6GU7
Dual Triode · IHT · 9-pin Noval · 1960
“Clean driver.”
Medium-gain triode for driver and line stage applications
Datasheet ↗SPICE
GAIN FACTOR0
PLATE IMPEDANCE0kΩ
TRANSCONDUCTANCE0mA/V
GAIN20%
POWER8%
DRIVE94%
LINEARITY90%
TYPICAL OPERATING POINT
EXECUTIVE SUMMARY
The 6GU7 is a dual indirectly-heated triode from RCA·Sylvania, introduced around 1960. It provides a gain factor (μ) of 20 with 6300Ω plate resistance. Commonly used in preamp applications. Clean driver.
APPLICATIONS
Voltage amplifierPhase splitter
Generic triode preamp stage
• Hi-Fi stereo• Headphone amp
HISTORY
Introduced1960ManufacturerRCA·SylvaniaEquivalentsNone
Late ProductionSPECIFICATIONS
Heater Voltage6.3V
Heater Current0.45A
Max Plate Voltage300V
Max Power3W
Sensitivity3.2 mA/V
Gain Factor20
Internal Impedance6.3kΩ
Pinout9-pin Noval
Era1960
RarityCommon