6LQ6
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BrandGeneral Electric
ClassBeam Pentode
BaseNovar 9-Pin
Filament6.3V @ 2300mA
Construction
Primary TypeBeam Pentode
EnvelopeT-12
Sections1
Filament / Heater
Heater NotesCoated Unipotential Cathode
Absolute Maximum Ratings
Plate Voltage990 V
Plate Dissipation30 W
Grid 2 Voltage220 V
Grid 1 Voltage-330 V
Cathode Current350 mA
H-C Voltage200 V
Audio Performance
Key Features
- Dark Heater
- High perveance
- Double-ended
- Temporary overload plate dissipation 200 Watts
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Bogey Condition 1 | 55V | 9600 | 5800 | - | 580mA |
| Bogey Condition 2 | 175V | 7500 | 7000 | - | 95mA |
| Triode Connection | - | - | - | 2.84 | - |
Application Notes
The 6LQ6 is especially useful as a horizontal-deflection amplifier tube in color-TV receivers and can withstand 200W dissipation for short periods to allow protection devices to function.
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