Tube-number record
6AX8
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BrandTUNG-SOL
ClassTriode-Pentode
BaseNoval (B9A)
Filament6.3 V @ 450 mA
Construction
Primary TypeMulti-section
EnvelopeT-6 1/2
Base MaterialGlass
Sections2
Filament / Heater
Heater NotesCoated Unipotential Cathodes
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation2.8 W
Grid 2 Voltage300 V
H-C Voltage90 V
Audio Performance
Key Features
- Miniature Type
- Coated Unipotential Cathodes
- Any Mounting Position
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Unit Class A | 150 V | 8500 | 5000 | 40 | 18 mA |
| Pentode Unit Class A | 250 V | 4800 | 400000 | — | 10 mA |
Application Notes
Specifically designed for Video Amplifier and Sync Separator service in T.V. receivers.
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