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Power - Triode ·Triode-Triode

6AC6G

Triadyne power-output tube for small AC receivers using approximately 180 V plate supplies, with single-ended Class-A and push-pull audio operation.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
-
Socket code
OCTAL7
Base pins
8
Nominal heater
6.3 V / 1.1 A

Description

A Triadyne output tube designed for small AC receivers operating from a low 180 V plate supply. The bulletin gives single-ended Class A and push-pull operation with several watts of audio output.

Socket description

7-contact octal-family base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
OCTAL7
Base pins
8
Nominal heater voltage
6.3 V
Nominal heater current
1.1 A
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, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
18000 Ω
Transconductance
0.003 S
Amplification factor
54
Max plate voltage
180 V

Published characteristics describe the dynamic-coupled input/output structure.

Section 2

Triode

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Second physical triode section; dissimilar common-cathode dual-triode structure per reviewed datasheet.

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

1938 Triadyne

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • PlateCurrentOutput

    45 mA

    ClassA;OneTube

  • PlateCurrentInput

    7 mA

    ClassA;OneTube

  • Load Resistance

    4000 ohm

    ClassA;OneTube

  • Power Output

    3.8 W

    ClassA;OneTube

  • Power Output

    9.5 W

    PushPull;TwoTubes