Tube-number record
3BFP
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BrandAllen B. Du Mont Laboratories, Inc.
ClassCathode-Ray Tube
BaseCRT base (B12 family)
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
Envelope3-inch Flat Face Glass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage3500 V
Plate Dissipation6 W
Grid 2 Voltage1250 V
Grid 1 Voltage-200 V
H-C Voltage180 V
Audio Performance
Key Features
- Linear post accelerator
- Flat face
- High deflection sensitivity
- Compact transistorized equipment compatibility
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 1500 V | — | — | — | — |
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