E55L
Pentode · IHT · 9-pin Noval · 1958
“Extreme Gm pentode. Legendary.”
Power pentode delivering up to 10W in pentode, UL, or triode mode
Datasheet ↗SPICE
TRANSCONDUCTANCE0mA/V
GAIN0%
POWER25%
DRIVE50%
LINEARITY75%
EXECUTIVE SUMMARY
The E55L is a indirectly-heated pentode from Philips, introduced around 1958. Commonly used in power / driver applications. Extreme Gm pentode. Legendary.
APPLICATIONS
Power output
Generic pentode power / driver stage
HISTORY
Introduced1958ManufacturerPhilipsEquivalentsNone
Golden AgeSPECIFICATIONS
Heater Voltage6.3V
Heater Current0.9A
Max Plate Voltage300V
Max Power10W
Sensitivity30 mA/V
Gain Factor—
Internal Impedance—
Pinout9-pin Noval
Era1958
RaritySought-after