Tube-number record
942
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942 is a tube type in the TubeDatabase archive (class: Subminiature Pentode). Recorded specifications: construction Pentode and maximum plate voltage 90 V. The archive does not yet hold a photographed example of this type.
ClassSubminiature Pentode
Construction
Primary TypePentode
EnvelopeSubminiature
Sections1
Filament / Heater
MaterialCoated
Absolute Maximum Ratings
Plate Voltage90 V
Grid 2 Voltage90 V
Audio Performance
Key Features
- Subminiature
- Filamentary
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical | 90 V | 424 | 1000000 | — | 1.1 mA |
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