4062-A
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BrandStandard Valves
ClassTriode
BaseSpecial 4-pin low loss
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage2000 V
Plate Dissipation75 W
Cathode Current123 mA
Audio Performance
Power Output150 W
Key Features
- Thoriated Tungsten filament
- Constant voltage type
- Low loss base
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class B A.F. Amp. and Mod. (Max Signal) | 2000V | 1000 | 22000 | 22 | 70mA |
| Class B Telephony (Modulated Carrier) | 2000V | - | - | - | 56mA |
| Class C Telephony (Anode Modulation) | 1500V | - | - | - | 75mA |
| Class C Telegraphy (Unmodulated) | 2000V | - | - | - | 81mA |
Application Notes
Max frequency for above ratings 15 Mc. Class B A.F. Modulator values for 2 valve balanced circuit.
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