Tube-number record
23DAP4
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BrandRCA
ClassPicture Tube
BaseCRT base (B7 family)
Filament6.3 V @ 600 mA
Construction
Primary TypeRectangular Glass
EnvelopeJ187 Hx
Base MaterialGlass
Sections1
Filament / Heater
Warm-up Time11s
Heater NotesWarm-up time 11 seconds
Absolute Maximum Ratings
Plate Voltage23000 V
Grid 2 Voltage70 V
H-C Voltage200 V
Audio Performance
Key Features
- Aluminized screen
- Low-voltage electrostatic focus
- 94° magnetic deflection
- Low-Grid-No.2-Voltage Type
- Cathode-Drive Operation
- Filterglass faceplate
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode-Drive Service | 18000 V | — | — | — | — |
Application Notes
The grid-No.4 voltage required for optimum focus of any individual tube will have a value anywhere between -100 and +300 volts.
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