Specialized - Cathode Ray vacuum tubes

CathodeRay

High-voltage electrostatically deflected cathode-ray tube documented by Valvo for precision display use, with post-acceleration reaching roughly 18 kV and provisions for focusing and astigmatism correction. The datasheet includes high-voltage radiation precautions.

Base

Not recorded

Socket

B12F

Heater

6.3 V

Sections

1

CathodeRay

Eleven-inch P4 cathode-ray picture tube documented for direct-view television display service. Manufacturer data support a conventional high-voltage CRT function; the surviving source is comparatively terse, so specialized properties are not inferred.

Base

Not recorded

Socket

DUODECAL5

Heater

6.3 V

Sections

1

CathodeRay

Eleven-inch P4 cathode-ray picture tube for high-voltage direct-view display service. Manufacturer ratings place the anode in roughly the 9–15 kV range and provide an adjustable focusing-electrode voltage for obtaining a sharp raster.

Base

Not recorded

Socket

B8H

Heater

6.3 V

Sections

1

CathodeRay

Eleven-inch P4 cathode-ray picture tube using magnetic deflection for direct-view display. Published operating data place the anode around 12 kV, with a substantial projected screen area suited to television-picture presentation.

Base

Not recorded

Socket

Not recorded

Heater

6.9 V

Sections

1

CathodeRay

High-voltage cathode-ray display tube documented by Valvo with electrostatic deflection, post-acceleration, adjustable focusing, and astigmatism correction. Its electrode system is intended for precision trace display, and the documentation includes precautions associated with high accelerating voltages.

Base

Not recorded

Socket

B12F

Heater

6.3 V

Sections

1

CathodeRay

11DP4 11-inch rectangular monochrome television CRT with electrostatic focus, 110-degree magnetic deflection, non-ion-trap gun and aluminized P4 white screen.

Base

8HR

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Eleven-inch P4 cathode-ray picture tube intended for direct-view display service. The RMA/EIA data specify typical anode operation near 16 kV, placing it among high-voltage television-style CRTs rather than low-voltage instrument tubes.

Base

Not recorded

Socket

B8H

Heater

6.3 V

Sections

1

CathodeRay

Eleven-inch P4 cathode-ray picture tube for direct-view display service. RMA/EIA documentation gives typical anode operation near 10 kV; the available source supports a conventional high-voltage picture-tube classification without additional specialized claims.

Base

Not recorded

Socket

B8H

Heater

6.3 V

Sections

1

CathodeRay

Eleven-inch P4 cathode-ray picture tube with magnetic deflection and a broad direct-view screen. RCA data show high-voltage anode operation up to about 15 kV together with normal control-grid and focusing-electrode requirements.

Base

Not recorded

Socket

Not recorded

Heater

6.9 V

Sections

1

CathodeRay

Eleven-inch P4 cathode-ray picture tube intended for high-voltage direct-view display. RMA/EIA data specify typical anode operation around 11 kV, adjustable grid-four focusing, and the usual control and heater limits of a television CRT.

Base

Not recorded

Socket

B8H

Heater

6.3 V

Sections

1

CathodeRay

Eleven-inch P4 cathode-ray picture tube with magnetic deflection for direct-view display. RCA documentation gives high-voltage anode operation around 9 kV and includes the control, focusing, screen-area, and capacitance data needed for receiver design.

Base

Not recorded

Socket

Not recorded

Heater

6.9 V

Sections

1

CathodeRay

Eleven-inch P4 cathode-ray picture tube documented by RMA/EIA for direct-view display service. The available manufacturer record supports a conventional high-voltage picture-tube role; unsupported construction or application details are deliberately not inferred.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Russian oscilloscope cathode-ray tube for visual display of electrical signals; magnetic deflection and magnetic focusing, violet screen. 6.3 V filament; 20 kV anode.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Russian oscilloscope cathode-ray tube for visual display of electrical signals; electromagnetic deflection, violet screen. 6.3 V filament; 20 kV anode.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Russian oscilloscope cathode-ray tube for visual display of electrical signals; electromagnetic deflection and electrostatic focusing, yellow screen. 1.36 V filament; 6 kV anode.

Base

Not recorded

Socket

Not recorded

Heater

1.36 V

Sections

1

CathodeRay

Russian cathode-ray display tube with a multi-electrode electron gun and high-voltage final acceleration around 12 kV. Published limits cover several anodes, grid, heater leakage, and screen currents, indicating a specialized controlled-beam display device.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch Ferranti radar, monitor, and display CRT with electrostatic focusing and magnetic deflection. Its orange long-persistence fluoride screen preserves displayed information, while the third anode operates in the roughly 9–13 kV range.

Base

Not recorded

Socket

IO

Heater

4 V

Sections

1

CathodeRay

Twelve-inch Ferranti radar, monitor, and display CRT with electrostatic focusing and magnetic deflection. Its H-type orange screen has very long persistence, favoring radar presentations where echoes must remain visible between successive sweeps.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch Ferranti radar, monitor, and display CRT using magnetic focusing and magnetic deflection. The H-type orange long-persistence screen and approximately 9–15 kV second-anode range suit persistent radar and monitoring displays.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch Ferranti radar, monitor, and display CRT with magnetic focusing and magnetic deflection. Its H-type orange screen provides very long persistence, while the second anode is rated to about 15 kV for bright persistent presentation.

