Recent Audio Amplifier Articles
Amplifier Damping Factor Explained: Why This Spec Doesn’t Tell the Whole Story
Our amplifier damping factor guide explains output impedance, speaker control, frequency response and load variance—and why a single damping factor spec doesn’t tell the whole story.
10 Things about Audio Amplifiers You've Always Wanted to Know
Alan Lofft, Axiom Audio's Resident Expert, took a series of the most commonly asked questions he received about amplifiers, and transformed his answers into an informative editorial. In this article …
The All Channels Driven (ACD) Amplifier Test
This article explores the All Channels Driven power test popularized by some print magazines and manufacturers. It discusses its relevancy and real world implications.
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 …
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 …
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 …
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 Amplifier Classes
This is a brief article comparing the different classes of audio amplifiers. Class D vs Class AB and more types are discussed.
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