6LQ8
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BrandRCA
ClassTriode-Pentode
Base9-pin miniature
Filament6.3V @ 775mA
Construction
Primary TypeMedium-Mu Triode, Sharp-Cutoff Pentode
EnvelopeT6-1/2
Base MaterialSmall-Button Noval 9-Pin
Sections2
Filament / Heater
Heater NotesBogey value
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation5 W
Grid 2 Voltage300 V
H-C Voltage200 V
Audio Performance
Key Features
- RCA Dark Heater
- Frame-grid construction
- High Operating Efficiency
- Controlled knee characteristic
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Unit | 125V | 10400 | 4400 | 46 | 15mA |
| Pentode Unit (Condition 1) | 125V | 21000 | 55000 | - | 16.5mA |
| Pentode Unit (Condition 2) | 200V | 23000 | 75000 | - | 20mA |
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