Over the years there have been many different audio amplifier designs which have found favour for a while and then been ...

It’s a simple yet elegant circuit with fewer parts than an equivalent class AB amplifier, and there was a time back in the day when it was all the rage. This one has an op-amp providing the ...

At the core of every smartphone, computer, and digital gadget lies a technological marvel that has transformed the 20th and ...

FiiO has come up with another intriguing product, and the JM21 is now making a play at the digital audio player entry level ...

A developer has built a laser galvo-based vector display featuring a custom signal conditioning and thermal management system that leverages a low-cost galvanometer for high-speed vector rendering.

A macromodel has been developed for integrated circuit (IC) op amps which provides an excellent pin-for-pin representation. The model elements are those which are common to most circuit simulators.

Rotel is a more-than-60-year-old Japanese hi-fi company best known for its high-end amplifiers catered to serious audiophiles ...

Sporting the firm’s next-gen custom tuned ‘NCOREx’ power amplifier module, it could be a dream amp to pair with some of the best stereo speakers. This tech will supposedly deliver an ultra ...

FiiO expands its line-up with K17 Headphone Amp, which provides a lot of features and connectivity that raise the price, but should please any... The HiFiMAN SERENADE Wireless DAC/Headphone Amplifier ...

WiiM has teased a new device at the Bristol Hi-Fi Show, and it's a little different from its other products. The WiiM Vibelink Amp is the firm's first amp without any streaming smarts. There's no ...

A few years ago, though, Blackstar Amplification saw an opportunity for change, with some modern thinking. The St James range ...