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Tube-number record
7199
4 archive entries
BrandSylvania
ClassTriode-Pentode
BaseNoval (B9A)
Filament6.3 V @ 450 mA
Construction
Primary TypeMulti-section
EnvelopeT6 1/2
Sections2
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation3 W
Grid 2 Voltage330 V
H-C Voltage200 V
Audio Performance
Key Features
- Low hum and noise output
- High Fidelity audio applications
- Phase inverter triode
- Preamplifier pentode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Section | 215 V | 2100 | 8100 | 17 | 9 mA |
| Pentode Section (Case 1) | 100 V | 1500 | 1000000 | — | 1.1 mA |
| Pentode Section (Case 2) | 220 V | 7000 | 400000 | — | 12.5 mA |
Application Notes
The pentode section is particularly suited to preamplifier service while the triode section is intended for use as a phase inverter.
Datasheets
Datasheet: 7199.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
