6H9C
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ClassDouble triode
BaseOctal
Filament6.3V @ 300mA
Construction
Primary TypeTriode
EnvelopeGlass
SectionsDouble
Filament / Heater
Heater NotesIndirectly heated oxide-coated cathode
Absolute Maximum Ratings
Plate Voltage275 V
Plate Dissipation1.1 W
H-C Voltage100 V
Audio Performance
Key Features
- Low-frequency voltage amplification
- Resistant to vibration and impact
- Glass bulb
- Indirect heating
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Voltage Amplifier | 250V | 1700 | - | 70 | 2.3mA |
Application Notes
Designed for amplification of low-frequency voltage. Resistant to ambient temperature from -60 to +70°C and relative humidity of 95 to 98% at +40°C.
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