This limited edition drop puts the custom-order look back in style, presenting 150-watts of legendary high-gain performance – and a sound that shaped '90s rock and metal ...

Abstract: Electric circuits containing vacuum tubes form an integral part of various audio equipment, such as guitar amplifiers, certain equalizers, microphone preamplifiers, and dynamic range ...

Abstract: D-band high speed communication applications require an amplifier with broad bandwidth and high power. The vacuum high-power amplifiers, however, exhibit a limitation in bandwidth, while ...

First a boatanchor, now a fossil, the Heathkit AA-100 tube power amplifier shone when it came out in 1960: 25 watts stereo, cheap, ‘sweet’ output tubes, and a ton of inputs. Plus, the fun of building ...

A comprehensive look at the best speakers from iconic amp merchants Marshall – covering portable powerhouses and huge home hi-fi boxes When you purchase through links on our site, we may earn an ...