6L6GB
1 Tube in archive
BrandTUNG-SOL
ClassBEAM PENTODE
BaseOCTAL
Filament6.3V @ 0.9mA
Construction
Primary TypeBeam Pentode
EnvelopeGlass
Base MaterialMedium Shell
SectionsSingle
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage400 V
Plate Dissipation22 W
Grid 2 Voltage300 V
H-C Voltage200 V
Audio Performance
Typical THD10%
Power Output6.5 W
Key Features
- High power sensitivity
- High efficiency
- Low harmonic distortion
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier - Pentode | 250V | 6000 | 22600 | - | 72mA |
| Class A1 Amplifier - Pentode (Set 2) | 300V | 5300 | 35000 | - | 48mA |
| Class A1 Amplifier - Triode Connection | 250V | 4700 | 1700 | - | 40mA |
Application Notes
Designed for service in the output stages of AC receivers.
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