Tube-number record
6K6-GT
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BrandGeneral Electric
ClassPentode
BaseOctal
Filament6.3 V @ 400 mA
Construction
Primary TypePentode
EnvelopeT-9 Glass
Base MaterialIntermediate Shell Octal
SectionsSingle
Filament / Heater
Heater NotesA-C or D-C
Absolute Maximum Ratings
Plate Voltage315 V
Plate Dissipation8.5 W
Grid 2 Voltage285 V
Grid 1 Voltage-250 V
Cathode Current25 mA
H-C Voltage200 V
Audio Performance
Typical THD11%
Power Output3.4 W
Key Features
- Power-amplifier pentode
- Television vertical deflection amplifier capable
- Coated unipotential cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 100 V | 1500 | 104000 | — | 9 mA |
| Class A Amplifier | 250 V | 2300 | 90000 | — | 32 mA |
| Class A Amplifier | 315 V | 2100 | 110000 | — | 25.5 mA |
Application Notes
Designed for use in the audio-frequency power output stage of television and radio receivers. Electrically identical to type 41.
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