Preamps
Current: 1.5A
Final Rating
Anode voltage: 800V
Second grid voltage: 500V
First gate voltage: 100V
Anode dissipation power: 25W
Second grid power dissipation: 8W
Cathode current: 150 mA

Self-bias voltage: 0.7 M
When bias voltage is fixed: 0.5 M
Hot wire cathode voltage: ±100V
Glass shell temperature: 250
Interelectrode capacitance
Input capacitance: 15.2PF
Output capacitance: 8.4PF
Inter-circuit capacitance: 1.1 PF
First grid hot line capacitance: 1.0 PF
Hot wire cathode capacitance: 10 PF

Voltage: 250V
Ug2: 250V
Ug3: 0V
-Ug1: 12.2 V
Current: 100 mA
Transconductance: 11 mA/V
Rizhao: 15,000