Quality Russian 6F1P triode-pentode tube. Equivalent to the 6BL8 / ECF80.

Name: 6F1P

Type: triode-pentode

Application: HF oscillation, amplification, conversion

Cathode type: oxide, indirect heating

Envelope: glass, miniature

Mass, g: 20

Filament voltage, V: 6,3

Filament current, A: 0,38-0,46

Anode voltage, V: triode-100/penthode-170

Anode current, A: triode-0,013/penthode-0,01

Anode power, W: triode-1,5/penthode-2,5

Grid1 voltage, V: triode-minus2/penthode-minus2

Grid2 voltage, V: 170

Steepness, mA/V: triode-5/penthode-6

Microphnic noise, mV: 200

Gain: triode-20