Tube-number record
6B8GT
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BrandTUNG-SOL
ClassDuo-Diode Pentode Amplifier
BaseOctal
Filament6.3 V @ 0.3 mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsTriple (Two Diodes, One Pentode)
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation3 W
Grid 2 Voltage300 V
Audio Performance
Key Features
- Coated Unipotential Cathode
- Miniature Cap
- Common Cathode for all units
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier (Pentode Unit) | 250 V | 1325 | 600000 | — | 10 mA |
Application Notes
Designed for service as a combined detector, AVC rectifier and a pentode amplifier.
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