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Power - Pentode (NOT beam) ·Pentode-Pentode

6AD10A

Dual-pentode television tube combining a sharp-cutoff FM detector section with a separate audio power-output pentode.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
E12-70
Socket code
B12C
Base pins
12
Nominal heater
6.3 V / 1.05 A

Description

The 6AD10-A contains a sharp-cutoff dual-control pentode for FM detector service and a power pentode for audio-frequency output amplification 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
1.05 A
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
100000 Ω
Transconductance
0.0065 S
Max plate voltage
300 V
Max screen voltage
300 V
Max plate dissipation
12 W
Max screen dissipation
2.5 W

Power pentode section; audio-frequency output amplifier.

Section 2

Pentode

X-ray radiationInterelectrode capacitances
Plate resistance
110000 Ω
Transconductance
0.0025 S
Max plate voltage
300 V
Max screen dissipation
1 W

Sharp-cutoff dual-control pentode section; FM detector. Grid-3 transconductance 850 uS retained as parameter.

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

    1.05 A

  • Maximum Plate Voltage

    300 V

  • Maximum Screen Voltage

    300 V

  • Maximum Plate Dissipation

    12 W

  • Maximum Screen Dissipation

    2.5 W

  • Typical Plate Voltage

    250 V

    ClassA

  • Typical Screen Voltage

    250 V

    ClassA

Characteristic

  • Plate Resistance

    100000 Ohm

  • Transconductance

    6500 uS

SECTION 2

Pentode

Characteristic

  • Plate Resistance

    110000 Ohm

  • Transconductance

    2500 uS

  • Grid3 Transconductance

    850 uS

Other

  • Maximum Plate Voltage

    300 V

  • Maximum Screen Dissipation

    1 W