Preamps
E805A features:
The screen (metal screen) is made of carburized Permalloy, which has high purity, strong electron emission ability and long service life.
Tone: The sound field is wide, gentle and pleasant, smooth and lingering, with diverse styles and good balance. The female voice is very beautiful
E-805A direct-heated needle-shaped tungsten cathode triode can be used for class B A-FR-F power amplification, class C power amplification and high-frequency oscillation.
Filament Heating
Uf---------------10V
IF --------------3.25A
Interelectrode capacitance
Input capacitance: 8.5PF
Output capacitor ------------------10.5PF
Inter-circuit capacitance------------- 6.5PF
Extreme Rating
Anode voltage: 1500V
Anode dissipation power ------ 125W
Static test parameters
Filament voltage -----------10V
Anode voltage -------------- 1500v
Grid voltage 10
Screen current value -------------48-72mA