6H7C
Triode · IHT · Octal · 1950
“Russian octal. Warm.”
Medium-gain triode for driver and line stage applications
Datasheet ↗SPICE
GAIN FACTOR0
PLATE IMPEDANCE0kΩ
TRANSCONDUCTANCE0mA/V
GAIN20%
POWER14%
DRIVE92%
LINEARITY90%
TYPICAL OPERATING POINT
EXECUTIVE SUMMARY
The 6H7C is a indirectly-heated triode from Russian, introduced around 1950. It provides a gain factor (μ) of 20 with 7700Ω plate resistance. Commonly used in preamp applications. Russian octal. Warm.
APPLICATIONS
Push-pull outputVoltage amplifier
Generic triode preamp stage
• Hi-Fi stereo
VS 6SN7
HISTORY
Introduced1950ManufacturerRussianEquivalents6SN7
Golden AgeSPECIFICATIONS
Heater Voltage6.3V
Heater Current0.3A
Max Plate Voltage300V
Max Power5.5W
Sensitivity2.6 mA/V
Gain Factor20
Internal Impedance7.7kΩ
PinoutOctal
Era1950
RarityCommon