Orianthi sought to blend the sound of a Dumble she’ll “never forget” with two other classic amps for her new custom combo ...

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 ...

Recognizing the nonlinear behavior of the 12AX7 vacuum tube, used in audio and old op-amp applications, Dr. Dyer compares various models for fit to real-world device data.

A Tube passenger – called Sami – posted a picture of a fellow traveller sitting with only one shoe on after he donated the other to a sightless man. Sami told Metro the blind man lost his shoe ...