Tube-number record
6LB8
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BrandSYLVANIA
ClassReceiving Tube
BaseNoval (B9A)
Filament6.32 V @ 725 mA
Construction
Primary TypeMulti-section
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 | 125 V | 5000 | 6000 | 30 | 13 mA |
| Pentode Section | 200 V | 20000 | 50000 | — | 17 mA |
Datasheets
Datasheet: 6LB8.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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