If you ever wanted to build your own tube amplifier but you were intimidated by working with high voltages, [Marcel]’s low-voltage tube amp design might spark your interest. The design operates ...

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 ...

Our favorite integrated amplifiers in 2024 include models from Cambridge Audio, Naim, NAD, Unison Research and more.

A fuss-free dual-channel tube head that delivers some of best tones available at this price point – and higher ...

A single-channel offering from 2022 has been usurped by the two-channel upgrade, which promises the tube-amp-like tones of ...

Generally, most amplifiers use either vacuum tubes (tube amps) or transistors (solid state amps) to translate the current ...

The Heatseeker is designed to replicate the spirit of Young's Marshall stack, but also includes a circuit inspired by a ...

After a brief review of the history of the K2-W vacuum-tube op amp, an LTspice model is used to create its schematic in ...

The original amplifier technology used in RF communication systems was the travelling wave tube (TWT). It is well established, reliable and still widely used – particularly in higher frequency, ...