There’s a mystique in audiophile circles about tube amplifiers. They can have a very nice sound which is attributed to their even-harmonic distortion, but they are often portrayed as requiring rare ...

Audio systems performance is limited by the worst link in the signal chain. All too often the weakest link is the speaker impedance matching. New circuits make the job easier, and offer more ...

Ashdown Engineering has launched a new range of guitar amps that promises players “the ultimate combination of classic and modern” electric guitar tones at a very approachable price point. The SX ...

Impedance matching is easy if you know the basics. Download the eBook to find out how. The term “impedance matching” is rather straightforward. It’s simply defined as the process of making one ...

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 ...