Tube-number record
6T6
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BrandRogers Radio Tubes Limited
ClassHigh Transconductance R. F. Pentode
BaseOctal
Filament6.3 V @ 450 mA
Construction
Primary TypePentode
EnvelopeT9 Metal Spray
SectionsSingle
Filament / Heater
Heater NotesUnipotential cathode
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation4 W
Grid 2 Voltage200 V
Grid 1 Voltage-1 V
Audio Performance
Key Features
- High Transconductance
- Metal Spray Shield
- Miniature Metal Cap
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A | 250 V | 5500 | 1000000 | — | 10 mA |
Application Notes
Suppressor grid (G3) is internally connected to cathode (K). Grid bias of -7.5V results in transconductance of 5 µmhos.
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