Specialized - Cathode Ray vacuum tubes

CathodeRay

Twenty-inch cathode-ray display tube listed without an available manufacturer datasheet in this pass. The supplied source set does not support reliable claims about focusing, deflection, phosphor behavior, or a more specific functional application.

Base

Not recorded

Socket

Not recorded

Heater

2.5 V

Sections

1

CathodeRay

Twenty-inch P4 cathode-ray display tube listed without an available manufacturer datasheet in this pass. A more specific television classification is withheld because no manufacturer source is available here to establish its intended service.

Base

Not recorded

Socket

Not recorded

Heater

2.5 V

Sections

1

CathodeRay

Twenty-inch cathode-ray display tube listed without an available manufacturer datasheet in this pass. Its functional application and detailed optical or electron-optical characteristics cannot be established reliably from the supplied source set.

Base

Not recorded

Socket

Not recorded

Heater

2.5 V

Sections

1

CathodeRay

Twenty-inch direct-view television picture tube with P4 white phosphor and published electrical, optical, capacitance, and operating data. Tung-Sol documentation identifies a conventional high-voltage monochrome receiver display.

Base

Not recorded

Socket

DUODECAL5

Heater

6.3 V

Sections

1

CathodeRay

Twenty-inch direct-view television picture tube with magnetic focusing, magnetic deflection, and a P4 white screen. Published high-voltage operating data reach about 18 kV for bright monochrome receiver display.

Base

12D

Socket

DUODECAL5

Heater

6.3 V

Sections

1

CathodeRay

Twenty-inch direct-view television picture tube with magnetic focusing and deflection and a P4 white phosphor screen. Its high-voltage anode system is rated to approximately 18 kV for monochrome receiver presentation.

Base

12N

Socket

B12D

Heater

6.3 V

Sections

1

CathodeRay

Twenty-inch direct-view television picture tube with magnetic focusing, magnetic deflection, and a P4 white screen. Tung-Sol documentation gives high-voltage CRT operation with an anode rating around 14 kV.

Base

Not recorded

Socket

B12D

Heater

6.3 V

Sections

1

CathodeRay

Twenty-inch direct-view television picture tube with magnetic focusing and magnetic deflection. Its P4 white screen and approximately 14 kV anode capability provide conventional monochrome receiver display.

Base

Not recorded

Socket

B12D

Heater

6.3 V

Sections

1

CathodeRay

Twenty-inch P4 television picture tube with magnetic focusing and deflection. Published high-voltage operating data place the anode rating around 14 kV, supporting direct-view monochrome receiver service.

Base

Not recorded

Socket

B12D

Heater

6.3 V

Sections

1

CathodeRay

Twenty-inch direct-view television picture tube with magnetic focusing, magnetic deflection, and a P4 white phosphor screen. Its anode is rated to about 18 kV for bright monochrome picture presentation.

Base

Not recorded

Socket

DUODECAL5

Heater

5.3 V

Sections

1

CathodeRay

Twenty-inch direct-view television picture tube with magnetic focusing and deflection and a P4 white screen. High-voltage anode operation reaches approximately 18 kV, with radiation production explicitly recorded for this variant.

Base

12N

Socket

B12D

Heater

6.3 V

Sections

1

CathodeRay

Twenty-inch P4 direct-view television picture tube with magnetic focusing and magnetic deflection. Manufacturer documentation gives an anode rating around 18 kV for conventional high-brightness monochrome receiver display.

Base

Not recorded

Socket

DUODECAL5

Heater

5.3 V

Sections

1

CathodeRay

Twenty-inch direct-view television picture tube using magnetic focusing and magnetic deflection. Its P4 white screen and approximately 18 kV anode capability are characteristic of monochrome receiver picture service.

Base

Not recorded

Socket

B12D

Heater

5.3 V

Sections

1

CathodeRay

Twenty-inch direct-view television picture tube with electrostatic focusing, magnetic deflection, and a P4 white phosphor screen. Tung-Sol documentation specifies high-voltage operation to approximately 15 kV.

Base

Not recorded

Socket

DUODECAL5

Heater

6.3 V

Sections

1

CathodeRay

Twenty-inch direct-view television picture tube with electrostatic focusing and magnetic deflection. Its P4 white screen operates with an anode rating around 14 kV for monochrome receiver display.

