Teac is a Japanese hi-fi great with a history dating back to the mid-1950s. It’s best known for its high-end audio equipment, including reel-to-reel machines, cassette tape decks and amplifiers. Now, ...

New 4.4–5.2 GHz power amplifier combines 35+ dBm output power, 50%+ efficiency, and fully integrated matching in a compact ...

Review: The Denon POA-A1HDCI 10 channel audio amplifier offers a slew of connectivity features and power few multi-channel amps can match. Its rated at 150wpx x 10 but can be bridged for double power.

Learn how power amplifiers work, the common types, and what to lookout for when shopping for amps. You have to find out if the amplifier is a Class A/B analog amp or a Class D digital amplifier before ...

Anthem's new MCA 225/325/525 multi-ch amplifiers boast up to 600 watts/ch power and low noise starting at $2k but are there caveats? Read on to find out. MCA 525 GEN2 Power Amplifier 5-channel power ...

Researchers have devised a new concept of superconducting microwave low-noise amplifiers for use in radio wave detectors for radio astronomy observations, and they have successfully demonstrated a ...

When it launches in September, the ULTIMA 7 will become the most affordable full-width power amplifier in Chord Electronics’ lineup. Chord says the amplifier delivers 135 watts per channel into 8 ohms ...

Still looking? See more results on Wirecutter. We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Brent Butterworth Brent ...

This high-end streaming pre/power amplifier duo promises much on a short listen ...

Specifying the power supply requirements for audio amplifiers can be tricky. If the power supply is overdesigned it will add unnecessary cost to the product, and if it supply is underdesigned the ...

The previous two chapters considered closely the distortion produced by amplifier output stages: a basically conventional but well designed Class-B amplifier with proper precautions taken against the ...

A tough challenge for test engineers is explored in terms of test methods, pitfalls, and measurement errors. For the test engineer, RF and microwave power amplifier testing imposes unique challenges.