6LB8
0 Tubes in archive
BrandSYLVANIA
ClassReceiving Tube
Base9-Pin Miniature
Filament6.32V @ 725mA
Construction
Primary TypeTriode-Pentode
EnvelopeT-9
Base MaterialGlass
SectionsTriode, Sharp Cutoff Pentode
Filament / Heater
Heater NotesParallel Operation
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation4 W
Grid 2 Voltage330 V
H-C Voltage200 V
Audio Performance
Key Features
- Strap frame grid
- Sharp cutoff pentode
- Medium mu triode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Section | 125V | 5000 | 6000 | 30 | 13mA |
| Pentode Section | 200V | 20000 | 50000 | - | 17mA |
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