Specialized - Cathode Ray vacuum tubes

CathodeRay

High-resolution Mazda cathode-ray display tube with a published resolution of about 850 lines and a maximum first-anode voltage of 410 V, intended for precision visual display.

Base

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

High-resolution Mazda cathode-ray display tube with a published resolution of about 850 lines and a maximum first-anode voltage of 410 V, intended for precision visual display.

Base

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Socket

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Heater

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1

CathodeRay

Projection cathode-ray tube designed to generate a small, intense image for enlargement by an optical projection system. Its high-brightness screen and focusing/deflection system support large projected electronic displays.

Base

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

Oscillograph cathode-ray tube for waveform and instrumentation display with post-deflection acceleration up to several kilovolts. The accelerated beam provides a bright trace while retaining electrostatic precision for measurement applications.

Base

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Socket

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Heater

6.9 V

Sections

1

CathodeRay

Oscillograph cathode-ray tube for waveform and instrumentation display with high-voltage post-deflection acceleration. Its focusing and deflection system is designed to produce bright, precise traces for measurement equipment.

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Socket

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Heater

6.9 V

Sections

1

CathodeRay

Oscillograph cathode-ray tube for waveform and instrumentation display. Its electrostatic beam-control system and published focusing/deflection characteristics support precision direct-view measurement traces.

Base

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

Oscillograph cathode-ray tube for waveform and instrumentation display with post-deflection acceleration. The additional acceleration increases trace brightness while maintaining electrostatic control for accurate measurement presentation.

Base

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Socket

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Heater

6.9 V

Sections

1

CathodeRay

Cathode-ray display tube specifically intended for radar-display service. Its screen persistence and beam-control characteristics support retention and presentation of radar returns between successive sweeps.

Base

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Socket

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Heater

125 V

Sections

1

CathodeRay

Cathode-ray tube intended for electronic visual-display service, using a high-voltage screen system and controlled beam deflection. The available manufacturer data supports a general electronic-display function but not a narrower application category.

Base

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch rectangular cathode-ray tube with approximately 70-degree magnetic deflection for electronic visual-display service. Manufacturer data supports general monitor/display use without establishing a narrower television, radar, or oscilloscope role.

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

Custom-built two-inch cathode-ray display tube with electrostatic focusing and deflection electrodes. Its compact construction is intended for specialized electronic visual-display equipment rather than a standard consumer display application.

Base

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Socket

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Heater

6.9 V

Sections

1

CathodeRay

The RCA 4583 is a blue-emitting projection cathode-ray tube forming part of a matched three-tube color projection system. Its electrostatic focusing, magnetic deflection, and specialized phosphor screen are designed for Schmidt reflective optics, providing high brightness and controlled beam characteristics.

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Heater

6.6 V

Sections

1

ImageStorage

Dual electron-gun Graphechon scan-conversion image-storage tube; two 0.1 A heaters.

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

Russian cathode-ray display tube with 6.3 V heater.

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

Russian cathode-ray display tube.

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

Russian cathode-ray display tube with 6.3 V heater.

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

Russian cathode-ray tube for oscilloscope and display applications.

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

Russian cathode-ray display tube. Display: Red And Green. Deflection: Electromagnetic. Anode voltage 12.5 kV.

Base

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

Russian cathode-ray display tube. Display: Yellow-Green. Deflection: Magnetic. Focusing: Magnetic. Anode voltage 14 kV.

Base

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

Russian cathode-ray display tube. Display: Red-Orange And Pink. Deflection: Electromagnetic. Focusing: Electromagnetic. Anode voltage 14 kV.

Base

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

Russian cathode-ray display tube. Display: Red-Orange And Yellow-Green. Deflection: Electromagnetic. Focusing: Electrostatic. Anode voltage 14 kV.

Base

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

Russian cathode-ray display tube. Deflection: Electromagnetic. Focusing: Electromagnetic. Anode voltage 14 kV.

Base

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

Russian cathode-ray display tube. Display: White. Deflection: Electromagnetic. Focusing: Electromagnetic. Anode voltage 14 kV.

Base

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

Russian cathode-ray display tube. Deflection: Electromagnetic. Focusing: Electrostatic. Anode voltage 14 kV.

Base

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

Russian alphanumeric cathode-ray display tube for air traffic dispatch displays, with a green screen.

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Heater

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1

CathodeRay

Russian alphanumeric cathode-ray display tube for alphanumeric characters and symbols from an internal matrix, with a orange screen.

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Heater

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1

CathodeRay

Russian alphanumeric cathode-ray display tube for alphanumeric matrix characters and focused-beam images, with a yellow-green screen.

