The internals of the Quad 303 power amp have been updated completely, too. It features a new circuit design, advanced feedback topology, and Class A/B amplification — capable of outputting 50 watts ...

It borrows technologies from the company’s flagship Edge M amplifier — including the same power transistors — and puts them in a more affordable, more versatile amplifier. The EXA100 is an integrated ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Brent Butterworth Brent Butterworth is a writer dedicated to audio gear.

The Tweed Recreation stompbox was built following close inspection of a genuine Fender 5E3 Tweed Deluxe from 1955 ...

First of all, there can be some confusion between integrated amplifiers (one that combines both a preamp and power amp) and stereo receivers (which is basically an integrated amplifier with an AM ...

Power amplifiers deliver a specific amount of AC power to a load. They are used in audio frequency and radio frequency applications. An RF power amplifier is used to amplify radio frequency (RF) ...

Probably one of the most celebrated amplifiers ever made—the 33/303 two-box pre/power amp system from Quad—is back. The British high-end hi-fi brand is reviving the design 57 years after it ...

In the case of a preamplifier it will usually be designed to work with high impedances in the order of 50 kΩ at both input and output, while in a power amplifier designed to drive speakers or ...

But if you’re looking to tinker and tweak and have more flexibility with upgrades over the years, passive speakers — which will require an amp to power them — are the way to go. Not only can you swap ...

Whether you are an RF transistor designer, an amplifier designer or a system designer, this is your one-stop guide to RF and microwave transistor power amplifiers. A team of expert authors brings you ...

To check, remove the power from the amplifier and see whether the problem goes away. There are three types of amplifier – masthead, set-back and distribution. All these need a power supply to work.

AV receivers are classified based on how many speakers they can power. The more amp channels and power, the higher the price. Room correction Room correction adjusts your speakers’ performance ...