Many electronic projects require the use of a small audio amplifier. Be it a radio transceiver, a digital voice recorder, or an intercom, they all call for an audio amp that is small, cheap, and has ...

Housed in a space-saving SOP16 exposed-pad package, the PAM8320 mono Class D audio amplifier from Diodes Inc. delivers 20 W of output power and operates at an efficiency of up to 95%, eliminating the ...

Two-minute review. The Rotel DX-5 is a compact, beautifully constructed and very nicely designed stereo integrated amplifier ...

The Audiophiliac found a lot to like about the new Rotel RA-1570 amp, for hi-fi and stereo home theater applications. Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end ...

I suspect a substantial number of people have an old pair of speakers sitting in storage: hand-me-downs from a family member, perhaps, or the remnants of a stereo of their youth. Such speakers can be ...

Long time Ars reader in need of some recommendations on mini amplifiers. I plan to build my own Airplay system to pipe music into our living room, while keeping the electronics out of site. I'll be ...

Exercise Stepper: Tone your muscles while you are working out Finest screen protectors for your car’s touchscreen display A stereo amplifier is the heart of a stereo system or microphone that boosts ...

at the top of this picture. Each board is two channels. An audio amplifier can boost the small incoming audio signal’s voltage by increasing its voltage, and current. The degree to which the amplifier ...

It was with considerable interest last month that I set out to track down where in the world there are still factories making tubes. My research found them in Slovakia, Russia, and China, and it’s ...