Tube-number record
7B6
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BrandSylvania
ClassDUODIODE HIGH-MU TRIODE
BaseLoctal
Filament7 V @ 0.32 mA
Construction
Primary TypeTriode
EnvelopeT9
SectionsTriode, 2 Diodes
Filament / Heater
Heater NotesNominal ratings; Typical operation uses 6.3V
Absolute Maximum Ratings
Plate Voltage300 V
H-C Voltage90 V
Audio Performance
Key Features
- Detector audio amplifier service
- Common cathode structure
- Independent diodes
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Section | 100 V | 900 | 110000 | 100 | 0.4 mA |
| Triode Section | 250 V | 1100 | 91000 | 100 | 0.9 mA |
Application Notes
Suitable for detector audio amplifier service in AC or auto receivers. For AC-DC receivers, types 7C6 or 14B6 with lower heater current are recommended.
Datasheets
Datasheet: 7B6.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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