6BL7GT
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BrandTUNG-SOL
ClassDouble Triode
BaseOctal
Filament6.3V @ 1.5mA
Construction
Primary TypeDouble Triode
EnvelopeGlass Bulb
Base MaterialShort Intermediate Shell
Sections2
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage500 V
Plate Dissipation10 W
Grid 1 Voltage-200 V
Cathode Current60 mA
H-C Voltage200 V
Audio Performance
Key Features
- High Perveance
- Low-Mu
- Independent Triodes
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 250V | 7000 | 2000 | 14 | 40mA |
| Vertical Deflection Amplifier | 450V | - | - | - | 11mA |
Application Notes
Suitable for use as a combined vertical deflection sweep generator and deflection amplifier in television receivers.
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