6L50 Tesla is a vintage beam tetrode with maximum anode dissipation of 25W. It is electrically very similar to the 6L6 tube, but the external design is totally different. This tube also requires a specific socket for 6L50. Application: lf, hf power amplifier. New in box tubes (please look at the gallery pictures). All of the available pieces are tested with the BM215A Tester. Year of production: 1959.