Landreth's D25 might be a single-channel affair with old-school aesthetics but with six onboard virtual cabs, MIDI ...

[Marcel]’s low-voltage tube amp design might spark your interest. The design operates with a B+ (plate) voltage of only 40v, making it less intimidating and dangerous than many other amps that ...

Schematic of battery operated tube preamp. In this design, two pre-amplifiers described above are used with a battery powered high voltage supply. The high voltage supply works by creating a ...

“The amp can be restored with its original design intact or ... “There are many options to tube roll to change its sonic characteristics.” Like most vintage audio equipment, original ...

One of the great pioneers of US high-end tube amps, Sampson co-founded Matchless and had recently returned to Bad Cat after a ...

Sampson had recently returned to Bad Cat, and was even involved in launching the Era 30 tube amp at this year's NAMM ...

Karma-AV is to distribute Unison Research’s high-performance valve-based Hi-Fi separates in the UK and Ireland. The Italian manufacturer’s line-up includes Class A pre/power and phono amplification ...

with rounded edges and a sleek design available in either black or red. One big change is the addition of two JAN6418 vacuum tubes, with the M8T featuring both a tube amp and a transistor-based ...