Tube Characteristics Type: 6H6 (6H6GT) Bulb : METAL T-9 Class : DUAL DIODE Base Diagram: 7Q Emitter Volts: 6.3 Emitter Amps: 0.3 Use: Rectifier, detector, noise limiter Plate Volts: 117 VAC per plate, RMS Plate Current (ma): 8.0 max, per plate Plate Supply Impedance: 15 ohms min, per plate