Use RCA cables to run the audio signal from your head unit (car stereo) or receiver (home system) to the input section of the ...

[Simon] wrote in to tell us about a headphone tube amp that he just ... [Simon’s] design adds an on board regulated power supply and a volume control for the input. Effort was made to keep ...

An amplifier that zeros out the input isn’t very useful. However, there is a catch. If the reference signal and the input signal are out of phase but equal in frequency, then the difference term ...

Alfatron Electronics recently unveiled its MA15075D Compact Digital Mixing Amplifier. Ideal for a wide range of commercial installed sound environments, the new MA15075D combines convenient digital ...

EPC has used GaN transistors to create a high-power Class-D two-channel audio power amplifier design. Instantiated in evaluation kit ... even up to 600W at 1kHz into 4Ω. Input and output are ...