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Tube Tinker — Electron Tube Database
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Specialized - Cathode Ray ·CathodeRay

12AVP7

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

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
-

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
-
Nominal heater voltage
-
Nominal heater current
-
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Cathode Ray

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Cathode-ray display/electron-gun section.

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

1960 Du Mont

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristics

  • Heater Voltage

    -

  • Focusing Method

    Electrostatic text

  • Deflection Method

    Electrostatic text

  • Phosphor

    P7 text

  • Fluorescence

    Blue/white text

  • Persistence

    Long text