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Voltage - Dual Triode (dissimilar) ·Triode-Triode

6N6G

Direct-coupled dual-triode power-amplifier tube for audio-frequency output service, providing about 4 watts Class-A output.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
7AU
Socket code
IO
Base pins
8
Nominal heater
6.3 V / 800 mA

Description

Direct-coupled power-amplifier triode for audio-frequency output service.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
7AU
Socket code
IO
Base pins
8
Nominal heater voltage
6.3 V
Nominal heater current
800 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

7AU - 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
24100 Ω
Transconductance
0.0024 S

Promoted from printed maximum-rating/characteristic columns; additional published operating points and capacitances retained as parameters.

Section 2

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
24000 Ω
Transconductance
0.0024 S
Max plate voltage
300 V

Promoted from printed maximum-rating/characteristic columns; additional published operating points and capacitances retained as parameters.

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

  • Direct-coupled driver section

    1

    InternalDirectCoupling

SECTION 2

Triode

Other

  • Plate voltage

    300 V

    ClassA

  • Screen voltage

    300 V

    ClassA

  • Control-grid voltage

    0 V

    ClassA

  • Plate current

    45 mA

    ClassA

  • Load resistance

    7000 Ω

    ClassA

  • Power output

    4 W

    ClassA

Characteristic

  • Plate resistance

    24000 Ω

    ClassA

  • Transconductance

    2400 µS

    ClassA

Data set 02

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Heater voltage

    6.3 V

  • Heater current

    800 mA

  • Plate current

    234551 mA

    Typical operating conditions

SECTION 2

Triode

Other

  • Heater voltage

    6.3 V

  • Heater current

    800 mA

  • Plate current

    234551 mA

    Typical operating conditions