Learn how power amplifiers work, the common types, and what to lookout for when shopping for amps. You have to find out if the amplifier is a Class A/B analog amp or a Class D digital amplifier before ...

There are two salient facts about Class A amplifiers: they are inefficient; they give the best possible distortion performance. The quiescent dissipation of the classic Class A amplifier is equal to ...

Specifying the power supply requirements for audio amplifiers can be tricky. If the power supply is overdesigned it will add unnecessary cost to the product, and if it supply is underdesigned the ...

This article was originally published in the Dec 14, 1998 issue of Electronic Design. Class-D audio power amplifiers (APAs) were first introduced nearly 50 years ago. Since then, they have been used ...

Starke Sound’s new AD4.320 4-channel power amplifier ($1,399) uses a home-grown Class D amplifier module combined with an old-school linear power supply. It can be bridged for up to 650 watts!

A relatively new technology called the pure digital or Class-D amplifier has been introduced into the audio world. The Class-D architecture allows the input audio signal to stay in its digital format ...

Esoteric’s N-05XE and S-05XE combine flagship DAC, streaming, balanced preamp, serious headphone amp, and Class A power—but at $26,500, is this the most future-proof “affordable” reference system?

Say hello to the N-05XE streaming DAC/pre-amplifier and headphone amplifier and the S-05XE Class A power amplifier.

Review: Classe CT-2300 is a 300wpc/600wpc (8/4 ohms, respectively) two-channel power amplifier. It's great bench tests,sonic virtues and cool operation makes it a wonderful rack mountable solution. # ...