6CM5
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BrandRogers Majestic Electronics, Ltd.
ClassOutput Pentode
BaseB7-59
Filament6.3V @ 1250mA
Construction
Primary TypePentode
EnvelopeT9
SectionsSingle
Filament / Heater
Heater NotesHeater current 1.25A normalized to 1250mA.
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation10 W
Grid 2 Voltage250 V
Grid 1 Voltage-1000 V
Cathode Current200 mA
H-C Voltage100 V
Audio Performance
Typical THD7.2%
Power Output44.5 W
Key Features
- Output pentode
- Line output tube in television receivers
- Coated unipotential cathode
- High peak plate voltage
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Characteristics | 100V | 14000 | 5300 | 6 | 100mA |
| Class B Amplifier (Two tubes) | 300V | - | - | - | 100mA |
Application Notes
For line time base circuits where the pulse duration is max. 18% of a cycle with a max. of 18 µsec. During the heating time of the booster the grid 2 dissipation is max. 7 watts.
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