6FV8
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BrandGeneral Electric
ClassTriode-Pentode
BaseSmall Button 9-Pin
Filament6.3V @ 0.45mA
Construction
Primary TypeTriode-Pentode
EnvelopeT-6 1/2
Base MaterialGlass
SectionsTwo
Filament / Heater
MaterialCoated Unipotential
Warm-up Time11s
Heater NotesHeater warm-up time: 11 seconds
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation2.3 W
Grid 2 Voltage330 V
Cathode Current20 mA
H-C Voltage200 V
Audio Performance
Key Features
- Sharp-cutoff pentode
- Medium-mu triode
- Designed for vertical-deflection oscillator and IF amplifier use
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Section | 125V | 6500 | 200000 | - | 12mA |
| Triode Section | 125V | 8000 | 5000 | 40 | 14mA |
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