Ampera
6S45P
Triode · IHT · 9-pin Noval · 1965
“Ultra-high Gm. Gold grid. Stunning speed.”
Medium-gain triode for driver and line stage applications
GAIN FACTOR0
PLATE IMPEDANCE0Ω
TRANSCONDUCTANCE0mA/V
Cgk0pF
Cgp0pF
Cpk0pF
GAIN40%
POWER20%
DRIVE99%
LINEARITY80%
EXECUTIVE SUMMARY
The 6S45P is a indirectly-heated triode from Reflector, introduced around 1965. It provides a gain factor (μ) of 40 with 890Ω plate resistance. Commonly used in preamp / driver applications. Ultra-high Gm. Gold grid. Stunning speed.
APPLICATIONS
Push-pull outputVoltage amplifierHeadphone output
Generic triode preamp / driver stage
• Hi-Fi stereo• Headphone amp
VS WE437A
HISTORY
Introduced1965ManufacturerReflectorEquivalentsWE437A, 6C45Pi
Late ProductionSPECIFICATIONS
Heater Voltage6.3V
Heater Current0.44A
Max Plate Voltage150V
Max Power7.8W
Sensitivity45 mA/V
Gain Factor40
Internal Impedance890Ω
Pinout9-pin Noval
Era1965
RarityModerate
Input Capacitance5.8pF
Miller Capacitance0.05pF
Output Capacitance3.2pF
SPICE model not yet available. Loadline calculator requires calibrated Koren parameters.