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Voltage Pentode - Remote Cutoff (single) ·Pentode

6R6G

Remote-cutoff pentode amplifier suited to amplifying sweep-oscillator output in cathode-ray oscillograph and television sweep circuits. Its variable-gain characteristic supports controlled amplification in deflection-related signal stages.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
IO
Base pins
8
Nominal heater
6.3 V / 300 mA

Description

Remote-cutoff pentode amplifier suited to amplify sweep-oscillator output in cathode-ray oscillograph and television sweep circuits.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
IO
Base pins
8
Nominal heater voltage
6.3 V
Nominal heater current
300 mA
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

1 physical section, each with unique specifications.

Section 1

Pentode

X-ray radiationInterelectrode capacitances
Plate resistance
300000 Ω
Transconductance
0.00148 S
Max plate voltage
150 V
Max screen voltage
75 V

Published section data promoted where applicable; additional operating values 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

1939 Arcturus

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Plate voltage

    250 V

    LowVoltage

  • Screen-grid voltage

    100 V

    LowVoltage

  • Control-grid voltage

    -3 V

    LowVoltage

  • Plate current

    7 mA

    LowVoltage

  • Screen-grid current

    1.7 mA

    LowVoltage