Tube-number record
6BH11
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BrandRCA
ClassMEDIUM-MU TWIN TRIODE—SHARP-CUTOFF PENTODE
BaseCompactron
Filament6.3 V @ 0.8 mA
Construction
Primary TypeOther / special
Envelope8B
Sections3
Filament / Heater
Heater Notesac/dc
Absolute Maximum Ratings
Plate Voltage350 V
Plate Dissipation2.5 W
Grid 2 Voltage330 V
Grid 1 Voltage-175 V
Cathode Current300 mA
H-C Voltage200 V
Audio Performance
Key Features
- Duodecar type
- used in horizontal-deflection service
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Unit | 125 V | 7500 | 200000 | — | 12 mA |
| Triode Unit | 125 V | 8500 | 5400 | 46 | 13.5 mA |
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