Specialized - Cathode Ray vacuum tubes

CathodeRay

Twenty-five-inch color television picture tube with three electrostatically focused guns, magnetic convergence/deflection, and an aluminized P22 tricolor screen. High-voltage direct-view construction and shadow-mask color presentation place it firmly in color receiver service.

Base

Not recorded

Socket

DUODECAL12

Heater

6.3 V

Sections

1

CathodeRay

Single-beam, double-accelerated oscilloscope cathode-ray tube with a 10 cm high-brightness rectangular screen and high deflection sensitivity. Designed for compact oscilloscopes, it supports instrumentation bandwidths up to roughly 75 MHz.

Base

Not recorded

Socket

B12F

Heater

6.3 V

Sections

1

CathodeRay

Twenty-six-centimeter electromagnetic television picture tube with ion trap. Designed for direct-view monochrome receiver service, it uses magnetic beam control and approximately 10 kV maximum accelerating voltage.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twenty-seven-inch direct-view monochrome television picture tube with magnetic deflection and high-voltage operation. Manufacturer documentation provides focusing, optical, and electrical characteristics for large-screen receiver display service.

Base

8HR

Socket

NEOEIGHTAR7

Heater

6.3 V

Sections

1

CathodeRay

Twenty-seven-inch direct-view monochrome television picture tube with magnetic deflection and high-voltage operation. Manufacturer documentation provides focusing, optical, and electrical characteristics for large-screen receiver display service.

Base

86-203

Socket

NEOEIGHTAR7

Heater

6.3 V

Sections

1

CathodeRay

Twenty-seven-inch direct-view monochrome television picture tube with magnetic deflection and high-voltage operation. Manufacturer documentation provides focusing, optical, and electrical characteristics for large-screen receiver display service.

Base

8HR

Socket

NEOEIGHTAR7

Heater

6.3 V

Sections

1

CathodeRay

Twenty-seven-inch direct-view monochrome television picture tube with magnetic deflection and high-voltage operation. Manufacturer documentation provides focusing, optical, and electrical characteristics for large-screen receiver display service.

Base

8HR

Socket

NEOEIGHTAR7

Heater

6.3 V

Sections

1

CathodeRay

Twenty-seven-inch direct-view monochrome television picture tube with magnetic deflection and high-voltage operation. Manufacturer documentation provides focusing, optical, and electrical characteristics for large-screen receiver display service.

Base

8HR

Socket

NEOEIGHTAR7

Heater

6.3 V

Sections

1

CathodeRay

Twenty-seven-inch direct-view monochrome television picture tube with magnetic deflection and high-voltage operation. Manufacturer documentation provides focusing, optical, and electrical characteristics for large-screen receiver display service.

Base

Not recorded

Socket

DUODECAL6

Heater

6.3 V

Sections

1

CathodeRay

Twenty-seven-inch direct-view monochrome television picture tube with magnetic deflection and high-voltage operation. Manufacturer documentation provides focusing, optical, and electrical characteristics for large-screen receiver display service.

Base

12D

Socket

DUODECAL5

Heater

6.3 V

Sections

1

CathodeRay

Twenty-seven-inch direct-view monochrome television picture tube with magnetic deflection and high-voltage operation. Manufacturer documentation provides focusing, optical, and electrical characteristics for large-screen receiver display service.

Base

Not recorded

Socket

DUODECAL5

Heater

6.3 V

Sections

1

CathodeRay

Twenty-seven-inch direct-view monochrome television picture tube with magnetic deflection and high-voltage operation. Manufacturer documentation provides focusing, optical, and electrical characteristics for large-screen receiver display service.

Base

12N

Socket

DUODECAL5

Heater

6.3 V

Sections

1

CathodeRay

Twenty-seven-inch direct-view monochrome television picture tube with magnetic deflection and high-voltage operation. Manufacturer documentation provides focusing, optical, and electrical characteristics for large-screen receiver display service.

Base

Not recorded

Socket

DUODECAL5

Heater

6.3 V

Sections

1

CathodeRay

Twenty-seven-inch direct-view television CRT with gray-filter faceplate, magnetic focusing and deflection, external conductive coating, and an external single-field ion trap. Its anode is rated around 18 kV.

