Tube-number record
6MQ8
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BrandRCA
ClassTriode-Pentode
BaseNoval (B9A)
Filament6.3 V @ 535 mA
Construction
Primary TypeMulti-section
EnvelopeT6-1/2
Base MaterialSmall-Button Noval
Sections2
Filament / Heater
Heater NotesTolerance ± 10%
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation2.7 W
Grid 2 Voltage330 V
H-C Voltage200 V
Audio Performance
Key Features
- Medium-Mu Triode
- Sharp-Cutoff Pentode
- Internal Shield
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Unit | 150 V | 8500 | 5000 | 40 | 18 mA |
| Pentode Unit | 125 V | 10000 | 150000 | — | 12 mA |
Application Notes
For use as a general-purpose amplifier tube in color and black-and-white TV receivers.
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