Beam tetrode/kinkless tetrode (KT) vacuum tube for audio amplification
Characteristics: High power with low distortion
Expected lifetime under normals usage: 2000- 3000 hours
This tube is made in China in PrimaLuna's own factory, and is very dependable, sounds great, and looks even better. This is the same tube that comes stock in the award-winning PrimaLuna amplifiers.