6AH7GT

Twin triode designed for converter and audio applications, combining two triode units in an octal glass envelope for receiver signal-processing and amplification duties.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: 8BE
Socket code: IO
Base pins: 8
Nominal heater: 6.3 V / 300 mA

Description

The Ken-Rad 84H7GT is a cathode type of tube consisting of two triodes within 2 single anvelope. It was designed for use in converter and audio applications. The SLH7GT is a glass tube equipped with an octal base.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 8BE
Socket code: IO
Base pins: 8
Nominal heater voltage: 6.3 V
Nominal heater current: 300 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

8BE - 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

Plate resistance: 6600 Ω
Transconductance: 0.0024 S
Amplification factor: 16
Max plate voltage: 300 V
Max plate dissipation: 2.5 W

Representative identical section.

Section 2

Triode

X-ray radiationInterelectrode capacitances

Plate resistance: 6600 Ω
Transconductance: 0.0024 S
Amplification factor: 16
Max plate voltage: 300 V
Max plate dissipation: 2.5 W

Second identical physical triode section; added to align rows with SectionCount.

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

1937 Ken Rad

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Plate Voltage
300 V
Maximum Plate Voltage 300 Volts/Plzie
Maximum Plate Dissipation
2.5 W
Maximum Plate Dissipation 2.5 Watts/Plate
Grid Voltage
-3 V
Grid Voltage -3 Volts
Amplification Factor
16 ratio
Amplification Factor 16
Plate Resistance
6600 ohm
Plate Resistance 6600 Ohms
Plate voltage
250 V
EachTriodeSection
Grid voltage
-3 V
EachTriodeSection
Plate current
12 mA
EachTriodeSection

Data set 02

195X General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Plate voltage
180 V
ClassA;PerSection
Grid voltage
-6.5 V
ClassA;PerSection
Plate current
7.6 mA
ClassA;PerSection