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Tube Tinker — Electron Tube Database
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Voltage Pentode or Tetrode (with diode) ·Diode-Pentode

1N6G

Battery-receiver combination tube containing a detector diode and power-amplifier pentode for signal detection and audio output service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
7AM
Socket code
IO
Base pins
8
Nominal heater
1.4 V / 50 mA

Description

Combined detector diode and power-amplifier pentode for battery receivers. Electrical ratings and representative operating data were extracted from the approved manual page.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
7AM
Socket code
IO
Base pins
8
Nominal heater voltage
1.4 V
Nominal heater current
50 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

7AM - 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
300000 Ω
Transconductance
0.0008 S
Max plate voltage
110 V
Max screen voltage
110 V

Combined detector diode and power-amplifier pentode for battery receivers.

Section 2

Diode

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Diode section; source publishes limited separate diode ratings/characteristics.

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

1950 Sylvania

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Plate Voltage

    90 V

  • Screen Voltage

    90 V

  • Grid Voltage

    -4.5 V

  • Plate Current

    3.1 mA

  • Screen Current

    0.6 mA

  • Load Impedance

    25000 ohm

  • Power Output

    100 mW

    3.5 V RMS signal

Data set 02

195X General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Plate voltage

    90 V

    ClassA; OperatingPoint1

  • Screen voltage

    90 V

    ClassA; OperatingPoint1

  • Control-grid bias

    4.5 V

    ClassA; OperatingPoint1

  • Plate current

    3.4 mA

    ClassA; OperatingPoint1

  • Screen current

    0.7 mA

    ClassA; OperatingPoint1

  • Load resistance

    25000 ohm

    ClassA; OperatingPoint1

  • Power output

    0.1 W

    ClassA; OperatingPoint1