Tube-number record
6149
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BrandSYLVANIA
ClassPentode
Filament6.3 V @ 600 mA
Construction
Primary TypePentode
EnvelopeT9
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation10 W
Grid 2 Voltage300 V
H-C Voltage200 V
Audio Performance
Key Features
- Sharp-cutoff pentode
- Designed for electronic computers
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Amplifier | 150 V | 9700 | 100000 | — | 34 mA |
| Pulse Amplifier | 150 V | — | — | — | 120 mA |
Application Notes
Suppressor grid connected to cathode at socket.
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