7BRP-
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BrandDu Mont
ClassCathode-Ray Tube
BaseB25-139 / 22-pin Collar Base
Filament6.3V @ 600mA
Construction
Primary TypeCRT
Envelope7-inch diagonal square face
SectionsFive beam
Filament / Heater
Absolute Maximum Ratings
Plate Voltage7700 V
Plate Dissipation6 W
Grid 2 Voltage3850 V
Grid 1 Voltage-200 V
Cathode Current1 mA
H-C Voltage180 V
Audio Performance
Key Features
- Five beam
- Post accelerator
- Electrostatic deflection
- Electrostatic focus
- Square face
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Five beam operation | 4000V | - | - | - | - |
Application Notes
Designed for optimum performance at Eb3/Eb2 ratio of 2.0. Accelerator power input should be limited to 6 Watts.
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