The Emotiva UPA-2 Stereo Amplifier is an incredible solution to turn a $500 AV receiver into a real powerhouse - and for FAR less money than it would cost to buy a comparable quality flagship product.

NuForce announced the Icon-2 and uDAC-2 desktop audio components. Together with the recently released high-end Icon HDP and Icon Amp, this series completes a Modular Systems approach for bringing high ...

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 ...

Balanced Music Concept (B.M.C.) Audio introduced the high-end AMP CS2 integrated stereo amplifier with a built-in power amp upgrade option. The AMP CS2 can change from operating as an integrated ...

So you've decided that you'd like to pick up a headphone amplifier. Like many things in the world of audio, deciding which to buy can be a rabbit hole of different designs, types, and price points. We ...

There is something incredibly freeing about a small portable amplifier that can also be battery-powered. Under the Roland moniker, the CUBE Street amp was first released way back in 2007. The entire ...

Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end audio salesman, and as a record producer. Steve reviewed audio products for CNET and worked as a freelance writer for ...

The Audiophiliac loved the original Asgard, the new Asgard 2 is still made in the U.S., it has more features and improved sound, but it's still $249! Ex-movie theater projectionist Steve Guttenberg ...

The goal of this series is to maximize the voltage gain of the single transistor amplifier. I had always thought that hFE had a profound effect upon voltage gain, so I set out to determine how ...

In Part 1, I discussed the background behind lock-in amplifiers. Here, I’ll cover analog and digital lock-in amplifiers, software-defined radio, de-embedding, and the hardware and software ...