Tube-number record
23 AX P4
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BrandMAZDA
ClassCathode Ray Tube
BaseSpecial / none
Filament6.3 V @ 300 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialPlastic
Sections1
Filament / Heater
Warm-up Time4s
Heater NotesIndirect heating
Absolute Maximum Ratings
Plate Voltage20000 V
Grid 2 Voltage700 V
H-C Voltage200 V
Audio Performance
Key Features
- Aluminized screen
- 110 degree deflection
- Electrostatic focusing
- Magnetic deflection
- No ion trap
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode Modulation | 16000 V | — | — | — | 0.015 mA |
Application Notes
Monochrome cathoscope with 110 degree deflection and clear screen without autoprotection.
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