Audio-power-amplifier systems have traditionally used linear amplifiers, which are well known for being inefficient. A linear Class AB amplifier is designed to act as a variable resistor network ...

The Class D amplifier topology theoretically offers ideal characteristics for audio: 100% efficiency, 0% THD, and no audible noise. While practical Class D implementations can come attractively close ...

Hot on the heels of a glowing five-star review for its Michi X3 integrated amplifier, Rotel has just unveiled the C8 and C8+ amps for the custom install market. Rotel's new Class AB amps boast eight ...

Fairview Microwave has released a new series of Class AB broadband high power amplifier modules that incorporate GaN, LDMOS or VDMOS semiconductor technology. This new series of amplifiers consists of ...

Consumer demand for flexible audio features and hi-fi sound from mobile phones has led to handset audio chip designers having to optimise the Class D amplifier to meet the noise and power management ...

Tivoli Audio has unveiled the Model One Digital Gen. 3, updating its classic tabletop radio with enhanced wireless ...

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 ...

Hang around in any of the many guitar or audiophile forums or discussion boards for long enough, and eventually you’ll come across the arguments over amplifier topologies. One of the more interesting ...

Emitted EMI is a drawback to the switching topology of the Class D amplifier. Passive filtering can moderate EMI but adds cost and complexity to the end product. What other internal circuit design ...