Base

Not recorded

Socket

DUODECAL5

Heater

6.3 V

Sections

1

CathodeRay

Twenty-seven-inch direct-view television picture tube with aluminized gray-filter screen, magnetic focusing and deflection, unipotential cathode, and external single-field ion trap. High-voltage anode capability reaches about 20 kV.

Base

12N

Socket

DUODECAL5

Heater

6.3 V

Sections

1

CathodeRay

Twenty-seven-inch direct-view television picture tube with aluminized gray-filter screen, low-voltage electrostatic focusing, magnetic deflection, and an external ion trap. Its anode is rated around 20 kV.

Base

12L

Socket

DUODECAL6

Heater

6.3 V

Sections

1

CathodeRay

Twenty-seven-inch rectangular direct-view television picture tube with spherical gray-filter faceplate, low-voltage electrostatic focusing, magnetic deflection, and external ion trap. Published high-voltage capability reaches about 20 kV.

Base

12L

Socket

DUODECAL6

Heater

6.3 V

Sections

1

CathodeRay

Twenty-seven-inch direct-view picture tube with electrostatic focusing and magnetic deflection. National Video specifies high-voltage television operation around 18 kV and publishes an explicit X-ray shielding warning.

Base

12L

Socket

DUODECAL6

Heater

6.3 V

Sections

1

CathodeRay

Twenty-seven-inch rectangular filter-glass television picture tube with electrostatic focusing, magnetic deflection, ion trap, aluminized P4 screen, and external conductive coating. Matsushita documentation supports conventional direct-view monochrome receiver service.

Base

Not recorded

Socket

DUODECAL7

Heater

6.3 V

Sections

1

CathodeRay

Twenty-seven-inch short-neck television CRT with electrostatic focusing, 90-degree magnetic deflection, gray-filter faceplate, aluminized P4 screen, and no ion trap. It is designed for shallow direct-view monochrome receivers.

Base

12L

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Twenty-seven-inch direct-view television picture tube with electrostatic focusing, magnetic deflection, and a metal-backed P4 screen. National Video documentation gives high-voltage anode capability to approximately 25 kV.

Base

12L

Socket

DUODECAL6

Heater

6.3 V

Sections

1

CathodeRay

Twenty-seven-inch 110-degree television CRT with electrostatic focusing, magnetic deflection, gray-filter faceplate, and aluminized P4 screen. Its wide-angle construction supports a shallow direct-view monochrome receiver.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Small high-vacuum cathode-ray tube with electrostatic focusing and electrostatic deflection and a green fluorescent screen. Tung-Sol documentation supports oscilloscope and general instrument-display use.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Small oscilloscope and instrument CRT with electrostatic focusing, electrostatic deflection, and P1 phosphor. Manufacturer documentation provides approximately 2 kV maximum anode capability for compact waveform display.

Base

Not recorded

Socket

OCTALCRT8

Heater

6.3 V

Sections

1

CathodeRay

Two-inch oscilloscope and instrument cathode-ray tube with electrostatic focusing and deflection and a P1 screen. Its compact electron-optical system operates with anode voltage up to approximately 2 kV.

Base

Not recorded

Socket

OCTALCRT8

Heater

6.3 V

Sections

1

CathodeRay

Two-inch electrostatically focused and deflected oscilloscope CRT with a P11 phosphor screen. Published anode capability around 2 kV supports compact high-speed waveform and instrument indication.

Base

Not recorded

Socket

OCTALCRT8

Heater

6.3 V

Sections

1

CathodeRay

Oscilloscope cathode-ray tube with electrostatic focusing and electrostatic deflection. Cintel documentation provides heater, screen, capacitance, maximum-rating, and operating-condition data, with anode capability around 2.5 kV.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Oscilloscope cathode-ray tube using electrostatic focusing and electrostatic deflection. Published Cintel data include heater, screen, capacitance, rating, and operating information, with anode capability around 2.5 kV.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Small cathode-ray display tube documented by Philco. The approved source is sparse in the extracted record, so its exact application, focusing and deflection methods, and operating characteristics are not asserted.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1

CathodeRay

Five-inch monoscope with electrostatic focusing, magnetic deflection, and an internal pattern electrode. RCA designed it to generate fixed television and test patterns electronically rather than display an externally supplied image.

