Tube-number record
4062-A
0 archive entries
4062-A is a tube type in the TubeDatabase archive (class: Triode). Recorded specifications: brand Standard Valves, construction Triode, socket 4-pin, maximum plate voltage 2000 V, and maximum plate dissipation 75 W. The archive does not yet hold a photographed example of this type.
BrandStandard Valves
ClassTriode
Base4-pin
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) | 2000 V | 1000 | 22000 | 22 | 70 mA |
| Class B Telephony (Modulated Carrier) | 2000 V | — | — | — | 56 mA |
| Class C Telephony (Anode Modulation) | 1500 V | — | — | — | 75 mA |
| Class C Telegraphy (Unmodulated) | 2000 V | — | — | — | 81 mA |
Application Notes
Max frequency for above ratings 15 Mc. Class B A.F. Modulator values for 2 valve balanced circuit.
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