Base

Not recorded

Socket

DUODECAL5

Heater

6.3 V

Sections

1

CathodeRay

Twenty-inch direct-view P4 television picture tube with low-voltage electrostatic focusing and magnetic deflection. Published high-voltage CRT data give an anode rating around 16 kV for monochrome picture presentation.

Base

Not recorded

Socket

DUODECAL5

Heater

6.3 V

Sections

1

CathodeRay

Twenty-inch direct-view television picture tube with low-voltage electrostatic focusing, magnetic deflection, and a P4 white screen. Its anode is rated around 16 kV, with radiation production explicitly recorded for this variant.

Base

12L

Socket

B12D

Heater

6.3 V

Sections

1

CathodeRay

Twenty-inch direct-view monochrome television picture tube with magnetic deflection and a white P4 screen. Manufacturer data specifies high-voltage CRT operation and focusing characteristics for large-screen receiver display service.

Base

Not recorded

Socket

B12D

Heater

6.3 V

Sections

1

CathodeRay

Twenty-inch direct-view monochrome television picture tube with magnetic deflection and a white P4 screen. Manufacturer data specifies high-voltage CRT operation and focusing characteristics for large-screen receiver display service.

Base

Not recorded

Socket

DUODECAL6

Heater

6.3 V

Sections

1

CathodeRay

Twenty-inch direct-view monochrome television picture tube with magnetic deflection and a white P4 screen. Manufacturer data specifies high-voltage CRT operation and focusing characteristics for large-screen receiver display service.

Base

Not recorded

Socket

B12D

Heater

6.3 V

Sections

1

CathodeRay

Twenty-inch direct-view monochrome television picture tube with magnetic deflection and a white P4 screen. Manufacturer data specifies high-voltage CRT operation and focusing characteristics for large-screen receiver display service.

Base

Not recorded

Socket

DUODECAL5

Heater

6.3 V

Sections

1

CathodeRay

Russian cathode-ray display tube for dual-color waveform display, with green and orange screen and 6.3 V heater.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twenty-inch direct-view monochrome television picture tube with magnetic deflection and a white P4 screen. Manufacturer data specifies high-voltage CRT operation and focusing characteristics for large-screen receiver display service.

Base

12L

Socket

DUODECAL5

Heater

6.3 V

Sections

1

CathodeRay

Twenty-inch direct-view monochrome television picture tube with magnetic deflection and a white P4 screen. Manufacturer data specifies high-voltage CRT operation and focusing characteristics for large-screen receiver display service.

Base

Not recorded

Socket

B12D

Heater

6.3 V

Sections

1

CathodeRay

Twenty-inch direct-view monochrome television picture tube with magnetic deflection and a white P4 screen. Manufacturer data specifies high-voltage CRT operation and focusing characteristics for large-screen receiver display service.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twenty-inch direct-view monochrome television picture tube with magnetic deflection and a white P4 screen. Manufacturer data specifies high-voltage CRT operation and focusing characteristics for large-screen receiver display service.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twenty-one-inch television monitor CRT with low-voltage electrostatic focus, magnetic deflection, and 90-degree scanning. Its white short-persistence T-type screen and high-voltage operation are suited to direct-view monitor and television display service.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twenty-one-inch radar display CRT with magnetic focusing and magnetic deflection through approximately 90 degrees. Its orange H-type phosphor has very long persistence, retaining radar traces and echoes for extended viewing.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twenty-one-inch direct-view monochrome television picture tube designed for large-screen receiver service. Manufacturer data documents its magnetic scanning system, high-voltage operation, and picture-tube optical and electrical characteristics.

Base

12N

Socket

B12D

Heater

6.3 V

Sections

1

CathodeRay

Twenty-one-inch direct-view monochrome television picture tube designed for large-screen receiver service. Manufacturer data documents its magnetic scanning system, high-voltage operation, and picture-tube optical and electrical characteristics.

Base

12N

Socket

B12D

Heater

6.3 V

Sections

1

CathodeRay

21-inch television picture cathode-ray tube.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twenty-one-inch direct-view monochrome television picture tube designed for large-screen receiver service. Manufacturer data documents its magnetic scanning system, high-voltage operation, and picture-tube optical and electrical characteristics.

Base

12L

Socket

B12D

Heater

6.3 V

Sections

1

CathodeRay

Twenty-one-inch direct-view monochrome television picture tube designed for large-screen receiver service. Manufacturer data documents its magnetic scanning system, high-voltage operation, and picture-tube optical and electrical characteristics.

