1. Is Amplifier Weight an Indicator of Robust Amplifier Design? You have to find out if the amplifier is a Class A/B analog amp or a Class D digital amplifier before you can generalize about weight ...

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 ...

The well-known LM386 is an excellent choice for many designs requiring a small audio power amplifier (1-watt) in a single chip. However, the LM386 requires quite a few external parts including some ...

Integrated amps combine the preamp and power amp into one unit, which makes them compact, easy to set up, and simple to use.

This file type includes high resolution graphics and schematics when applicable. Class D audio amplifiers are able to fulfill the requirements for audio applications such as mobile handsets, Bluetooth ...

There’s a mystique in audiophile circles about tube amplifiers. They can have a very nice sound which is attributed to their even-harmonic distortion, but they are often portrayed as requiring rare ...

WiiM has become quite the disruptor in the budget hi-fi space over recent years. The California-based audio company is now ...

Our picks for the best dedicated headphone amplifiers for audiophiles includes Apos, Feliks Audio and STAX.

I have fond memories of the original Aragon 4004 power amplifier from my days when I worked as a high-end audio salesman. That was in the late 1980s and the big 200 watt amp sold for a lot less money ...

The Cherry Audio MEGAschino Mk2 Standard Edition Class D Amplifier is energy efficient, boasting SOTA specs and gobs of power output (>400wpc, 8 ohms). Is it worth the $6k price? Read our review. The ...