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A 49-220 X

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BrandMAZDA BELVU
ClassColor Television Picture Tube
BaseB12-244
Filament6.3V @ 900mA

Construction

Primary TypeShadow-mask (masque perforé)
EnvelopeGlass, 90° deflection
SectionsTriple (3 electron guns)

Filament / Heater

Heater NotesFilaments connected in series

Absolute Maximum Ratings

Plate Voltage27500 V
Grid 2 Voltage1000 V
Grid 1 Voltage-400 V
Cathode Current0.75 mA
H-C Voltage200 V

Audio Performance

Key Features
  • Perma-Chrome thermal compensation
  • Aluminized screen
  • P22 High efficiency phosphors
  • Integral protection

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Example25000V----

Application Notes

Recommended heater voltage regulation at 6.3V for maximum cathode life. Horizontal mounting position recommended.

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