Base

Not recorded

Socket

B12D

Heater

6.3 V

Sections

1

CathodeRay

Twenty-one-inch direct-view monochrome television picture tube designed for large-screen receiver service. Manufacturer data documents its magnetic scanning system, high-voltage operation, and picture-tube optical and electrical characteristics.

Base

Not recorded

Socket

B12D

Heater

6.3 V

Sections

1

CathodeRay

Twenty-one-inch direct-view picture tube with magnetic focusing and magnetic deflection and a metal-backed P23 screen. Designed for high-voltage display service, its manufacturer documentation includes an X-ray radiation warning.

Base

12N

Socket

DUODECAL5

Heater

6.3 V

Sections

1

CathodeRay

Twenty-one-inch direct-view monochrome television picture tube designed for large-screen receiver service. Manufacturer data documents its magnetic scanning system, high-voltage operation, and picture-tube optical and electrical characteristics.

Base

Not recorded

Socket

B12D

Heater

6.3 V

Sections

1

CathodeRay

Twenty-one-inch direct-view monochrome television picture tube designed for large-screen receiver service. Manufacturer data documents its magnetic scanning system, high-voltage operation, and picture-tube optical and electrical characteristics.

Base

Not recorded

Socket

B12D

Heater

6.3 V

Sections

1

CathodeRay

Twenty-one-inch direct-view monochrome television picture tube designed for large-screen receiver service. Manufacturer data documents its magnetic scanning system, high-voltage operation, and picture-tube optical and electrical characteristics.

Base

12N

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twenty-one-inch direct-view monochrome television picture tube designed for large-screen receiver service. Manufacturer data documents its magnetic scanning system, high-voltage operation, and picture-tube optical and electrical characteristics.

Base

Not recorded

Socket

B12D

Heater

6.3 V

Sections

1

CathodeRay

Twenty-one-inch direct-view monochrome television picture tube designed for large-screen receiver service. Manufacturer data documents its magnetic scanning system, high-voltage operation, and picture-tube optical and electrical characteristics.

Base

Not recorded

Socket

B12D

Heater

6.3 V

Sections

1

CathodeRay

Twenty-one-inch direct-view monochrome television picture tube designed for large-screen receiver service. Manufacturer data documents its magnetic scanning system, high-voltage operation, and picture-tube optical and electrical characteristics.

Base

Not recorded

Socket

B12D

Heater

6.3 V

Sections

1

CathodeRay

Twenty-one-inch direct-view monochrome television picture tube designed for large-screen receiver service. Manufacturer data documents its magnetic scanning system, high-voltage operation, and picture-tube optical and electrical characteristics.

Base

Not recorded

Socket

B12D

Heater

0.3 V

Sections

1

CathodeRay

Twenty-one-inch direct-view monochrome television picture tube designed for large-screen receiver service. Manufacturer data documents its magnetic scanning system, high-voltage operation, and picture-tube optical and electrical characteristics.

Base

Not recorded

Socket

B12D

Heater

0.3 V

Sections

1

CathodeRay

Twenty-one-inch direct-view all-glass television picture tube with magnetic focus and magnetic deflection. It provides a large rectangular picture and uses integral ion-trap and focusing assemblies, gray face glass, and high-voltage operation for monochrome receiver service.

Base

12N

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twenty-one-inch direct-view all-glass television picture tube with magnetic focus and magnetic deflection. It provides a large rectangular picture and uses an integral magnetic focusing unit requiring no external ion-trap magnet, gray face glass, and high-voltage operation for monochrome receiver service.

Base

12N

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twenty-one-inch direct-view monochrome television picture tube designed for large-screen receiver service. Manufacturer data documents its magnetic scanning system, high-voltage operation, and picture-tube optical and electrical characteristics.

Base

Not recorded

Socket

B12D

Heater

6.3 V

Sections

1

CathodeRay

Twenty-one-inch direct-view monochrome television picture tube designed for large-screen receiver service. Manufacturer data documents its magnetic scanning system, high-voltage operation, and picture-tube optical and electrical characteristics.

Base

12L

Socket

DUODECAL5

Heater

6.3 V

Sections

1

CathodeRay

Twenty-one-inch direct-view monochrome television picture tube designed for large-screen receiver service. Manufacturer data documents its magnetic scanning system, high-voltage operation, and picture-tube optical and electrical characteristics.

Base

Not recorded

Socket

B12D

Heater

6.3 V

Sections

1