7AK7
Pentode · IHT · 7-pin Miniature · 1955
“High-Gm military pentode.”
Small-signal pentode for low-noise voltage amplification
Datasheet ↗SPICE
TRANSCONDUCTANCE0mA/V
GAIN0%
POWER21%
DRIVE50%
LINEARITY75%
EXECUTIVE SUMMARY
The 7AK7 is a indirectly-heated pentode from GE, introduced around 1955. Commonly used in rf / preamp applications. High-Gm military pentode.
HISTORY
Introduced1955ManufacturerGEEquivalentsNone
Golden AgeSPECIFICATIONS
Heater Voltage6.3V
Heater Current0.45A
Max Plate Voltage300V
Max Power8.5W
Sensitivity9 mA/V
Gain Factor—
Internal Impedance—
Pinout7-pin Miniature
Era1955
RarityModerate