Tube-number record
B1-0,1/30
0 archive entries
B1-0,1/30 is a tube type in the TubeDatabase archive (class: Rectifier). Recorded specifications: construction Rectifier, maximum plate voltage 30000 V, and maximum plate dissipation 60 W. The archive does not yet hold a photographed example of this type.
ClassRectifier
Construction
Primary TypeRectifier
Rectifier TypeVacuum
EnvelopeGlass
SectionsSingle
Filament / Heater
Materialcarbonized tungsten
Absolute Maximum Ratings
Plate Voltage30000 V
Plate Dissipation60 W
Cathode Current400 mA
Audio Performance
Key Features
- High-voltage
- Directly heated
- Carbonized tungsten cathode
- Glass envelope
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Peak Emission | 1000 V | — | — | — | 800 mA |
| Steady Emission | 300 V | — | — | — | 290 mA |
| Peak emission over 500 h | 1000 V | — | — | — | 500 mA |
Application Notes
Designed for rectification of high-voltage alternating current.
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