# Screen connected to Plate via 1k5 Ohms # Grid connected to Cathode via 150 Ohms # Anode Voltage (V) Anode Current(mA) 0 0 12.5 3 17 4.7 25 8.2 40 15.2 48 19.6 57 24.3 69 32 74 34.5 81 39.6 87 43.2 94 48.7 102 54.2 114 63.5 123 70 136 80.3 145 88.4 155 97 165 105 172 111.8 188 127.2 201 139.3 214 152 228 167 240 178.9 252 191.5