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30C12

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BrandMAZDA
ClassCathode Ray Tube
BaseB12D
Filament4V @ 720mA

Construction

Primary TypeAll Electrostatic CRT
EnvelopeGlass
Base MaterialPlastic
SectionsSingle

Filament / Heater

Heater NotesIndirectly heated

Absolute Maximum Ratings

Plate Voltage4000 V
Grid 2 Voltage1000 V
Grid 1 Voltage-500 V

Audio Performance

Key Features
  • Precision constructed instrument
  • Bearing error not exceeding +/- 1 degree
  • Centre cross and mark provided
  • Suitable for Pulse D.F. systems

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Normal Operation2200V----

Application Notes

The tube is suitable for use in 'Pulse D.F.' systems and may be supplied with any standard phosphor screens. Anode 2 voltage for focus decreases with increase of beam current.

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