In an effort to bridge the divide between tube and digital guitar amplifiers, MI Audio has created the Flex SmartAmp, a tube-driven, analog guitar amplifier that can be controlled using an iDevice.

While many hi-fi manufacturers with plans to launch new products at the prestigious High End Munich show are remaining tight-lipped until next week’s event, an excited NAD is seemingly all too happy ...

Most audiophiles and enthusiasts have grown up with at least a basic understanding of what an amplifier does. It takes a tiny alternating electrical signal that represents the moment-to-moment ...

TEAC has expanded its Reference 500 series with another hi-fi component, the AP-507 power amplifier. It follows the HA-507 analogue headphone amp/preamplifier and UD-507 DAC/preamp that launched in ...

If you’ve ever glanced at the specifications sheet for an amplifier, one of the things you may have noticed is the amplifier’s class. Typically denoted by a letter or two, the most common amplifier ...

International Solid-State Circuits Conference in San Francisco always seems to make space for audio amplifier developments, and this year is no exception, with some extraordinary distortion and noise ...

One of my first jobs as an engineer was at Empire Scientific Corp. in Garden City, NY in 1972. This was a high-end audio company that made speakers, turntables and phonograph cartridges. We had some ...

As we’ve traced our no-nonsense path through the world of Hi-Fi audio, we’ve started with the listener, understood the limitations of the human ear, and thence proceeded to the loudspeaker. We’ve ...

Fulcrum Acoustic has introduced its Driveflex amplifier line and version 1.5 of Fulcrum One software, extending the Fulcrum platform to include power amplification and advanced array functionality.

What is the LM386 audio amplifier? The integrated chip LM386 is a low power audio frequency amplifier requiring a low level power supply (most often batteries). It comes in an 8-pin mini-DIP package.