6GF7-A
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BrandGeneral Electric
ClassDissimilar Double Triode
BaseButton 9-Pin
Filament6.3V @ 985mA
Construction
Primary TypeTriode
EnvelopeT-9
Base MaterialGlass
SectionsDissimilar Double Triode
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation11 W
Grid 1 Voltage400 V
Cathode Current50 mA
H-C Voltage200 V
Audio Performance
Key Features
- Dissimilar Double Triode
- Color TV Type
- T-9 Envelope
- High-mu triode (Section 1)
- Low-mu, high-perveance triode (Section 2)
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Section 1 (Oscillator) | 250V | 1600 | 40000 | 64 | 1.4mA |
| Section 2 (Amplifier) | 150V | 7200 | 750 | 5.4 | 50mA |
Application Notes
Designed for use as a combined vertical-deflection oscillator and amplifier in television receivers.
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