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Power - Beam (NOT sweep) ·BeamPower

6GC5

Beam-power tube for television receiver applications and audio-frequency output service, providing substantial plate dissipation for sound power amplification.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
9EU
Socket code
B9A
Base pins
9
Nominal heater
6.3 V / 1.2 A

Description

Beam-power tube used in television receiver applications and as an audio-frequency output tube.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
9EU
Socket code
B9A
Base pins
9
Nominal heater voltage
6.3 V
Nominal heater current
1.2 A
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

9EU - Terminal pinout

Electrical assignments shared by every tube using this base designation.

TerminalSectionConnectionEvidence
PIN1Base Pin—G2 — Screen Grid

Original chart label: G2; manufacturer verification pending

Unverified

EIA Base Connections, printed page 132, 9EU

PIN3Base Pin—G1 — Control Grid

Original chart label: G1; manufacturer verification pending

Unverified

EIA Base Connections, printed page 132, 9EU

PIN4Base Pin—H — Heater

Original chart label: H; manufacturer verification pending

Unverified

EIA Base Connections, printed page 132, 9EU

PIN5Base Pin—H — Heater

Original chart label: H; manufacturer verification pending

Unverified

EIA Base Connections, printed page 132, 9EU

PIN6Base Pin—G1 — Control Grid

Original chart label: G1; manufacturer verification pending

Unverified

EIA Base Connections, printed page 132, 9EU

PIN7Base Pin—G3 — Suppressor GridGroup 9EU7

Original chart label: G3; manufacturer verification pending

Unverified

EIA Base Connections, printed page 132, 9EU

PIN7Base Pin—K — CathodeGroup 9EU7

Original chart label: K; manufacturer verification pending

Unverified

EIA Base Connections, printed page 132, 9EU

PIN8Base Pin—G2 — Screen Grid

Original chart label: G2; manufacturer verification pending

Unverified

EIA Base Connections, printed page 132, 9EU

PIN9Base Pin—P — Plate (Anode)

Original chart label: P; manufacturer verification pending

Unverified

EIA Base Connections, printed page 132, 9EU

Section ratings

1 physical section, each with unique specifications.

Section 1

Beam Power

X-ray radiationInterelectrode capacitances
Plate resistance
13000 Ω
Transconductance
0.008 S
Max plate voltage
220 V
Max screen voltage
140 V
Max plate dissipation
12 W
Max screen dissipation
1.4 W
Max cathode current
55 mA

Published section data extracted from approved source.

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

Beam Power

Other

  • PlateVoltageTypical

    200 V

    Published operating/characteristic value

  • PlateCurrentTypical

    47 mA

    Published operating/characteristic value

Data set 02

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • Heater voltage

    6.3 V

  • Heater current

    1.2 A

  • Plate voltage

    220 V

    Typical operating conditions

  • Screen voltage

    140 V

    Typical operating conditions

Data set 03

1965 Sylvania Electronic Tubes Vol3

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristic

  • Plate resistance

    13000 ohm

  • Transconductance

    8000 uS

Other

  • Heater voltage

    6.3 V

  • Heater current

    1.2 A

  • Typical plate voltage

    110 V

    ClassA

  • Typical screen-grid voltage

    110 V

    ClassA

  • Zero-signal plate current

    49 mA

    ClassA

  • Maximum-signal plate current

    50 mA

    ClassA

  • Power output

    2.1 W

    ClassA

  • Load resistance

    2000 ohm

    ClassA

Data set 04

1966 Tung Sol Electronic Tubes 2 of 4

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Capacitance

  • Grid #1-to-plate capacitance

    0.9 pF

  • Input capacitance

    18 pF

  • Output capacitance

    7 pF

Other

  • Plate voltage

    110 V

    ClassA;SingleTube

  • Screen voltage

    110 V

    ClassA;SingleTube

  • Grid #1 voltage

    -4.5 V

    ClassA;SingleTube

  • Zero-signal plate current

    49 mA

    ClassA;SingleTube

  • Maximum-signal plate current

    50 mA

    ClassA;SingleTube

  • Zero-signal screen current

    4 mA

    ClassA;SingleTube

  • Maximum-signal screen current

    10 mA

    ClassA;SingleTube

  • Load resistance

    2000 ohm

    ClassA;SingleTube

  • Power output

    2.1 W

    ClassA;SingleTube

Data set 05

1971 RCA HB3 Binder 5 of 7

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • Heater voltage

    6.3 V

  • Heater current

    1.2 A

  • Plate voltage

    200 V

    ClassA

  • Screen voltage

    125 V

    ClassA

  • Plate current

    46 mA

    ClassA

  • Screen current

    2.2 mA

    ClassA

  • Load resistance

    4000 ohm

    ClassA

  • Power output

    3.8 W

    ClassA

  • Maximum plate voltage

    220 V

  • Maximum screen voltage

    140 V

  • Plate dissipation

    12 W

Characteristic

  • Plate resistance

    28000 ohm

    ClassA

  • Transconductance

    8000 uS

    ClassA

Capacitance

  • Grid-to-plate capacitance

    0.9 pF

  • Input capacitance

    18 pF

  • Output capacitance

    7 pF

Data set 06

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • Heater Voltage (ac/dc)

    6.3 V

    Published in approved 6GC5 target entry; Section1

  • Heater Current

    1.2 A

    Published in approved 6GC5 target entry; Section1

  • Plate Voltage

    220 V

    Published in approved 6GC5 target entry; Section1

  • Grid-No.2 (Screen-Grid) Voltage

    140 V

    Published in approved 6GC5 target entry; Section1

  • Plate Dissipation

    12 W

    Published in approved 6GC5 target entry; Section1

  • Grid-No.2 Input

    1.4 W

    Published in approved 6GC5 target entry; Section1

  • Plate Voltage 110

    200 V

    Published in approved 6GC5 target entry; Section1

  • Grid-No.2 Voltage 110

    125 V

    Published in approved 6GC5 target entry; Section1

  • 7,5

    8.6 V

    Published in approved 6GC5 target entry; Section1

  • Zero-Signal Plate Current 49

    46 mA

    Published in approved 6GC5 target entry; Section1

  • Maximum-Signal Plate Current 50

    47 mA

    Published in approved 6GC5 target entry; Section1

  • Zero-Signal Grid-No.2 Current 4

    2.2 mA

    Published in approved 6GC5 target entry; Section1

  • Maximum-Signal Grid-No.2 Current 10

    8.5 mA

    Published in approved 6GC5 target entry; Section1

  • Plate Resistance (Approx.) 13000

    28000 Ω

    Published in approved 6GC5 target entry; Section1

  • Load Resistance 2000

    4000 Ω

    Published in approved 6GC5 target entry; Section1

  • Total Harmonic Distortion 10

    10 %

    Published in approved 6GC5 target entry; Section1

  • Maximum-Signal Power Output 2.1

    3.8 W

    Published in approved 6GC5 target entry; Section1

  • For fixed -bias operation

    0.1 MΩ

    Published in approved 6GC5 target entry; Section1

  • For cathode-bias operation

    0.5 MΩ

    Published in approved 6GC5 target entry; Section1

Capacitance

  • Grid No.l to Plate

    0.9 pF

    Published in approved 6GC5 target entry; Section1

  • Grid No.l to Cathode, Heater, Grid No.2, and Grid No.3

    18 pF

    Published in approved 6GC5 target entry; Section1

  • Plate to Cathode. Heater, Grid No.2, and Grid No.3

    7 pF

    Published in approved 6GC5 target entry; Section1