4P1L
Pentode · IHT · Special · 1960
“Russian Postamt equivalent.”
Small-signal pentode for low-noise voltage amplification
Datasheet ↗SPICE
TRANSCONDUCTANCE0mA/V
GAIN0%
POWER19%
DRIVE50%
LINEARITY75%
EXECUTIVE SUMMARY
The 4P1L is a indirectly-heated pentode from Russian, introduced around 1960. Commonly used in preamp / driver applications. Russian Postamt equivalent.
HISTORY
Introduced1960ManufacturerRussianEquivalentsNone
Late ProductionSPECIFICATIONS
Heater Voltage20V
Heater Current0.1A
Max Plate Voltage250V
Max Power7.5W
Sensitivity10 mA/V
Gain Factor—
Internal Impedance—
PinoutSpecial
Era1960
RarityModerate