5814WA
2 Tubes in archive
BrandTung-Sol
ClassPremium Twin Triode
Base9 Pin Miniature Button (9A)
Filament6.3V @ 0.35mA
Construction
Primary TypeTwin Triode
EnvelopeGlass
Sections2
Filament / Heater
Heater NotesAC or DC. Heater center tap permits dual voltage operation.
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation3 W
Cathode Current22 mA
H-C Voltage200 V
Audio Performance
Key Features
- Ruggedized Construction
- Medium Mu
- Electrically Independent Sections
- Severe Mechanical Shock Resistance
- Designed for Military/Airborne Equipment
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 100V | 3100 | 6250 | 19.5 | 11.8mA |
| Class A1 Amplifier | 250V | 2200 | 7700 | 17 | 10.5mA |
Application Notes
Difficulties may be encountered if operated for long periods with very small values of cathode current. Maximum grid circuit DC resistance 0.25 Megohms.
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