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Heater

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Sections

1

CathodeRay

Russian alphanumeric cathode-ray display tube for alphanumeric matrix characters and focused-beam images, with a green screen.

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Socket

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Heater

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1

CathodeRay

High-voltage television cathode-ray tube.

Base

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

Four-inch skiatron cathode-ray tube with magnetic focusing and deflection for projected dark-trace display systems. Unlike ordinary fluorescent CRTs, it forms a dark trace for optical projection onto a larger viewing surface.

Base

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

Four-inch cathode-ray tube documented by Philco. The available source confirms CRT construction but does not provide sufficient extracted functional evidence to assign a narrower oscilloscope, radar, television, or specialized display category.

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Heater

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1

CathodeRay

P7 long-persistence cathode-ray tube.

Base

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

Compact square-face dual-beam oscilloscope CRT with independent electron guns and post-acceleration. Its P1 green medium-persistence screen supports simultaneous comparative waveform display in compact instrumentation.

Base

Not recorded

Socket

B14A

Heater

6.3 V

Sections

1

CathodeRay

Compact square-face dual-beam oscilloscope CRT with independent electron guns and post-acceleration. Its P11 blue short-persistence screen favors rapidly changing simultaneous waveform traces.

Base

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

Compact square-face dual-beam oscilloscope CRT with independent electron guns and post-acceleration. Its P2 blue-green/green long-persistence screen retains simultaneous waveform traces for extended viewing.

Base

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

Compact square-face dual-beam oscilloscope CRT with independent electron guns and post-acceleration. Its P7 blue/blue-white long-persistence screen supports retained dual-waveform presentation.

Base

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

The 4EP1 is a general-purpose oscilloscope cathode-ray tube with a flat four-inch green P1 phosphor screen. Electrostatic focusing and deflection, together with post-deflection acceleration, provide measurement display capability. External connections to deflection plates facilitate precise oscilloscope circuit arrangements.

Base

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

Three-and-one-half-inch square single-beam oscilloscope CRT with full-screen scan and post-acceleration for high brightness and small spot size. Its P1 green medium-persistence screen suits general instrumentation.

Base

Not recorded

Socket

B14A

Heater

6.3 V

Sections

1

CathodeRay

Three-and-one-half-inch square single-beam oscilloscope CRT with full-screen scan and post-acceleration for high brightness and small spot size. Its P11 blue short-persistence screen favors fast traces.

Base

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

Three-and-one-half-inch square single-beam oscilloscope CRT with full-screen scan and post-acceleration. Its P2 blue-green/green long-persistence screen provides extended trace visibility.

Base

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

Three-and-one-half-inch square single-beam oscilloscope CRT with full-screen scan and post-acceleration. Its P7 blue/blue-white long-persistence screen provides a retained oscillographic trace.

Base

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

Eight-centimeter instrument CRT with electrostatic focusing and deflection, a flat photographic-blue screen, and one stage of post-deflection acceleration. Designed for high-precision instrumentation, it provides a bright, accurately positioned trace.

Base

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Socket

B12D

Heater

6.3 V

Sections

1

CathodeRay

Short three-and-one-half-inch square-face three-beam oscilloscope CRT with independently controlled beams, shared acceleration/heater connections, and spiral post-acceleration. It supports simultaneous multi-trace measurement with reduced pattern and deflection distortion.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

3

CathodeRay

The 4KP1 is a compact, high-sensitivity oscilloscope cathode-ray tube with a nearly square viewing screen and electrostatic focusing and deflection. Tight alignment and deflection tolerances support accurate waveform presentation, while its short-persistence blue phosphor suits rapidly changing electronic measurement signals.

Base

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

The 4LP1 is a dual-trace oscilloscope cathode-ray tube featuring a flat four-inch green P1 screen and independently controlled vertical deflection for two traces. Electrostatic focusing and deflection, together with post-deflection acceleration, support simultaneous waveform comparison and specialized instrument display applications.

Base

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Socket

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Heater

6.3 V

Sections

1

CathodeRay

Three-and-one-half-inch square direct-view oscilloscope CRT with electrostatic focusing and deflection plus post-deflection acceleration. Its P1 screen provides a green medium-persistence trace for instrumentation.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Three-and-one-half-inch square direct-view oscilloscope CRT with electrostatic focusing and deflection plus post-deflection acceleration. Its P11 screen provides a blue short-persistence trace for rapidly changing waveforms.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Three-and-one-half-inch square direct-view oscilloscope CRT with electrostatic focusing and deflection plus post-deflection acceleration. Its P2 screen provides a long-persistence blue-green/green trace.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1