6BD11
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BrandGeneral Electric
ClassCompactron Dissimilar-Double-Triode Pentode
Base12-Pin
Filament6.3V @ 1.05mA
Construction
Primary TypeDissimilar-Double-Triode Pentode
EnvelopeT9
Base MaterialGlass
SectionsHigh-mu triode (Section 1), Medium-mu triode (Section 2), Sharp-cutoff pentode
Filament / Heater
Heater NotesHeater voltage tolerance ± 0.6V
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation4 W
Grid 2 Voltage330 V
H-C Voltage200 V
Audio Performance
Key Features
- Compactron design
- Dissimilar Double Triode
- Sharp-cutoff Pentode
- Sync separator triode
- Video amplifier pentode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Section | 135V | 10400 | 45000 | - | 17mA |
| Triode Section 1 | 200V | 5500 | 12400 | 70 | 7mA |
| Triode Section 2 | 200V | 4400 | 9400 | 41 | 9.2mA |
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