Tube-number record
6BQ7
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BrandTUNG-SOL
ClassDOUBLE TRIODE
BaseNoval (B9A)
Filament6.3 V @ 400 mA
Construction
Primary TypeDual triode
EnvelopeT-6.5
Base MaterialGlass
Sections2
Filament / Heater
Heater NotesLimits: 6.3 +/- 0.6 Volts
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation2 W
Cathode Current20 mA
H-C Voltage200 V
Audio Performance
Key Features
- High transconductance
- Low interelectrode capacitances
- Shielding between sections
- Low tube noise
- Good stability
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 150 V | 6000 | 5800 | 35 | 9 mA |
Application Notes
For use as VHF voltage amplifier in grounded-cathode/grounded-grid output or cascode circuits.
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