The type of amp you choose can have a huge effect on sound quality, power consumption, and cost. Here's how the Yamaha A-S301 ...

If you didn’t know better, you might think the phrase “class A amplifier” was a marketing ... Sure, you can build the circuits and look at everything with a meter or scope, but using Spice ...

This high-resolution audio amplifier delivers exceptional sound quality with a simple yet efficient circuit design.