Base

Not recorded

Socket

OCTALCRT8

Heater

6.3 V

Sections

1

CathodeRay

Rayonic oscilloscope and monitor cathode-ray tube with electrostatic focusing and electrostatic deflection. The manufacturer documentation identifies a compact instrument CRT intended for waveform observation and monitoring.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Small oscilloscope and monitor cathode-ray tube in the 2FP family. The available record associates it with electrostatic focusing and deflection; no separate manufacturer artifact is attached for this phosphor variant.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Small oscilloscope and monitor cathode-ray tube in the 2FP family. The database record associates it with electrostatic focusing and deflection, but no separate manufacturer artifact is attached for this screen variant.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Small oscilloscope and monitor cathode-ray tube in the 2FP family. The record associates it with electrostatic focusing and deflection; no separate manufacturer artifact is attached for this persistent-screen variant.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

All-electrostatic precision-measurement cathode-ray tube with a polished flat face. Mazda and AEI documentation identify it for accurate laboratory and industrial trace presentation rather than television picture service.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

CathodeRay

Large round direct-view television CRT with gray-filter faceplate, magnetic focusing and deflection, unipotential cathode, and external single-field ion trap. Its high-voltage anode system is rated around 18 kV.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Precision all-electrostatic cathode-ray tube designed for radio direction-finding compass service. Its specialized electron-optical system provides the visual bearing indication required in navigation and direction-finding equipment.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

CathodeRay

Precision measurement cathode-ray tube with electrostatic focusing and deflection and a polished flat face. AEI documentation identifies it for laboratory and industrial instrumentation requiring accurate trace geometry.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

CathodeRay

All-electrostatic precision-measurement cathode-ray tube documented by Mazda and AEI. Its focusing and deflection system is intended for accurate laboratory and industrial waveform or indicator presentation.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

CathodeRay

Magnetically focused and magnetically deflected cathode-ray tube designed for film scanning. Mazda documentation identifies a specialized scanning CRT rather than a conventional direct-view television or oscilloscope display.

Base

Not recorded

Socket

Not recorded

Heater

2 V

Sections

1

CathodeRay

All-electrostatic cathode-ray tube designed for radio direction-finding compass service. Mazda documentation supports a specialized navigation-display role using electrostatic beam control for bearing indication.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

CathodeRay

Seven-inch all-electrostatic cathode-ray tube for measurement applications. Mazda and AEI documentation identify a laboratory and industrial instrument display using electrostatic focusing and deflection.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

CathodeRay

Nine-inch long-afterglow cathode-ray tube designed for marine radar plan-position-indicator display. Its persistent screen retains radar echoes between sweeps, supporting navigation and target presentation.

Base

Not recorded

Socket

IO

Heater

4 V

Sections

1

CathodeRay

Twelve-inch precision all-electrostatic cathode-ray tube for measurement and radio direction-finding compass service. Its electrostatic beam control is intended for accurate instrument presentation rather than ordinary television display.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

CathodeRay

Twelve-inch long-afterglow cathode-ray tube designed for marine radar PPI display. Its persistent screen retains plotted echoes between sweeps, while the high-voltage display system provides the brightness required for radar observation.

Base

Not recorded

Socket

IO

Heater

4 V

Sections

1

CathodeRay

Twelve-inch all-electrostatic cathode-ray tube intended for measurement applications. Electrostatic focusing and deflection provide precise beam positioning for laboratory and industrial instrumentation rather than television or radar receiver display.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

CathodeRay

30E7 specialized - cathode ray electronic tube specifications and datasheets.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1

CathodeRay

Twelve-inch all-electrostatic cathode-ray tube specifically intended for radio direction-finding compass service. Its electrostatic beam system provides a direct-view navigational bearing display.

Base

Not recorded

Socket

Not recorded

Heater

4 V

Sections

1