What Hi-Fi? on MSN

Modern classics: NAD unveils a new streaming amplifier and CD player in its Classic Series

Say hello to the C 359S streaming amp and C 569 CD player ...
Gear Patrol on MSN

This stereo amplifier aims to get audiophiles back into traditional hi-fi

The rising hi-fi brand's newest audiophile amplifier has a more classic design and look.
eCoustics

NAD C 359S Integrated Amplifier Bucks the Class D Trend With Class A/B Power and BluOS for $1,299

NAD’s $1,299 C 359S combines 70W Class AB amplification, BluOS and HDMI eARC with power supply technology from its Masters ...
eCoustics

FiiO’s CLASS A Headphone Amp Isn’t Always Class A: What Buyers Need to Know

FiiO's $380 CLASS A headphone amp can switch to Class AB with low-impedance headphones. Here's what FiiO says and why the ...
Electronic Design

Class AB Op Amps: The Solution for Low-Iq Audio

Different classes of amplifiers. What are the benefits of class AB amplifiers? Patents that address the quiescent current of class AB amps. Amplifiers have many classifications, and each class has its ...
EDN

Class AB inverting amp uses two floating-amplifier cells

Transistors often find use as three-pin amplifier devices, in which the input and the output share one pin. Thus, the input and the output must have the same voltage at this pin. On the other hand, a ...