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Power - Pentode Single (NOT beam) (under 10W) ·Pentode

6K6G

Intermediate-power pentode whose operating characteristics and applications follow the type 41 family. Designed primarily for receiver audio-output service rather than small-signal amplification.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
IO
Base pins
8
Nominal heater
6.3 V / 400 mA

Description

Intermediate-power pentode whose operating characteristics and applications follow the type 41 family.

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
400 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
Transconductance
0.0022 S
Amplification factor
150
Max plate voltage
250 V
Max screen voltage
250 V
Max plate dissipation
8.5 W
Max screen dissipation
2.8 W

Published ratings, characteristics and operating tables reviewed.

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

1937 Raytheon Radio Receiving Tubes

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Maximum plate voltage

    250 V

    Published datasheet rating

  • Maximum screen voltage

    250 V

    Published datasheet rating

  • Plate voltage

    250 V

    ClassA

  • Screen voltage

    250 V

    ClassA

  • Screen current

    5.5 mA

    ClassA

  • Power output

    3.4 W

    ClassA

Characteristic

  • Transconductance

    2200 µS

    Published datasheet characteristic

  • Amplification factor

    150

    Published datasheet characteristic

  • Heater voltage

    6.3 V

    Published heater rating

  • Heater current

    400 mA

    Published heater rating

Data set 02

1948 Brimar Radio Valve Manual

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Power output maximum published

    4.5 W

Data set 03

1958 Brimar Radio Valve No 7

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Power output maximum published

    4.5 W