38A3
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BrandRogers Majestic Electronics, Ltd.
ClassSingle anode mains rectifying tube
BaseE9-1
Filament38V @ 100mA
Construction
Primary TypeDiode
Rectifier TypeHalf-wave
EnvelopeT6.5
Sections1
Filament / Heater
Heater NotesCoated unipotential
Absolute Maximum Ratings
Cathode Current110 mA
H-C Voltage550 V
Audio Performance
Key Features
- Unipotential cathode
- Mounting position Any
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Mains 110V | 112V | - | - | - | 110mA |
| Mains 127V | 135V | - | - | - | 110mA |
| Mains 220V | 215V | - | 90 | - | 110mA |
| Mains 250V | 245V | - | 100 | - | 110mA |
Application Notes
Single anode mains rectifying tube. Heater current is 0.1 amp.
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