4222-B
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BrandStandard valves
ClassHalf Wave Water Cooled Rectifier
Construction
Primary Typerectifier
Rectifier Typehalf-wave
EnvelopeWater Cooled
Sections1
Filament / Heater
MaterialPure Tungsten
Absolute Maximum Ratings
Plate Voltage45000 V
Plate Dissipation10000 W
Audio Performance
Key Features
- Pure Tungsten filament
- Constant voltage type filament
- Water cooled anode
- Multiple water jacket compatibility
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| 1 Valve Circuit | 7000V | - | - | - | 1500mA |
| 2 Valves Circuit | 14000V | - | - | - | 3000mA |
| 3 Valves Circuit | 22500V | - | - | - | 4500mA |
| 6 Valves Circuit | 22500V | - | - | - | 8500mA |
Application Notes
The exact filament voltage is marked on the bulb of each valve.
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