Specialized - Cathode Ray vacuum tubes

CathodeRay

Small electrostatically focused and deflected P1 cathode-ray tube for oscilloscope and precision-instrument display, with post-deflection acceleration and a 6.3 V heater.

Base

Not recorded

Socket

B14A

Heater

6.3 V

Sections

1

CathodeRay

Small electrostatically focused and deflected P1 cathode-ray tube for oscilloscope and precision-instrument display, with post-deflection acceleration and a 6.3 V heater.

Base

Not recorded

Socket

B14A

Heater

6.3 V

Sections

1

CathodeRay

Small electrostatically focused and deflected P2 cathode-ray tube for oscilloscope and precision-instrument display, with post-deflection acceleration and a 6.3 V heater.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Small electrostatically focused and deflected P2 cathode-ray tube for oscilloscope and precision-instrument display, with post-deflection acceleration and a 6.3 V heater.

Base

Not recorded

Socket

B14A

Heater

6.3 V

Sections

1

CathodeRay

Small electrostatically focused and deflected P7 cathode-ray tube for oscilloscope and precision-instrument display, with post-deflection acceleration and a 6.3 V heater.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Small electrostatically focused and deflected P7 cathode-ray tube for oscilloscope and precision-instrument display, with post-deflection acceleration and a 6.3 V heater.

Base

Not recorded

Socket

B14A

Heater

6.3 V

Sections

1

CathodeRay

Small electrostatically focused and deflected P1 cathode-ray tube for oscilloscope and precision-instrument display, with post-deflection acceleration and a 6.3 V heater.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Small electrostatically focused and deflected P1 cathode-ray tube for oscilloscope and precision-instrument display, with post-deflection acceleration and a 6.3 V heater.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Small electrostatically focused and deflected P1 cathode-ray tube for oscilloscope and precision-instrument display, with post-deflection acceleration and a 6.3 V heater.

Base

Not recorded

Socket

MEDIUM7

Heater

2.5 V

Sections

1

CathodeRay

Small electrostatically focused and deflected P2 cathode-ray tube for oscilloscope and precision-instrument display, with post-deflection acceleration and a 6.3 V heater.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Small electrostatically focused and deflected P7 cathode-ray tube for oscilloscope and precision-instrument display, with post-deflection acceleration and a 6.3 V heater.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

3AFP1 high-sensitivity green P1 oscilloscope cathode-ray tube with electrostatic focus and X/Y deflection, 6.3 V 0.55 A heater.

Base

B9G

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Compact P1 cathode-ray display tube with electrostatic focusing, magnetic deflection, and an aluminized screen; phosphor characteristics provide the persistence and fluorescence appropriate to the P1 variant.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Compact P1 cathode-ray display tube with electrostatic focusing, magnetic deflection, and an aluminized screen; phosphor characteristics provide the persistence and fluorescence appropriate to the P1 variant.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Compact P2 cathode-ray display tube with electrostatic focusing, magnetic deflection, and an aluminized screen; phosphor characteristics provide the persistence and fluorescence appropriate to the P2 variant.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Compact P4 cathode-ray display tube with electrostatic focusing, magnetic deflection, and an aluminized screen; phosphor characteristics provide the persistence and fluorescence appropriate to the P4 variant.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

CathodeRay

Compact P7 cathode-ray display tube with electrostatic focusing, magnetic deflection, and an aluminized screen; phosphor characteristics provide the persistence and fluorescence appropriate to the P7 variant.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Small electrostatic cathode-ray instrument display tube with a 6.3 V heater, anode operation up to about 2.75 kV, and electrostatic deflection electrodes for waveform presentation.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Small electrostatic cathode-ray instrument display tube with a 6.3 V heater, anode operation up to about 2.75 kV, and electrostatic deflection electrodes for waveform presentation.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Small electrostatic cathode-ray instrument display tube with a 6.3 V heater, anode operation up to about 2.75 kV, and electrostatic deflection electrodes for waveform presentation.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Small electrostatic cathode-ray instrument display tube with a 6.3 V heater, anode operation up to about 2.75 kV, and electrostatic deflection electrodes for waveform presentation.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Compact P1 cathode-ray display tube with electrostatic focusing, magnetic deflection, and an aluminized screen; phosphor characteristics provide the persistence and fluorescence appropriate to the P1 variant.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Compact P1 cathode-ray display tube with electrostatic focusing, magnetic deflection, and an aluminized screen; phosphor characteristics provide the persistence and fluorescence appropriate to the P1 variant.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Compact P2 cathode-ray display tube with electrostatic focusing, magnetic deflection, and an aluminized screen; phosphor characteristics provide the persistence and fluorescence appropriate to the P2 variant.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Compact P2 cathode-ray display tube with electrostatic focusing, magnetic deflection, and an aluminized screen; phosphor characteristics provide the persistence and fluorescence appropriate to the P2 variant.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Compact P4 cathode-ray display tube with electrostatic focusing, magnetic deflection, and an aluminized screen; phosphor characteristics provide the persistence and fluorescence appropriate to the P4 variant.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Compact P7 cathode-ray display tube with electrostatic focusing, magnetic deflection, and an aluminized screen; phosphor characteristics provide the persistence and fluorescence appropriate to the P7 variant.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Compact electrostatic cathode-ray instrument tube with published deflection sensitivity, grid-control ratings, and screen-dissipation limits, intended for precision waveform and measurement displays.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Low-voltage Philips cathode-ray tube for oscilloscopes, using electrostatic focusing and double electrostatic deflection. Its compact three-inch format is intended for economical waveform and instrument-display applications.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Three-inch oscilloscope and instrument cathode-ray tube with electrostatic focusing and electrostatic deflection and a P1 screen. Manufacturer documentation supports compact waveform, measurement, and indicator-display service.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1

