“Let our rigorous testing and reviews be your guidelines to A/V equipment – not marketing slogans”
Facebook Youtube Twitter instagram pinterest

Recent Audio Amplifier Articles

The All Channels Driven Amplifier Test Controversy

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 100wpc x 7, it should be able to deliver this power to all channels simultaneously. But is this a realistic test condition and requirement to place on such a product whose aim is to provide the highest price/performance in a compact box for the typical consumer?

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

— September 20, 2004 19:00 in Audio Amplifiers

Damping Factor: Effects On System Response

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 made (and partially cloaked in some physical reality) that a low source resistance aids in controlling the motion of the cone at resonance and elsewhere.

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

Dick Pierce — August 30, 2004 00:00 in Audio Amplifiers

The Truth About Digital (Class D) Amplifiers

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…

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

Bruno Putzeys — August 29, 2004 20:00 in Audio Amplifiers

Audio Amplifier Classes

Audio Amplifier Classes

There are several basic classes of amplifiers in use today. Three of the more "audiophile of these are Class A, Class B, and Class AB. With the advent of additional digital amplifier technology this section will continue to be updated. Please stay tuned...

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

— August 29, 2004 19:00 in Audio Amplifiers