Tube Characteristics (RCA Receiving Tube Manual, RC-24, 1965) Type: 6J7 6J7G 6J7GT Bulb : RCA3 RCA23 RCA14A/T-9 Class : SHARP CUTOFF PENTODE Base Diagram: 7R Emitter Volts: 6.3 Emitter Amps: 0.3 Use: Class A RF AMP/OSC Plate Dissipation (w): 1.92 Plate Volts: 100 250 Negative Grid Volts: 3.0 3.0 Screen Volts: 100 100 Plate Current (ma): 2 Screen Current (ma): 0.5 0.5 Plate Resistance (ohm): 1M 1M Transconductance (mho) 1185 1225