Base

Not recorded

Socket

IO

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch Ferranti radar, monitor, and display CRT using magnetic focusing and deflection. Its H-type orange long-persistence screen and second-anode capability to about 15.5 kV are tailored to persistent radar and monitoring presentations.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Magnetically focused and deflected cathode-ray display tube for radar, monitor, and display service. Its H phosphor gives orange fluorescence with very long persistence, while the second anode operates at roughly 12 kV for a sustained visible trace.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Magnetically focused and deflected cathode-ray display tube intended for radar, monitor, and display service. It uses H phosphor with orange, very-long-persistence fluorescence and operates with a high-voltage second anode, typically around 15 kV.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch cathode-ray display tube with electrostatic focusing and magnetic deflection. It uses a P14 blue-purple medium-long-persistence phosphor and is intended for high-voltage direct-view display service, with an anode rating extending to about 13.2 kV.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch cathode-ray display tube with electrostatic focusing and magnetic deflection. The P14 screen produces blue-purple fluorescence with medium-long persistence; the tube is a high-voltage direct-view CRT suited to instrument and display applications.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch cathode-ray display tube using electrostatic focusing and magnetic deflection. Its P19 screen provides orange fluorescence with long persistence, making it useful where a trace must remain visible after excitation in direct-view display service.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch cathode-ray display tube with electrostatic focusing and magnetic deflection. It combines a long-persistence orange P19 screen with high-voltage operation for direct-view instrument and display applications requiring a lingering trace.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch cathode-ray display tube with electrostatic focusing and magnetic deflection. Its P7 screen provides blue-white fluorescence with long persistence, a combination suited to direct-view radar and other applications where displayed information must persist.

Base

Not recorded

Socket

DUODECAL6

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch cathode-ray display tube with electrostatic focusing and magnetic deflection. It uses an aluminized P7 screen producing blue-white, long-persistence fluorescence, supporting high-voltage direct-view radar and display applications.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch cathode-ray display tube with electrostatic focusing and electrostatic deflection. Its aluminized P14 screen gives blue-purple fluorescence with medium-long persistence, providing a direct-view display suited to oscillographic and instrumentation work.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch electrostatically focused and deflected cathode-ray display tube. It has an aluminized P19 screen with orange, long-persistence fluorescence, intended for direct-view instrument displays where a slowly fading trace is advantageous.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch cathode-ray display tube using electrostatic focusing and electrostatic deflection. Its aluminized P2 screen produces yellow-green/green fluorescence with long persistence, making it useful for direct-view oscillographic and instrumentation displays.

Base

Not recorded

Socket

B14A

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch electrostatically focused and deflected cathode-ray display tube with an aluminized P25 screen. The orange fluorescence has very long persistence, emphasizing trace retention in direct-view instrumentation and display applications.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch cathode-ray display tube with electrostatic focusing and electrostatic deflection. Its aluminized P7 screen produces blue-white fluorescence with long persistence, providing a retained direct-view trace for oscillographic and instrumentation use.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch round metal-envelope cathode-ray tube designed for radar use. It employs magnetic focusing and magnetic deflection, a flat gray-filter face, and a long-persistence screen, with high-voltage operation reaching approximately 14 kV.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch round metal-envelope cathode-ray tube intended for radar applications. It combines electrostatic focusing with magnetic deflection and high-voltage operation to provide a direct-view radar display.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch electrostatically focused and deflected cathode-ray display tube with an aluminized P11 screen. Its blue fluorescence has short persistence, favoring rapidly changing oscillographic or instrumentation traces with minimal lingering image.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch cathode-ray display tube using electrostatic focusing and deflection. The aluminized P14 screen produces blue-purple fluorescence with medium-long persistence, providing a direct-view trace suited to oscillographic and instrumentation applications.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch electrostatically focused and deflected cathode-ray display tube. Its aluminized P19 screen gives orange fluorescence with long persistence, providing extended trace visibility for direct-view instrumentation and display applications.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch cathode-ray display tube with electrostatic focusing and electrostatic deflection. Its aluminized P2 screen produces yellow-green/green fluorescence with long persistence, supporting direct-view oscillographic and instrumentation displays requiring retained traces.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch electrostatically focused and deflected cathode-ray display tube with an aluminized P25 screen. Its orange fluorescence has very long persistence, making trace retention a defining feature for direct-view instrument displays.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch cathode-ray display tube with electrostatic focusing and electrostatic deflection. It uses an aluminized P7 screen giving blue-white fluorescence with long persistence for direct-view oscillographic and instrumentation display service.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch direct-view oscilloscope cathode-ray tube with electrostatic focus and deflection, post-deflection acceleration, gray-filter glass, and an aluminized screen. Its multi-anode system operates at several kilovolts to produce a bright instrument trace.

Base

14AW

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch direct-view oscilloscope CRT with electrostatic focusing and deflection, post-deflection acceleration, gray-filter glass, and an aluminized screen. It is configured for high-voltage oscillographic display service with controlled focusing and beam cutoff.

Base

14AW

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch direct-view oscilloscope cathode-ray tube using electrostatic focus and deflection plus post-deflection acceleration. Its gray-filter glass and aluminized screen support a bright, high-voltage instrument display with controlled beam cutoff.

Base

14AW

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch direct-view oscilloscope CRT with electrostatic focusing and deflection, post-deflection acceleration, gray-filter glass, and an aluminized screen. The high-voltage multi-anode system is intended for bright oscillographic and instrumentation traces.

Base

14AW

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch direct-view oscilloscope cathode-ray tube with electrostatic focus and deflection and post-deflection acceleration. Gray-filter glass and an aluminized screen complement its high-voltage multi-anode system for instrument-display service.

Base

14AW

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch direct-view oscilloscope CRT using electrostatic focus and deflection with post-deflection acceleration. It incorporates gray-filter glass and an aluminized screen and operates its principal anodes at several kilovolts for bright instrument traces.

Base

14AW

Socket

B12A

Heater

6.3 V

Sections

1