Tube-number record
12ASP
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BrandGeneral Electric
ClassCathode Ray Tube
BaseCRT base (B12 family)
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
Envelope12-Inch Round Glass
Base MaterialMedium Shell Dihepthal
SectionsSingle Gun
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage8000 V
Plate Dissipation6 W
Grid 2 Voltage700 V
Grid 1 Voltage-300 V
H-C Voltage180 V
Audio Performance
Key Features
- Post-acceleration
- Aluminized screen
- Low undesirable screen charging
- Prevention of ion-spot blemish
- High brightness
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 4100 V | — | — | — | — |
Application Notes
The 12ASP is a cathode ray tube for radar and oscillographic applications featuring post-acceleration to assure maximum deflection sensitivity.
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