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

A5611X

Large 55–56 cm-class monochrome television picture tube for high-voltage direct viewing, with manufacturer-defined magnetic deflection, focusing, and screen characteristics.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 300 mA

Description

Color television picture tube with three electron beams and shadow-mask phosphor-dot screen.

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
6.3 V
Nominal heater current
300 mA
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.

Published Telefunken ratings and characteristics promoted from the supplied source.

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

1959 Telefunken

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristic

  • HeaterOrFilamentVoltage

    6.3 V

  • HeaterOrFilamentCurrent

    300 mA

  • UsefulScreenDiagonalMinimum

    533 mm

  • UsefulScreenWidthMinimum

    447 mm

  • UsefulScreenHeightMinimum

    337 mm

  • DeflectionMethod

    Magnetic

  • Deflection Angle

    90 degree

  • ElectronBeamCount

    3

  • ScreenConstruction

    Shadow-mask three-color phosphor dots