Figure 1.1: Class A Amplifier Class B Class B amplifiers use two transistors. Each transistor is turned on for half of the time. One transistor operates during the positive cycle of the input, while ...

Offered as a complete H-bridge, Class D switching amplifier for driving brush-type motors and reactive loads, the SA160DP from Apex Microtechnology provides low on-resistance of 140 mΩ typical over ...

This article is more than 2 years old. The Musical Fidelity A1 is closely based on the original design from 1985. It's a pure Class A amplifier with a rich and warm sound.

As for Class D, it utilizes a single transistor along with an input modulator and output filter. It offers a remarkable efficiency of up to 90%.

STMicroelectronics is using Class-G analogue audio technology to create 117dB S/N ratio, >117dB dynamic range (A-weighted), automotive amplifier. Class-G amplifiers are similar to traditional Class-AB ...

CES Innovations Awards Honoree – Azur 840W Class XD power amplifier — Suggested retail price – $1900 ex sales tax; £1000/€1900 inc VAT — Available Spring 2008 Cambridge Audio has taken the Azur 840 ...