30C8
0 Tubes in archive
BrandMAZDA
ClassCathode Ray Tube
Filament4V @ 720mA
Construction
Primary TypeElectrostatic CRT
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage4000 V
Grid 2 Voltage1000 V
Audio Performance
Key Features
- All electrostatic deflection
- Compass scale affixed externally
- Precision calibrated
- Green phosphor (P1)
- High beam current gun system
Application Notes
Specifically designed for Radio D.F. Compass systems. Precision constructed to provide bearings with an error not exceeding 1%. Standard cardinal bearings (N, S, E, W) are accurate to 0.25 degrees.
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