Specialized - Cathode Ray vacuum tubes

CathodeRay

P22 cathode-ray picture tube documented by RCA; the available extracted source data is limited, but the P22 designation identifies its multicolor picture-screen family.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Magnetically focused and deflected P4 cathode-ray display tube with white fluorescence, approximately 50-degree deflection, typical 12 kV anode operation, and a 15 kV maximum rating.

Base

Not recorded

Socket

DUODECAL5

Heater

6.3 V

Sections

1

CathodeRay

Direct-view P4 television picture tube using magnetic focusing and deflection, with white medium-persistence fluorescence, approximately 57-degree deflection, and typical 13 kV anode operation.

Base

Not recorded

Socket

DUODECAL5

Heater

6.3 V

Sections

1

CathodeRay

Direct-view P4 television picture tube using magnetic focusing and deflection, with white medium-persistence fluorescence, approximately 57-degree deflection, ion-trap operation, and typical 13 kV anode supply.

Base

Not recorded

Socket

DUODECAL5

Heater

6.3 V

Sections

1

CathodeRay

Electronic Tubes Ltd. 15EP4 15-inch monochrome television CRT with magnetic focus and deflection, white screen, ion trap and 6.3 V 0.3 A heater.

Base

B12A

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

P22 cathode-ray picture tube documented by General Electric with a 6.3 V, 1.8 A heater; available extracted data is otherwise limited.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

P22 cathode-ray picture tube documented by CBS-Hytron; available extracted manufacturer data is too sparse to support additional specialized characteristics.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1

CathodeRay

Cathode-ray display tube documented by Cintel; available extracted data primarily records electrode capacitance and does not support a more specific functional characterization.

Base

Not recorded

Socket

IO

Heater

4 V

Sections

1

CathodeRay

Cathode-ray display tube documented by Cintel; available extracted data primarily records modulator capacitance and does not support a narrower application classification.

Base

Not recorded

Socket

IO

Heater

4 V

Sections

1

CathodeRay

Cathode-ray display tube documented by Cintel, with published modulator, cathode, and first-anode capacitances; available extracted data does not support a narrower application classification.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Electrostatically focused, magnetically deflected CRT explicitly intended for radar, monitor, and display service, using an orange very-long-persistence H phosphor and typically operated at 12 kV.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Electrostatically focused, magnetically deflected 50-degree CRT for radar, monitor, and display service, using an orange very-long-persistence H phosphor and typically operated at 15 kV.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Direct-view P4 television picture tube using electrostatic focusing and magnetic deflection, with white medium-persistence fluorescence, approximately 70-degree deflection, and typical 14 kV anode operation.

Base

12N

Socket

DUODECAL5

Heater

6.3 V

Sections

1

CathodeRay

Direct-view P4 television picture tube using electrostatic focusing and magnetic deflection, with white medium-persistence fluorescence, approximately 60-degree deflection, and typical 13 kV anode operation.

Base

12N

Socket

DUODECAL5

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch metal-shell P7 oscillograph tube with magnetic focusing and approximately 53-degree deflection, intended for low-frequency waveform display and typically operated around a 12 kV ultor supply.

Base

Not recorded

Socket

B12C

Heater

Not recorded

Sections

1

CathodeRay

P4 cathode-ray picture tube documented by Tung-Sol for direct-view display service; manufacturer sources identify the type but extracted technical details are limited.

Base

12M

Socket

DUODECAL5

Heater

6.3 V

Sections

1

CathodeRay

Cathode-ray display tube with approximately 65-degree deflection, typically operated from a 12 kV anode supply with a 250 V second-grid supply and adjustable focus voltage.

Base

12L

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch cathode-ray display tube with electrostatic focusing and magnetic deflection. Its P14 screen produces blue-purple fluorescence with medium-long persistence, making it suited to applications where a visible trace must linger after excitation.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch cathode-ray display tube with electrostatic focusing and magnetic deflection. Its P19 screen gives orange fluorescence with long persistence, emphasizing sustained trace visibility rather than the short-persistence imagery typical of television picture tubes.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch cathode-ray display tube with electrostatic focusing, magnetic deflection, and a P7 screen. Blue-white fluorescence and long persistence provide a lingering trace useful for specialized monitoring or information-display applications.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch P7 persistent-screen cathode-ray display tube operating at high anode voltage. Westinghouse documentation indicates approximately 12–14 kV operation and yellow phosphorescent afterglow, supporting prolonged visibility of displayed traces.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1

CathodeRay

Sixteen-inch long-persistence cathode-ray display tube using electrostatic focusing and electrostatic deflection. Its aluminized screen gives blue-white fluorescence with yellow afterglow, while high accelerating voltage supports a bright trace for specialized instrument display.

Base

Not recorded

Socket

NEOEIGHTAR7

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch aluminized P4 direct-view picture tube with electrostatic focusing and magnetic deflection. Its white medium-short-persistence screen, wide 114-degree deflection, and roughly 14 kV typical anode operation suit television display service.

Base

Not recorded

Socket

NEOEIGHTAR7

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch aluminized P4 picture tube with electrostatic focusing and magnetic deflection. The white medium-short-persistence screen and wide 114-degree deflection operate around 14 kV, providing a compact high-voltage direct-view television display.

