50A1
0 Tubes in archive
BrandSylvania
ClassBallast Tube
BaseMiniature Button 9-Pin
Construction
Primary TypeGas-filled
EnvelopeT-6 1/2
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage65 V
Cathode Current58 mA
Audio Performance
Key Features
- Gas-filled ballast tube
- Maintains relatively constant current
- Radiation cooling
- Miniature 9-pin base
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Average Operating Point 1 | 30V | - | - | - | 52mA |
| Average Operating Point 2 | 50V | - | - | - | 54mA |
| Average Operating Point 3 | 65V | - | - | - | 56mA |
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