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6AH9

Compactron frame-grid sharp-cutoff video pentode plus medium-mu triode for color-television video and blanking applications.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: E12-70
Socket code: B12C
Base pins: 12
Nominal heater: 6.3 V / 900 mA

Description

The 6AH9 contains a sharp-cutoff frame-grid pentode primarily for video amplifier service and a medium-mu triode for color-blanker or general-purpose applications in color television receivers.

Socket description

Duodecar 12-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: E12-70
Socket code: B12C
Base pins: 12
Nominal heater voltage: 6.3 V
Nominal heater current: 900 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

E12-70 - 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

Pentode

X-ray radiationInterelectrode capacitances

Plate resistance: 55000 Ω
Transconductance: 0.021 S
Max plate voltage: 400 V
Max plate dissipation: 10 W
Max screen dissipation: 1 W

Sharp-cutoff frame-grid video pentode.

Section 2

Triode

X-ray radiationInterelectrode capacitances

Plate resistance: 7500 Ω
Transconductance: 0.00267 S
Amplification factor: 20
Max plate voltage: 330 V
Max plate dissipation: 2 W

Medium-mu triode; color blanker/general-purpose service.

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

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

HeaterOrFilamentVoltageNominal
6.3 V
HeaterOrFilamentCurrentNominal
900 mA
Maximum Plate Voltage
400 V
Maximum Screen Voltage
330 V
Maximum Plate Dissipation
10 W
Maximum Screen Dissipation
1 W

Characteristic

Plate Resistance
55000 Ohm
Transconductance
21000 uS

SECTION 2

Triode

Characteristic

Plate Resistance
7500 Ohm
Transconductance
2670 uS
Amplification Factor
20

Other

Maximum Plate Voltage
330 V
Maximum Plate Dissipation
2 W