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Specialized - Cathode Ray ·CathodeRay

12ARP2

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.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
2
Base
-
Socket code
B12C
Base pins
14
Nominal heater
6.3 V / 600 mA

Description

12.5-inch dual-beam electrostatic CRT; two equal electron-gun/beam systems. This description is based on the supplied General Electric datasheet.

Socket description

Duodecar 12-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B12C
Base pins
14
Nominal heater voltage
6.3 V
Nominal heater current
600 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

2 physical sections, with 1 unique section. The remaining sections have identical specifications.

Section 1

Cathode Ray

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Representative electron-gun/beam section; dual-beam CRT.

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.

No source-specific operating conditions are recorded.