Tube-number record
2057
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BrandGeneral Electric
ClassRF Power Amplifier Beam Pentode
BaseCompactron
Filament13 V @ 1300 mA
Construction
Primary TypeBeam tetrode / beam power
EnvelopeT-14
Base MaterialGlass
SectionsSingle
Filament / Heater
Heater NotesSuitable for mobile and marine applications having 12 volt battery supplies.
Absolute Maximum Ratings
Plate Voltage7500 V
Plate Dissipation40 W
Grid 2 Voltage250 V
Grid 1 Voltage-300 V
Cathode Current400 mA
H-C Voltage200 V
Audio Performance
Key Features
- Dual cathode and grid connections
- Low lead inductance
- T-14 Envelope
- Compactron design
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Average Characteristics | 250 V | 12000 | 6700 | 3.7 | 125 mA |
Application Notes
Designed primarily for RF power output applications in mobile and marine equipment.
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