Tube-number record
13971
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BrandGeneral Electric
ClassPlanar Triode
Filament6.3 V @ 550 mA
Construction
Primary TypeTriode
EnvelopeCeramic and Metal
Base MaterialMetal
SectionsSingle
Filament / Heater
Heater NotesBogey values; voltage range 6.0-6.6V
Absolute Maximum Ratings
Plate Voltage2500 V
Plate Dissipation6.5 W
Grid 1 Voltage100 V
Cathode Current2000 mA
H-C Voltage50 V
Audio Performance
Key Features
- Planar triode
- Ceramic and metal construction
- Plate-pulsed oscillator
- Zero bias operation
- Long life broadbanded amplifier
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Static Test Conditions | 200 V | 25000 | — | 58 | 23 mA |
| Plate-Pulsed Oscillator Service (1200 MHz) | 1500 V | — | — | — | 1500 mA |
Application Notes
Designed primarily for zero bias operation in long life broadbanded amplifier chains. Heater voltage should be centered at bogey value.
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