Rule, which expands power output regulations to ALL audio products. The broad, retroactive scope and blanket approach risk industry disruption.

Audio Amplifiers

Switching Amplifiers: The Technology and the Issues

Dan Banquer — April 09, 2006 20:00

Switching Amplifiers: The Technology and the Issues

This article started because a good friend of mine dropped a Panasonic SA-XR50 switch-mode amplifier to me for some basic bench test. This article will NOT be a review of that unit, but an

Audio Amplifiers

Switching Amplifier (Class D) Basics

Bruno Putzeys — March 01, 2006 19:00

Switching Amplifier (Class D) Basics

Just today I read on an internet forum a post by a "hot" new manufacturer of class D amplifiers saying that "the only way to solve the interference problem is to put the amplifier in a completely

Audio Amplifiers

The All Channels Driven Amplifier Test Controversy

— September 20, 2004 19:00

The All Channels Driven Amplifier Test Controversy

There has been a lot of controversy on many of the Internet forums regarding power capability of receivers when driving multi-channel speaker systems. Some argue that when a receiver is rated at

Audio Amplifiers

Damping Factor: Effects On System Response

Dick Pierce — August 30, 2004 00:00

Damping Factor: Effects On System Response

Much ballyhoo surrounds the concept of "damping factor." It's been suggested that it accounts for the alleged "dramatic differences" in sound between tube and solid state amplifiers. The claim is

Audio Amplifiers

The Truth About Digital (Class D) Amplifiers

Bruno Putzeys — August 29, 2004 20:00

The Truth About Digital (Class D) Amplifiers

Firstly I'd like to point out that "digital amps" is a misnomer. There are two categories: Analog-controlled class D. Switching amplifiers…

Audio Amplifiers

Audio Amplifier Classes

— August 29, 2004 19:00

Audio Amplifier Classes

This is a brief article comparing the different classes of audio amplifiers. Class D vs Class AB and more types are discussed.