SS 1971
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BrandStandard Valves
ClassTriode
BaseDouble Ended
Construction
Primary TypeTriode
EnvelopeDouble-ended glass with integral water jacket
Base MaterialWater jacketed
SectionsSingle
Filament / Heater
MaterialPure Tungsten
Absolute Maximum Ratings
Plate Voltage12000 V
Plate Dissipation15000 W
Cathode Current2750 mA
Audio Performance
Power Output24000 W
Key Features
- Water cooled
- Double ended
- Pure Tungsten filament
- Constant voltage filament type
- Integral water jacket
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class B A.F. Amp (Balanced 2-valve) | 10000V | 6000 | 3500 | 21 | 2200mA |
| Class B Telephony | 10000V | 6000 | 3500 | 21 | 1500mA |
| Class C Telephony | 7000V | 6000 | 3500 | 21 | 1500mA |
| Class C Telegraphy | 10000V | 6000 | 3500 | 21 | 3000mA |
Application Notes
No water jacket required as it forms part of the valve. The valve can operate at 22 MHz with anode voltage reduced to 10,000V.
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