6EA7
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BrandGeneral Electric
ClassDissimilar Double Triode
BaseOctal
Filament6.3V @ 1050mA
Construction
Primary TypeDissimilar Double Triode
EnvelopeT-9
Base MaterialGlass
Sections2
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage550 V
Plate Dissipation10 W
Grid 1 Voltage400 V
Cathode Current50 mA
H-C Voltage200 V
Audio Performance
Key Features
- Dissimilar double triode
- High-mu oscillator triode
- Low-mu high-perveance amplifier triode
- TV Vertical-Deflection service
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Section 1 (Oscillator) | 250V | 1900 | 34000 | 65 | 1.5mA |
| Section 2 (Amplifier - Test Point A) | 60V | - | - | - | 95mA |
| Section 2 (Amplifier - Test Point B) | 175V | 6500 | 770 | 5 | 48mA |
Application Notes
Section one intended for oscillator service; Section two intended for vertical-deflection amplifier service.
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