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1J6GT

Directly heated twin-triode power amplifier intended for Class-B push-pull battery-receiver service, using a 2.0 V filament and delivering about two watts of audio output.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: 7AB
Socket code: -
Base pins: 7
Nominal heater: 2 V / 240 mA

Description

1J6GT is listed as a twin-triode power amplifier in the supplied receiving-tube handbook. It uses a 2.0 V, 0.24 A directly heated filament. The handbook publishes maximum ratings and representative operating characteristics for its intended service.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 7AB
Socket code: -
Base pins: 7
Nominal heater voltage: 2 V
Nominal heater current: 240 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

7AB - 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, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances

Max plate voltage: 135 V

Published handbook maximum ratings and representative operating characteristics reviewed.

Section 2

Triode

X-ray radiationInterelectrode capacitances

Max plate voltage: 135 V

Identical second physical section; duplicated from representative section per physical-section-row policy.

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

195X General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Maximum plate voltage
135 V
Published handbook rating
Plate voltage
135 V
ClassB PushPull TwoTubes
Control-grid voltage
0 V
ClassA
Plate current
5 mA
ClassA
Load resistance
10000 ohm
ClassB PushPull TwoTubes
Power output
2.1 W
ClassB PushPull TwoTubes

Characteristic

Filament voltage
2 V
DirectlyHeated DC filament
Filament current
240 mA
DirectlyHeated DC filament