Specialized - Cathode Ray vacuum tubes

CathodeRay

Twelve-inch electrostatically focused and deflected cathode-ray display tube with an aluminized P11 screen. Its blue fluorescence has short persistence, making it well suited to rapidly changing oscillographic and instrumentation traces.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch cathode-ray display tube with electrostatic focusing and deflection and an aluminized P14 screen. Blue-purple fluorescence with medium-long persistence provides a direct-view trace appropriate for 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 with an aluminized P19 screen. Its orange, long-persistence fluorescence provides extended trace visibility for direct-view oscillographic and instrumentation use.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Electrostatically focused and deflected cathode-ray display tube with an aluminized P2 screen, providing yellow-green to green fluorescence with long persistence.

Base

Not recorded

Socket

B14A

Heater

6.3 V

Sections

1

CathodeRay

Electrostatically focused and deflected cathode-ray display tube with an aluminized P25 screen, producing orange fluorescence with very long persistence.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Electrostatically focused and deflected cathode-ray display tube with an aluminized P7 screen, providing blue-white fluorescence with long persistence.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Cathode-ray display tube documented by manufacturer data for type 12ARP2; available extracted source information is sparse, so no more specialized application or construction claim is made.

Base

Not recorded

Socket

B12C

Heater

6.3 V

Sections

2

CathodeRay

Cathode-ray display tube documented by manufacturer data for type 12ASP7; available extracted source information is sparse, so no more specialized application or construction claim is made.

Base

Not recorded

Socket

B12C

Heater

6.3 V

Sections

1

CathodeRay

Electrostatically focused and deflected cathode-ray display tube with an aluminized P28 screen, producing yellow-green fluorescence with long persistence and using a 6.3 V, 1.8 A heater.

Base

Not recorded

Socket

PENTAQUINTAL25

Heater

6.3 V

Sections

1

CathodeRay

Electrostatically focused and deflected cathode-ray display tube using a P11 screen, producing blue fluorescence with short persistence.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1

CathodeRay

Electrostatically focused and deflected cathode-ray display tube using a P14 screen, producing blue-purple fluorescence with medium-long persistence.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1

CathodeRay

Electrostatically focused and deflected cathode-ray display tube using a P19 screen, producing orange fluorescence with long persistence.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1

CathodeRay

Electrostatically focused and deflected cathode-ray display tube using a P2 screen, providing yellow-green to green fluorescence with long persistence.

Base

Not recorded

Socket

B14A

Heater

Not recorded

Sections

1

CathodeRay

Electrostatically focused and deflected cathode-ray display tube using a P25 screen, producing orange fluorescence with very long persistence.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1

CathodeRay

Electrostatically focused and deflected cathode-ray display tube using a P7 screen, providing blue-white fluorescence with long persistence.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1

CathodeRay

Electrostatically focused, magnetically deflected cathode-ray display tube with an aluminized P12 screen, orange medium-long-persistence fluorescence, and approximately 70-degree deflection.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Electrostatically focused, magnetically deflected cathode-ray display tube with an aluminized P19 screen, orange long-persistence fluorescence, and approximately 70-degree deflection.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Electrostatically focused, magnetically deflected cathode-ray display tube with an aluminized P25 screen, orange very-long-persistence fluorescence, and approximately 70-degree deflection.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Electrostatically focused, magnetically deflected cathode-ray display tube with an aluminized P4 screen, white medium-persistence fluorescence, and approximately 70-degree deflection.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

CathodeRay

Electrostatically focused, magnetically deflected cathode-ray display tube with an aluminized P7 screen, blue-white long-persistence fluorescence, and approximately 70-degree deflection.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

High-voltage cathode-ray display tube with multiple accelerating anodes, typically operating its third anode at 10 kV and rated for 6 W anode input.

Base

14J

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

High-voltage cathode-ray display tube with multiple accelerating anodes, typically operating its third anode at 10 kV and rated for 6 W anode input.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

High-voltage cathode-ray display tube with multiple accelerating anodes, typically operating its third anode at 10 kV and rated for 6 W anode input.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Cathode-ray display tube documented by manufacturer data for type 12AXP7; available extracted source information is sparse, so no more specialized application or construction claim is made.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Cathode-ray display tube documented by manufacturer data for type 12AYP4; available extracted source information is sparse, so no more specialized application or construction claim is made.

Base

B7-208

Socket

NEOEIGHTAR7

Heater

6.3 V

Sections

1

CathodeRay

Cathode-ray display tube documented by manufacturer data for type 12AZP4; available extracted source information is sparse, so no more specialized application or construction claim is made.

Base

B7-208

Socket

NEOEIGHTAR7

Heater

6.3 V

Sections

1

CathodeRay

Cathode-ray display tube documented by manufacturer data for type 12BAP4; available extracted source information is sparse, so no more specialized application or construction claim is made.

