C12FM
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BrandBrimar
ClassCathode Ray Tube
BaseB12A
Filament6.3V @ 0.3mA
Construction
Primary TypeTetrode Gun
EnvelopeMagnetic Teletube
SectionsSingle
Filament / Heater
Heater NotesUnder series operated conditions the maximum heater voltage must not exceed 7.5 volts RMS.
Absolute Maximum Ratings
Plate Voltage9000 V
Grid 2 Voltage350 V
Cathode Current0.175 mA
H-C Voltage150 V
Audio Performance
Key Features
- Tetrode Gun
- Ion Trap
- External Conductive Coating
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Operating Characteristics | 7000V | - | - | - | - |
Application Notes
The magnet should be located on the neck with the arrow pointing towards the screen and along the line marked on the neck. Adjust for optimum brightness.
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