Preamps
Filament Heating
Voltage input...2.5V
If ...............2.5A

Static parameters
Voltage input.................250V
-Ug................-45V
Ia........................60mA
Gm................................................5.25 mA/V
Li.........800
You ................4.2
Pouting................................3.5W

Restrict Rating
Anode voltage....300V
Anode power dissipation.........15W
Interelectrode capacitance
Gate anode capacitance...............12PF
Grid filament capacitance................6.8PF
Anode filament capacitance................3.2PF