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 ...

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.

Garmin has introduced the JL Audio AP amplifiers, a new line of compact amplifiers designed to deliver high-quality sound in ...

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 ...

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 ...