7ACP-
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BrandDu Mont
ClassCathode-Ray Tube
BaseJ1-22 bulb contact / B25-139 base
Filament6.3V @ 1800mA
Construction
Primary TypeElectrostatic CRT
EnvelopeRectangular Glass
Base MaterialPlastic
SectionsTriple beam
Filament / Heater
Heater NotesCommon heater for all three units
Absolute Maximum Ratings
Plate Voltage10500 V
Plate Dissipation6 W
Grid 2 Voltage3500 V
Grid 1 Voltage-300 V
H-C Voltage180 V
Audio Performance
Key Features
- Rectangular face
- Triple beam independent operation
- Electrostatic focus and deflection
- Post-acceleration
- Metal-backed screen
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard Post-Accelerator Operation | 9000V | - | - | - | 0.05mA |
Application Notes
The Du Mont Type 7ACP- is a 4 x 6 inch rectangular, three beam cathode-ray tube. Post-acceleration is used to obtain maximum deflection sensitivity with high brightness. Designed for optimum performance at Eb3/Eb2 ratio of 3.0.
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