Specialized - Cathode Ray vacuum tubes

CathodeRay

Three-and-one-half-inch square direct-view oscilloscope CRT with electrostatic focusing and deflection plus post-deflection acceleration. Its P7 screen provides a long-persistence blue/blue-white trace.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Rectangular mono-accelerator instrument CRT designed for equipment exposed to extreme shock, severe vibration, and altitudes above 50,000 feet. Its ruggedized construction suits airborne or similarly demanding oscillographic installations.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Rectangular flat-face oscilloscope CRT with electrostatic focusing and deflection, designed for compact transistorized equipment. A linear post-accelerator and geometry-adjust electrode improve brightness and displayed-trace geometry.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Rectangular flat-face oscilloscope CRT with electrostatic focusing and deflection for compact transistorized equipment. It incorporates a linear post-accelerator and geometry-adjust electrode for bright, accurately shaped traces.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Four-inch flat-face high-sensitivity cathode-ray tube with electrostatic focusing and deflection. Its compact precision beam system is suited to oscilloscope and measurement-instrument display service.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Three-and-one-half-inch square direct-view oscilloscope CRT with electrostatic focusing and deflection, post-deflection acceleration, and a green display screen. The accelerated beam provides increased brightness for compact instrumentation.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Three-and-a-half-inch square direct-view instrument CRT with electrostatic focusing and deflection, post-deflection acceleration, and a blue P11 display. Its construction suits compact oscilloscope and measurement applications.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Three-and-a-half-inch square direct-view instrument CRT with electrostatic focusing and deflection, post-deflection acceleration, and a blue-green P2 display for compact waveform and measurement presentation.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Three-and-a-half-inch square direct-view instrument CRT with electrostatic focusing and deflection, post-deflection acceleration, and a blue-white P7 display providing persistent trace visibility.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Ultra-high-resolution magnetic-focus, magnetic-deflection CRT with P11 screen for photo-oscillographic applications. Its high-voltage anode capability reaches about 22 kV, supporting fine photographic trace recording.

Base

Not recorded

Socket

B12C

Heater

6.3 V

Sections

1

CathodeRay

Ultra-high-resolution magnetic-focus, magnetic-deflection CRT with a small neck and P11 screen, designed for airborne and photo-oscillographic applications. Its anode capability reaches approximately 22 kV.

Base

Not recorded

Socket

B12C

Heater

6.3 V

Sections

1

CathodeRay

Five-inch radar display cathode-ray tube with low-voltage electrostatic focusing, magnetic deflection, and a long-persistence metal-backed screen. Ferranti specifies anode capability to approximately 15 kV.

Base

B12A

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Five-inch camera-viewfinder cathode-ray tube with magnetic focusing and magnetic deflection and a metal-backed screen. Ferranti documentation gives anode capability to approximately 11 kV for camera monitoring.

Base

B8G

Socket

IO

Heater

6.3 V

Sections

1

CathodeRay

Russian cathode-ray display tube. Display: Red And Green. Deflection: Electromagnetic. Focusing: Electrostatic. Anode voltage 12 kV.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Russian cathode-ray display tube. Display: White. Deflection: Electromagnetic. Focusing: Electrostatic. Anode voltage 20 kV.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

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

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1

CathodeRay

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

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1

CathodeRay

Five-inch high-resolution triode cathode-ray display tube with magnetic focusing and magnetic deflection. Ferranti specifies high-voltage anode capability to approximately 25 kV for fine-detail display applications.

Base

B12A

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Five-inch ultra-high-resolution cathode-ray display tube with magnetic focusing and magnetic deflection. Its approximately 25 kV anode capability supports very fine spot formation and detailed instrument presentation.

Base

B12A

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Large 110-degree rectangular metalized television picture tube of shortened overall length. Tesla documentation gives approximately 16 kV anode capability, combining wide deflection with a shallow direct-view receiver format.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Fifty-four-centimeter metallized-screen television cathode-ray tube with magnetic focusing, magnetic deflection, and an ion trap. Mazda documentation identifies a large direct-view monochrome receiver picture tube.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Instrument or monochrome display cathode-ray tube for oscilloscope, monitor, or display applications. The database record identifies an alternate designation D14363GY123 and approximately 2.2 kV anode capability.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Instrument or monochrome display cathode-ray tube documented by PDS CRT Heerlen with a P31 phosphor screen. Its available source supports general oscilloscope, monitor, and display service.

Base

Not recorded

Socket

Not recorded

Heater

3 V

Sections

1

CathodeRay

Instrument or monochrome display cathode-ray tube for oscilloscope, monitor, or display service. The record identifies alternate designation D14376GH123 and high-voltage anode capability around 14 kV.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Instrument or monochrome display cathode-ray tube documented by PDS CRT Heerlen with P31 phosphor. Available manufacturer material supports general monitor, oscilloscope, and specialized display service.

Base

Not recorded

Socket

Not recorded

Heater

3 V

Sections

1

CathodeRay

Instrument or monochrome display cathode-ray tube documented by PDS CRT Heerlen with a P31 phosphor screen. The SG variant remains conservatively classified as general instrument/display service.

Base

Not recorded

Socket

Not recorded

Heater

3 V

Sections

1

CathodeRay

Instrument or monochrome display cathode-ray tube documented by PDS CRT Heerlen with P31 phosphor. Its available source supports general oscilloscope, monitor, and specialized display applications.

