Tesla E34L Power Vacuum Tube

Tesla E34L (Special Quality) power tubes in NOS condition with original black bases—a rare find for vintage amp enthusiasts. These tubes deliver the robust, high-volume growl that made Marshall amplifiers legendary, handling elevated plate voltages with the durability that black-base variants are prized for. Unlike their brown-base counterparts, these tubes excel under extreme conditions, producing the harmonic distortion characteristics comparable to classic Mullard EL34s. Perfect for restoring or upgrading vintage Marshall rigs and other high-demand applications. Limited stock.

Blank tubes also avaliable