Tube-number record
5DAP-
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BrandDu Mont
ClassCathode-Ray Tube
BaseCRT base (B12 family)
Filament6.3 V @ 0.6 mA
Construction
Primary TypeElectrostatic Focus and Deflection
EnvelopeGlass
Base MaterialMedium Shell Diheptal 12-pin
SectionsSingle beam
Filament / Heater
Heater NotesIndirectly heated cathode
Absolute Maximum Ratings
Plate Voltage15000 V
Plate Dissipation6 W
Grid 2 Voltage2700 V
Grid 1 Voltage-200 V
H-C Voltage180 V
Audio Performance
Key Features
- Linear post accelerator
- Spiral resistance winding
- High deflection sensitivities
- Pattern adjustment electrode
- Metal backing
- Astigmatism electrode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard | 12000 V | — | — | — | — |
Application Notes
The linear post accelerator extends from the tube face to the deflection plate region, allowing for a gradual voltage gradient. Ratio of post accelerator to accelerator voltage should be approximately 8.5 for optimum performance.
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