You could buy a cheap amp for $140, like I did. I got a Pioneer VSX D209 for that, with sales tax 6.5%. Sounds decent too.

For hams who build their own radios, mastering the black art of radio frequency electronics is a necessary first step to getting on the air. But if voice transmissions are a goal, some level of ...

We know way too little about this subject but hopefully [Bob4analog] helped us learn a little bit more this time around. He’s building his own linear amplifiers on what looks like sheets of MDF. This ...

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 ...

Two components make up the foundation of any hi-fi system: the speakers and the amplifier needed to properly drive them. If you want to create a vinyl hi-fi system, you’ll also need a turntable and a ...

This probably sounds obvious, but audio quality is a hugely important factor in a premium-tier smartphone. In fact, audio quality is increasingly important for mid-tier phones as well. From placing ...