6BA11
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BrandSylvania
ClassMedium Mu Triode and Twin Pentode
BaseButton 12 Pin, E12-70
Filament6.3V @ 600mA
Construction
Primary TypeCompactron
EnvelopeT-9
SectionsTriode, Twin Pentode
Filament / Heater
Heater Notes11 Second Warm-up Time
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation1.5 W
Grid 2 Voltage150 V
Grid 1 Voltage-50 V
Cathode Current20 mA
H-C Voltage200 V
Audio Performance
Key Features
- Compactron T-9 Construction
- Vertical Deflection Oscillator
- Sync/AGC Amplifier
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Section | 250V | 1800 | - | 18 | 5mA |
| Pentode Section (Separate) | 100V | 1700 | - | - | - |
| Pentode Section (Both Sections Operating) | 100V | - | - | - | 2.5mA |
Application Notes
Pentode section designed for sync/AGC amplifier service; Triode section for vertical deflection oscillator.
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