Base

Not recorded

Socket

Not recorded

Heater

3 V

Sections

1

CathodeRay

Instrument or monochrome display cathode-ray tube documented by PDS CRT Heerlen. Published high-voltage capability reaches approximately 18 kV; the available source supports broad monitor and display service.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Five-inch micro-spot high-resolution cathode-ray tube using combined magnetic and electrostatic focusing with magnetic deflection. Ferranti specifies anode capability to approximately 30 kV for extremely fine spot formation.

Base

B12A

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Five-inch flying-lead micro-spot cathode-ray tube with combined magnetic and electrostatic focusing and magnetic deflection. Its approximately 30 kV anode capability supports high-resolution specialized display or recording.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Five-inch micro-spot radar cathode-ray tube with very high definition, combined magnetic and electrostatic focusing, magnetic deflection, and Q phosphor. Ferranti specifies approximately 30 kV maximum anode capability.

Base

B12A

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Five-inch direct-view oscilloscope CRT with electrostatic focusing and deflection, post-deflection acceleration, and a green P1 screen. It is designed for general waveform and instrument display.

Base

Not recorded

Socket

DUODECAL11

Heater

6.3 V

Sections

1

CathodeRay

Five-inch direct-view oscilloscope CRT with electrostatic focusing and deflection, post-deflection acceleration, and a blue P11 screen suited to fast waveform presentation and photographic observation.

Base

Not recorded

Socket

B14A

Heater

6.3 V

Sections

1

CathodeRay

Tight-tolerance five-inch aluminized cathode-ray tube with electrostatic focusing and electrostatic deflection. Du Mont designed it for precision oscillographic display where controlled geometry and repeatable beam characteristics are important.

Base

Not recorded

Socket

B14A

Heater

6.3 V

Sections

1

CathodeRay

Five-inch direct-view oscilloscope CRT with electrostatic focusing and deflection, post-deflection acceleration, and a white P4 screen for general-purpose waveform and monitor presentation.

Base

Not recorded

Socket

DUODECAL11

Heater

6.3 V

Sections

1

CathodeRay

Five-inch direct-view oscilloscope CRT with electrostatic focusing and deflection, post-deflection acceleration, and a P7 screen providing persistent trace visibility for slower or transient displays.

Base

Not recorded

Socket

B14A

Heater

6.3 V

Sections

1

CathodeRay

Five-inch CRT with electromagnetic deflection, electrostatic zero-focus-voltage operation, and a metal-backed P4 screen. Published anode capability reaches approximately 18 kV for bright specialized display service.

Base

8EQ

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Flat-face five-inch high-sensitivity cathode-ray tube with electrostatic focusing and electrostatic deflection, designed for precision oscillographic applications. Its P1 screen supports accurate direct waveform viewing.

Base

Not recorded

Socket

DUODECAL11

Heater

6.3 V

Sections

1

CathodeRay

Five-inch electrostatically focused and deflected cathode-ray tube with a blue P11 screen. Sylvania documentation supports oscilloscope and precision instrument-display use.

Base

Not recorded

Socket

B14A

Heater

6.3 V

Sections

1

CathodeRay

Five-inch electrostatic-focus and electrostatic-deflection CRT with an aluminized blue P11 screen. The aluminized A-variant supports brighter precision oscilloscope and instrument display.

Base

Not recorded

Socket

B14A

Heater

6.3 V

Sections

1

CathodeRay

Five-inch electrostatically focused and deflected P11 cathode-ray instrument tube with post-deflection acceleration, a 6.3 V heater, and precision deflection characteristics for waveform display.

Base

Not recorded

Socket

B14A

Heater

6.3 V

Sections

1

CathodeRay

Five-inch electrostatically focused and deflected P1 cathode-ray instrument tube with post-deflection acceleration, a 6.3 V heater, and precision deflection characteristics for waveform display.

Base

Not recorded

Socket

B14A

Heater

6.3 V

Sections

1

CathodeRay

Five-inch electrostatically focused and deflected P1 cathode-ray instrument tube with post-deflection acceleration, a 6.3 V heater, and precision deflection characteristics for waveform display.

Base

Not recorded

Socket

B14A

Heater

6.3 V

Sections

1

CathodeRay

Five-inch electrostatically focused and deflected P2 cathode-ray instrument tube with post-deflection acceleration, a 6.3 V heater, and precision deflection characteristics for waveform display.

Base

Not recorded

Socket

B14A

Heater

6.3 V

Sections

1

CathodeRay

Five-inch electrostatically focused and deflected P2 cathode-ray instrument tube with post-deflection acceleration, a 6.3 V heater, and precision deflection characteristics for waveform display.

Base

Not recorded

Socket

B14A

Heater

6.3 V

Sections

1

CathodeRay

Five-inch electrostatically focused and deflected P2 cathode-ray instrument tube with post-deflection acceleration, a 6.3 V heater, and precision deflection characteristics for waveform display.

Base

Not recorded

Socket

B14A

Heater

6.3 V

Sections

1

CathodeRay

Five-inch electrostatically focused and deflected P31 cathode-ray instrument tube with post-deflection acceleration, a 6.3 V heater, and precision deflection characteristics for waveform display.

Base

Not recorded

Socket

B14A

Heater

6.3 V

Sections

1

CathodeRay

Five-inch electrostatically focused and deflected P7 cathode-ray instrument tube with post-deflection acceleration, a 6.3 V heater, and precision deflection characteristics for waveform display.

Base

Not recorded

Socket

B14A

Heater

6.3 V

Sections

1