7591
Tetrode · IHT · 9-pin Noval · 1958
“Fisher/Scott output classic.”
Beam power tetrode rated at 19W for high-power output stages
Datasheet ↗SPICE
TRANSCONDUCTANCE0mA/V
GAIN0%
POWER48%
DRIVE50%
LINEARITY75%
EXECUTIVE SUMMARY
The 7591 is a indirectly-heated beam tetrode from GE·Sylvania, introduced around 1958. Commonly used in power (pp) applications. Fisher/Scott output classic.
APPLICATIONS
High-power output
Generic tetrode power (pp) stage
HISTORY
Introduced1958ManufacturerGE·SylvaniaEquivalentsNone
Golden AgeSPECIFICATIONS
Heater Voltage6.3V
Heater Current0.76A
Max Plate Voltage550V
Max Power19W
Sensitivity10 mA/V
Gain Factor—
Internal Impedance—
Pinout9-pin Noval
Era1958
RaritySought-after