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Voltage - Dual Triode (similar high frequency) ·Triode-Triode

6L13

Twin triode designed for high-frequency receiver service, providing two triode systems for VHF amplification and associated tuner circuitry.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
-
Socket code
B9A
Base pins
-
Nominal heater
6.3 V / 300 mA

Description

High-mu dual triode for resistance-coupled voltage amplification and phase-inverter service.

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
-
Socket code
B9A
Base pins
-
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

2 physical sections, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
62500 Ω
Transconductance
0.0016 S
Amplification factor
100
Max plate voltage
300 V
Max plate dissipation
1 W
Max cathode current
8 mA

Representative promoted row for identical repeated sections.

Section 2

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
62500 Ω
Transconductance
0.0016 S
Amplification factor
100
Max plate voltage
300 V
Max plate dissipation
1 W
Max cathode current
8 mA

Second physical triode section; electrically identical twin section.

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

1973 Mazda Valves Binder 2

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • HeaterVoltageNominal

    6.3 V

    Nominal

  • HeaterCurrentNominal

    300 mA

    Nominal

  • Maximum Plate Voltage

    300 V

  • Maximum Plate Dissipation

    1 W

  • Maximum Cathode Current

    8 mA

Characteristic

  • Transconductance

    1600 µS

    Typical

  • Amplification Factor

    100

    Typical

  • Plate Resistance

    62500 ohm

    Typical