EF80
Pentode · IHT · 9-pin Noval · 1955
“VHF amplifier.”
Small-signal pentode for low-noise voltage amplification
Datasheet ↗SPICE
TRANSCONDUCTANCE0mA/V
GAIN0%
POWER6%
DRIVE50%
LINEARITY75%
EXECUTIVE SUMMARY
The EF80 is a indirectly-heated pentode from Philips, introduced around 1955. Commonly used in rf / preamp applications. VHF amplifier.
APPLICATIONS
Voltage amplifier
Generic pentode rf / preamp stage
HISTORY
Introduced1955ManufacturerPhilipsEquivalents6BX6
Golden AgeSPECIFICATIONS
Heater Voltage6.3V
Heater Current0.3A
Max Plate Voltage300V
Max Power2.5W
Sensitivity7 mA/V
Gain Factor—
Internal Impedance—
Pinout9-pin Noval
Era1955
RarityCommon