Preamps
Anode voltage.................480V
Anode dissipation power............40W

Self-bias.................100 mA
Fixed bias.................70 mA

Input capacity.................9PF
Output capacitance................................4.3PF
Inter-circuit capacitance....................15PF
Static parameters
Ua............................300V
-Ug........................ 60V
Current value...............60 mA
Transconductance................................5.5 mA/V
Ri........................0.7 K
................................ 3.85