Base

Not recorded

Socket

NEOEIGHTAR7

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch direct-view television picture tube with magnetic focusing and deflection and a white medium-persistence P4 screen. Tung-Sol specifies typical anode operation around 12 kV with a maximum near 14 kV.

Base

12O

Socket

DUODECAL5

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch P4 direct-view television picture tube with magnetic focusing and deflection. Its white medium-persistence screen operates at approximately 12 kV typical anode voltage, with a published maximum around 14 kV.

Base

12O

Socket

DUODECAL5

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch P4 direct-view picture tube using electrostatic focusing and magnetic deflection. Sylvania documentation gives typical anode operation near 14 kV, supporting its role as a high-voltage monochrome television display.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch P4 cathode-ray picture tube documented by Philco for direct-view display service. The available source is comparatively sparse, so specialized construction details are not inferred beyond its television-style picture-tube function.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1

CathodeRay

Sixteen-inch P4 cathode-ray picture tube documented by General Electric. The surviving source supports a direct-view television display role, while insufficient detailed evidence prevents assigning additional specialized construction or performance tags.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch P4 cathode-ray picture tube documented by Hitachi for high-voltage direct-view display. Its anode rating reaches approximately 15.4 kV, placing it firmly in the television picture-tube class.

Base

B7-208

Socket

NEOEIGHTAR7

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch P4 direct-view picture tube with electrostatic focusing and magnetic deflection. Rauland specifies approximately 103-degree deflection and typical anode operation around 12 kV, with an 18 kV maximum rating.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch P4 cathode-ray picture tube documented by General Electric for direct-view display service. Source detail is limited, so the classification remains conservatively television-oriented without assigning unsupported specialized construction properties.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Canadian General Electric 16AXP4 16-inch rectangular monochrome CRT with electrostatic unipotential focus, 114-degree magnetic deflection, non-ion-trap gun, aluminized P4 screen and 6.3 V 0.45 A heater.

Base

8HR

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch P4 high-voltage picture tube documented by RCA for direct-view display. Published operating information includes anode voltage around 16 kV and adjustable focusing, characteristic of monochrome television picture-tube service.

Base

Not recorded

Socket

B8H

Heater

Not recorded

Sections

1

CathodeRay

Sixteen-inch P4 cathode-ray picture tube documented by General Electric. Available source information supports a conventional direct-view television display role, while sparse detail warrants avoiding unsupported specialized tags.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch P4 direct-view picture tube with high-voltage anode operation. National Video specifies roughly 12–18 kV anode range, about 15 kV typical, together with an external conductive coating and adjustable focusing electrode.

Base

B7-208

Socket

NEOEIGHTAR7

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch aluminized P4 picture tube with electrostatic focusing and magnetic deflection. Its white medium-short-persistence screen uses wide-angle deflection and typically operates around 14 kV for bright direct-view television presentation.

Base

Not recorded

Socket

NEOEIGHTAR7

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch P4 cathode-ray picture tube documented by RMA/EIA for high-voltage direct-view display. Typical anode operation is approximately 12 kV, consistent with monochrome television picture-tube service.

Base

Not recorded

Socket

B8H

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch P4 direct-view picture tube using low-voltage electrostatic focusing and magnetic deflection. RCA data show approximately 16 kV anode operation and a large projected screen area for television-picture presentation.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch P4 direct-view picture tube documented by National Video. Its anode operates over roughly 12–18 kV, typically about 15 kV, with an external conductive coating serving the high-voltage display structure.

Base

B7-208

Socket

NEOEIGHTAR7

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch P4 high-voltage direct-view picture tube documented by National Video. Typical anode operation is approximately 15 kV with an 18 kV maximum rating, supporting conventional monochrome television display service.

Base

8HR

Socket

NEOEIGHTAR7

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch P4 high-voltage direct-view picture tube documented by National Video. Its typical anode voltage is about 15 kV with an 18 kV maximum, consistent with monochrome television receiver display service.

Base

8HR

Socket

NEOEIGHTAR7

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch P4 direct-view picture tube with an anode operating range of roughly 10–16 kV and typical operation near 13 kV. RMA/EIA data also provide an adjustable focusing-electrode range for picture optimization.

Base

Not recorded

Socket

B8H

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch P4 cathode-ray picture tube documented by RMA/EIA for direct-view high-voltage display. Typical anode operation is about 15 kV, characteristic of monochrome television picture-tube service.

Base

Not recorded

Socket

B8H

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch P4 direct-view picture tube rated for approximately 12–17.6 kV anode operation, with about 15 kV typical. RMA/EIA documentation supports its use as a high-voltage monochrome television display.

Base

Not recorded

Socket

B12C

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch P4 direct-view picture tube with approximately 10–16 kV allowable anode voltage and typical operation near 13 kV. Its adjustable focusing electrode supports conventional monochrome television picture presentation.

Base

Not recorded

Socket

B8H

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch P4 high-voltage picture tube documented by RMA/EIA for direct-view display. Typical anode operation is approximately 15 kV, with published focusing-electrode adjustment for obtaining a sharp television raster.

Base

Not recorded

Socket

B8H

Heater

6.3 V

Sections

1

CathodeRay

Sixteen-inch P4 direct-view picture tube with wide magnetic deflection and a large projected screen area. RCA documentation gives an anode operating range around 12–20 kV, with approximately 16 kV typical.

Base

Not recorded

Socket

Not recorded

Heater

6.9 V

Sections

1