Base

B7-208

Socket

NEOEIGHTAR7

Heater

6.3 V

Sections

1

CathodeRay

Cathode-ray display tube documented by manufacturer data for type 12BGP4; available extracted source information is sparse, so no more specialized application or construction claim is made.

Base

Not recorded

Socket

B8H

Heater

6.3 V

Sections

1

CathodeRay

Cathode-ray display tube documented by manufacturer data for type 12BKP4; available extracted source information is sparse, so no more specialized application or construction claim is made.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Cathode-ray display tube documented by manufacturer data for type 12BLP4; available extracted source information is sparse, so no more specialized application or construction claim is made.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Cathode-ray display tube documented by manufacturer data for type 12BNP4; available extracted source information is sparse, so no more specialized application or construction claim is made.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Cathode-ray display tube documented by manufacturer data for type 12BNP4A; available extracted source information is sparse, so no more specialized application or construction claim is made.

Base

Not recorded

Socket

Not recorded

Heater

6.9 V

Sections

1

CathodeRay

Cathode-ray display tube documented by manufacturer data for type 12CP4; available extracted source information is sparse, so no more specialized application or construction claim is made.

Base

Not recorded

Socket

Not recorded

Heater

2.5 V

Sections

1

CathodeRay

12DP7 12-inch P7 phosphor cathode-ray tube with magnetic focusing and deflection, 55-degree maximum deflection angle and 6.3 V 0.6 A heater.

Base

5AN

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch P7 cathode-ray display tube with magnetic focusing and deflection. Its blue-white long-persistence screen retains traces after excitation, while published ratings permit high anode voltage for bright persistent presentation.

Base

Not recorded

Socket

IO

Heater

6.3 V

Sections

1

CathodeRay

RCA 12DP7B 12-inch oscillograph cathode-ray tube with magnetic focusing and deflection, P7 dual-persistence phosphor and 6.3 V 0.6 A heater.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch P7 cathode-ray display tube with magnetic focusing and deflection, aluminized gray-filter faceplate, blue-white fluorescence, and long yellow phosphorescence. It combines persistent trace presentation with anode ratings to about 13.2 kV.

Base

Not recorded

Socket

IO

Heater

6.3 V

Sections

1

CathodeRay

12FP7 12-inch P7 phosphor cathode-ray tube with electrostatic focusing and two-axis electrostatic deflection, 6.3 V 0.6 A heater.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch P7 cathode-ray display tube documented by General Electric. The surviving approved source identifies the device but provides little extracted functional detail, so its classification is kept conservatively as a persistent-screen display CRT.

Base

Not recorded

Socket

B12D

Heater

6.3 V

Sections

1

CathodeRay

12HP1 12-inch P1 phosphor cathode-ray tube with electrostatic focusing and two-axis electrostatic deflection, 6.3 V 0.6 A heater.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

12HP7 12-inch P7 phosphor cathode-ray tube with electrostatic focusing and two-axis electrostatic deflection, 6.3 V 0.6 A heater.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch P4 cathode-ray display tube with a conventional 6.3 V, 0.6 A heater. The available Tung-Sol documentation is sparse, so no specialized television, radar, or instrumentation properties are assigned beyond its display function.

Base

Not recorded

Socket

B12D

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch P4 cathode-ray display tube documented by General Electric. Available source detail is limited, so the tube is conservatively treated as a general direct-view display CRT without inferring more specialized service.

Base

Not recorded

Socket

B12D

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch aluminized P4 video-monitor cathode-ray tube with magnetic focusing and deflection, gray filter glass, and external conductive coating. Its white short-to-medium-persistence screen is intended for bright, high-contrast monitor display.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Russian storage cathode-ray tube for recording and retaining electrical signals. Display: Yellow-Green. Deflection: Electromagnetic. Focusing: Electrostatic.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1

CathodeRay

Twelve-inch radar cathode-ray display tube with electrostatic focusing and magnetic deflection. Cintel documentation provides operating and capacitance data for its electron-gun system, supporting a specialized radar-display role rather than ordinary television picture service.

Base

Not recorded

Socket

IO

Heater

4 V

Sections

1

CathodeRay

Twelve-inch P4 television picture tube with magnetic focusing and deflection, white medium-persistence screen, and an external double-field ion trap. Typical anode operation is about 11 kV for direct-view television presentation.

Base

Not recorded

Socket

DUODECAL5

Heater

6.3 V

Sections

1

CathodeRay

Twelve-inch P4 television picture tube with magnetic focusing and deflection, gray filter glass, and an external double-field ion trap. Its white medium-persistence screen operates at roughly 11 kV anode voltage for direct viewing.

Base

Not recorded

Socket

DUODECAL5

Heater

6.3 V

Sections

1