Mutual Conductance: 9750gm where 5650gm is minimum and 8695gm NOS. Type: 50L6GT. Getter: Dual Bottom "D". Manufacturer: RCA. But this the way of the world now. We are always looking to buy more tubes.
Tubes to be matched with KT-88, EL34, 300B, 6550A, 6L6GC. Rated Output Power (W) 60W at 30Hz. Part Number HW-60-5. Size (AxBxH : refer to Drwg.). 100 x 110 x 120mm. Frequency Range 10Hz～70kHz (+-1dB).