Tube-number record
5B/110M
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BrandStandard Telephones and Cables
ClassCoaxial Repeater Pentode
Filament6.3 V @ 800 mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly-heated oxide-coated
Absolute Maximum Ratings
Plate Voltage250 V
Grid 2 Voltage150 V
Audio Performance
Typical THD5%
Power Output2 W
Key Features
- Indirectly-heated cathode
- Coaxial repeater application
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode | 250 V | 6500 | — | — | 38 mA |
Application Notes
Specifically designed as a pentode for coaxial repeater systems.
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