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I'm looking for a small, cheap solution that will allow me to take as input the main output of my sound card and from that feed lines to at least four line level outputs (speaker amp, headphones a 2 ...

The single op-amp differential amplifier shown in Figure 1 is often used as an audio balanced line receiver. Obtaining high common-mode rejection is a critical requirement that requires four ...

Two Notes has unveiled the Torpedo Reload II, a feature-packed sequel to its reactive load box and attenuator, and it is a serious piece of kit for any player who has a tube amp and needs some extra ...

A Class D audio amplifier is basically a switching amplifier or PWM amplifier. There are a number of different classes of amplifiers. We will take a look at the definitions for the main ...

Understand the basic audio components of a Hi-Fi stereo system so you know what to look for when shopping for audiophile equipment. Amplifier. Amp. Preamp. Integrated amp. Phono stage. Tube amplifier.