6H13C
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ClassDouble triode
BaseOctal
Filament6.3V @ 2.5mA
Construction
Primary TypeDouble triode
EnvelopeGlass
Base MaterialPlastic (Octal)
Sections2
Filament / Heater
Heater NotesIndirectly heated cathode
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation13 W
Cathode Current130 mA
H-C Voltage300 V
Audio Performance
Key Features
- Indirectly heated oxide-coated cathode
- Glass bulb
- Octal base
- Resistant to vibration and mechanical loads
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Stabilizer operation (per section) | 90V | 5500 | 460 | - | 76mA |
Application Notes
Specifically designed for operation in electronic voltage stabilizers. In compensation-type electronic stabilizers, grid circuit resistance may be up to 3 MOhms.
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