Tube-number record
6П14П
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BrandSoviet/Russian
ClassOutput Pentode
BaseNoval (B9A)
Filament6.3 V @ 760 mA
Construction
Primary TypePentode
EnvelopeGlass
Base MaterialGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated oxide-coated cathode
Absolute Maximum Ratings
Plate Voltage400 V
Plate Dissipation14 W
Grid 2 Voltage300 V
Cathode Current65 mA
H-C Voltage100 V
Audio Performance
Typical THD10%
Power Output4.2 W
Key Features
- Miniature glass bulb
- Low-frequency power amplification
- Oxide-coated indirectly heated cathode
- Vibration resistant
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A (Self-bias) | 250 V | 11300 | 30000 | — | 48 mA |
Application Notes
The resistance in the first grid circuit may be increased up to 1 MOhm with self-bias. For fixed bias, grid resistor should not exceed 0.3 MOhm.
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