Tube-number record
6BQ7-A
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BrandGeneral Electric
ClassTwin Triode
BaseNoval (B9A)
Filament6.3 V @ 0.4 mA
Construction
Primary TypeDual triode
EnvelopeT-6 1/2
Base MaterialGlass
Sections2
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation2 W
Cathode Current20 mA
H-C Voltage200 V
Audio Performance
Key Features
- Miniature
- Medium-mu
- Cascode RF amplifier
- Internal shield
- High gain
- Low noise figure
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier (Each Section) | 150 V | 6400 | 5900 | 38 | 9 mA |
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