4030-C
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BrandStandard
ClassDouble Ended Water Cooled Triode
FilamentV @ mA
Construction
Primary Typetriode
EnvelopeDouble Ended Water Cooled
Base MaterialCopper Jacket
SectionsSingle
Filament / Heater
MaterialPure tungsten
Absolute Maximum Ratings
Plate Voltage17500 V
Plate Dissipation80000 W
Cathode Current11000 mA
Audio Performance
Power Output100000 W
Key Features
- Water cooled
- Double ended
- Pure tungsten filament
- Corona rings fitted
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class B A.F. Amp and Mod. (2 valves) | 14000V | 20000 | 1800 | 36 | 6500mA |
| Class B Telephony | 17500V | - | - | - | 4800mA |
| Class C Telegraphy | 15000V | - | - | - | 9600mA |
Application Notes
The code numbers for parts to be ordered separately: Grid and filament radiators type LP.77880, Filament radiator type LP.77883, Filament connection type Det.105/Det.105A.
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