This amp design uses a plate voltage of 12, although the 12AU7 can handle up to about 330. Since the 12AU7 is of the Twin Triode variety, one tube can be used to amplify both a left and ...

[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 ...

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

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

“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 ...

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 ...