4094-A
0 Tubes in archive
BrandStandard Valves
ClassTriode
BaseLarge 4-pin bayonet
Construction
Primary TypeTriode
EnvelopeHard glass bulb
Sections1
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage1250 V
Plate Dissipation85 W
Cathode Current150 mA
Audio Performance
Power Output200 W
Key Features
- Thoriated tungsten filament
- Molybdenum anode
- Hard glass bulb
- Constant voltage filament type
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Constants | 1000V | 4000 | 9300 | 37 | 30mA |
| Class B A.F. Amp (Max Signal) | 1250V | - | - | - | 150mA |
| Class C Telegraphy | 1250V | - | - | - | 150mA |
Application Notes
This valve should be mounted so that the plane of the filament is vertical.
Sort by
Showing 1 to 0 of 0 results