6CH6
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BrandBrimar
ClassVideo Amplifier Pentode
BaseB9A (Noval)
Filament6.3V @ 750mA
Construction
Primary TypeHigh Slope Pentode
EnvelopeT6½
Base MaterialGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage275 V
Plate Dissipation12 W
Grid 2 Voltage275 V
Cathode Current65 mA
H-C Voltage90 V
Audio Performance
Typical THD8.5%
Power Output3 W
Key Features
- Miniature construction
- High slope
- Beam confining plates
- Video amplifier
- AF power output stage
- Triode connected cathode follower
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode | 250V | 11000 | 50000 | 26 | 40mA |
| Triode | 250V | 13000 | 1870 | 25.8 | 46mA |
Application Notes
The valve is eminently suited for use as a triode connected cathode follower amplifier having a low output impedance. No positive DC grid current should be allowed to flow. Not recommended for use as a Class B or C amplifier, or as a frequency multiplier.
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