Isolation
6V6GT: Power collector tube. Coated side heated cathode.
Er: 6.3V
Current: 0.45A
Interelectrode capacitance:
Gate to screen: G1-P 0.7pF
Input: G1-(H+K+G2+G3) 9.0pF
Output: P-(H+K+G2+G3)7.5pF T-9
Maximum Ratings
Screen voltage: 350V
Curtain grid voltage: 315V
Screen power dissipation: 14W
Curtain grille power dissipation: 2.2W
Voltage between hot wire and cathode: ±200V
Gate circuit resistance: 0.1MΩ (fixed bias), 0.5MΩ (self-fed bias)
Typical operating characteristics
A1-class amplification
Screen voltage: 315V 180V 250V
Curtain grid voltage: 315V 180V 250V
Gate voltage: -8.5V-12.5V-13V
Peak input voltage: 8.5V 12.5V 13V
Zero signal screen current: 29mA 45mA 39mA
Maximum signal screen current: 30mA 47mA 35mA
Zero signal curtain current: 3mA 4.5mA 2.2mA
Maximum signal gate current: 4.0mA 7.0mA 6.0mA
Internal resistance of board (approx.): 50000 50000 80000
Mutual conductivity: 3700 A/V 4100 A/V 3750 A/V
Load impedance: 5500Ω 5000Ω 8500Ω
Total harmonic distortion: 8%, 8%, 12%
Maximum signal output power: 2.0W 4.5W 5.5W
AB; push-pull amplifier (two tube values)
Screen voltage: 250V 285V
Curtain grid voltage: 250V 285V
Gate voltage: -1.5V-19V
Peak input voltage (): 30V 38V
Zero signal screen current: 70mA 70mA
Maximum signal screen current: 79mA 92mA
Zero signal curtain current: 5.0mA 4.0mA
Maximum signal gate current: 13.0mA 13.5mA
Load impedance (PP): 10000 80000
Total harmonic distortion: 5% 3.5%
Maximum signal output power: 10W 14W
Three-pole connection method
Screen voltage: 250V
Gate voltage: -12.5V
Magnification: 9.8
Internal resistance of board: 1960
Mutual conductivity: 5000 A/V
Screen current: 49.5mA
Gate voltage: (Ip=0.5mA) -36V