A Class D audio amplifier is basically a switching amplifier or PWM amplifier. There are a number of different classes of amplifiers. We will take a look at the definitions for the main ...

A class-D puts out a pulse-width modulated (PWM) signal instead of the typical class-AB amplifiers linear signal The PWM signal contains the audio signal and the PWM switching frequency plus harmonics ...

Editor Bill Wong takes a look at Diodes' 12-W PAM8965 audio-amplifier evaluation module. The PAM8965 Class-D stereo audio power amplifier drive two channels with 12 W to a pair of 4 Ω speakers. The ...

Class-D audio amplifiers represent a significant advancement in modern audio engineering by utilising high-frequency pulse modulation to drive output stages with exceptional efficiency. Unlike ...

The efficiency and size advantages of Class D audio amplification in battery- powered devices are well known. These advantages are now extended to amplifiers up to 500W, made possible by solidstate ...

Class D amps from $130 to $50,000—pulling more ears into hi-fi without demanding you sell a kidney. Solid tech, serious power, and none of the usual overpriced fluff. Finally, affordable doesn’t sound ...

The Cambridge Audio Evo 150 SE ($3,299) refines a proven streaming amplifier with better sound and features, making it a top contender under $5,000. Built around upgraded “Tuned by Cambridge” NCOREx ...

NAD just launched two new products to refresh the brand’s high-end Masters Series. The M33 stereo integrated streaming amp ($4,999) and the M28 seven-channel power amp (also $4,999) both employ a ...

When people think of the Yamaha brand, they likely think of one of two companies. There's the Yamaha Motor Company, which is responsible for various modes of transportation, including some powerful, ...

Every product is carefully selected by our editors. If you buy from a link, we may earn a commission. Learn more Cambridge Audio’s Evo 150 is a beautiful, “just add speakers” streaming amplifier ...

In March 1985, I was reading a copy of my favorite hi-fi magazine. It carried a story about a brand-new British amplifier from Musical Fidelity. The reviews for the A1 amplifier were glowing, as was ...