Specialized - Cathode Ray ·CathodeRay
Twenty-one-inch direct-view monochrome television picture tube with magnetic deflection and a P4 display screen. Manufacturer documentation places it in the high-voltage receiver CRT family, with construction optimized for bright rectangular picture presentation.
Twenty-one-inch direct-view rectangular television cathode-ray tube with electrostatic focus and magnetic deflection.
Duodecal 12-contact
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
1 physical section, each with unique specifications.
Section 1
CRT accelerator/final-anode maximum mapped to MaxPlateVoltage.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
Heater voltage
6.3 V
Heater current
600 mA
Typical anode/accelerator voltage
18000 V
Maximum heater-cathode voltage
200 V
Heater positive to cathode
Focusing method
Electrostatic
Deflection method
Magnetic
Deflection angle
85 deg
Cathode to all other electrodes capacitance
5 pF