CathodeRay

Three-inch oscilloscope and instrument cathode-ray tube with electrostatic focusing and electrostatic deflection and a P1 screen. Manufacturer documentation supports compact waveform, measurement, and indicator-display service.

Base

Not recorded

Socket

OCTALCRT8

Heater

6.3 V

Sections

1

CathodeRay

Three-inch cathode-ray tube in an established electrostatic oscilloscope family with specified screen designation. No separate manufacturer artifact is attached for this exact variant, so additional individual characteristics are not asserted.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1

CathodeRay

Three-inch cathode-ray tube in an established electrostatic oscilloscope family with P4 screen designation. No separate manufacturer artifact is attached for this exact variant, so additional individual characteristics are not asserted.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1

CathodeRay

Three-inch oscilloscope and instrument cathode-ray tube with electrostatic focusing and electrostatic deflection and a P1 screen. Manufacturer documentation supports compact waveform, measurement, and indicator-display service.

Base

Not recorded

Socket

OCTALCRT8

Heater

6.3 V

Sections

1

CathodeRay

Three-inch oscilloscope and instrument cathode-ray tube with electrostatic focusing and electrostatic deflection and a P11 screen. Manufacturer documentation supports compact waveform, measurement, and indicator-display service.

Base

Not recorded

Socket

B14A

Heater

6.3 V

Sections

1

CathodeRay

Three-inch oscilloscope and instrument cathode-ray tube with electrostatic focusing and electrostatic deflection and a P2 screen. Manufacturer documentation supports compact waveform, measurement, and indicator-display service.

Base

Not recorded

Socket

B14A

Heater

6.3 V

Sections

1

CathodeRay

Three-inch oscilloscope and instrument cathode-ray tube with electrostatic focusing and electrostatic deflection and a P7 screen. Manufacturer documentation supports compact waveform, measurement, and indicator-display service.

Base

Not recorded

Socket

B14A

Heater

6.3 V

Sections

1

CathodeRay

Three-inch oscilloscope and instrument cathode-ray tube with electrostatic focusing and electrostatic deflection and a P1 screen. Manufacturer documentation supports compact waveform, measurement, and indicator-display service.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Three-inch oscilloscope and instrument cathode-ray tube with electrostatic focusing and electrostatic deflection and a P1 screen. Manufacturer documentation supports compact waveform, measurement, and indicator-display service.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Three-inch oscilloscope and instrument cathode-ray tube with electrostatic focusing and electrostatic deflection and a P11 screen. Manufacturer documentation supports compact waveform, measurement, and indicator-display service.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Three-inch oscilloscope and instrument cathode-ray tube with electrostatic focusing and electrostatic deflection and a P2 screen. Manufacturer documentation supports compact waveform, measurement, and indicator-display service.

Base

Not recorded

Socket

B12A

Heater

6.3 V

Sections

1

CathodeRay

Three-inch cathode-ray tube in an established electrostatic oscilloscope family with P7 screen designation. No separate manufacturer artifact is attached for this exact variant, so additional individual characteristics are not asserted.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Ultra-high-resolution cathode-ray tube with a short-persistence P5 screen, designed by CBS-Hytron for precision photographic recording. Its specialized screen emphasizes fine trace definition rather than persistent visual viewing.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1

CathodeRay

Three-inch rectangular-face Du Mont CRT for small lightweight oscillographs, using a P1 green medium-persistence screen. It was designed as a replacement for the related 3XP instrument-tube family.

Base

Not recorded

Socket

IO

Heater

6.3 V

Sections

1

CathodeRay

Three-inch cathode-ray tube in an established electrostatic oscilloscope family with P11 screen designation. No separate manufacturer artifact is attached for this exact variant, so additional individual characteristics are not asserted.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Three-inch cathode-ray tube in an established electrostatic oscilloscope family with P2 screen designation. No separate manufacturer artifact is attached for this exact variant, so additional individual characteristics are not asserted.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay

Three-inch cathode-ray tube in an established electrostatic oscilloscope family with P7 screen designation. No separate manufacturer artifact is attached for this exact variant, so additional individual characteristics are not asserted.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

CathodeRay-CathodeRay

ETEL 3AZP31 dual-gun electrostatic-focus and electrostatic-deflection oscilloscope CRT with flat green P31 screen, B12F base and 6.3 V 1.25 A parallel-only heater.

Base

B12F

Socket

Not recorded

Heater

6.3 V

Sections

2