6DE7
Dual Triode · IHT · 9-pin Noval · 1958
“Dissimilar dual. Medium mu driver + power.”
Medium-gain triode for driver and line stage applications
GAIN FACTOR0
PLATE IMPEDANCE0kΩ
TRANSCONDUCTANCE0mA/V
GAIN17%
POWER18%
DRIVE97%
LINEARITY92%
EXECUTIVE SUMMARY
The 6DE7 is a dual indirectly-heated triode from Sylvania·RCA, introduced around 1958. It provides a gain factor (μ) of 17 with 3400Ω plate resistance. Commonly used in driver + power applications. Dissimilar dual. Medium mu driver + power.
APPLICATIONS
Push-pull outputPhase splitter
Generic triode driver + power stage
• Hi-Fi stereo
HISTORY
Introduced1958ManufacturerSylvania·RCAEquivalents10DE7, 13DE7
Golden AgeSPECIFICATIONS
Heater Voltage6.3V
Heater Current0.76A
Max Plate Voltage300V
Max Power7W
Sensitivity5 mA/V
Gain Factor17
Internal Impedance3.4kΩ
Pinout9-pin Noval
Era1958
RarityCommon
SPICE model not yet available. Loadline calculator requires calibrated Koren parameters.