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

6L1

Twin triode intended for VHF receiver and tuner service, providing paired triode sections for high-frequency amplification and related front-end functions.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
BSA
Socket code
-
Base pins
8
Nominal heater
6.3 V / 400 mA

Description

Television twin triode with two electrically similar sections for parallel-heater operation.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
BSA
Socket code
-
Base pins
8
Nominal heater voltage
6.3 V
Nominal heater current
400 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

BSA - 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
Transconductance
0.0028 S
Amplification factor
16
Max plate voltage
250 V
Max plate dissipation
3 W

Representative row for two electrically identical triode sections.

Section 2

Triode

X-ray radiationInterelectrode capacitances
Transconductance
0.0028 S
Amplification factor
16
Max plate voltage
250 V
Max plate dissipation
3 W

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

1960 Mazda

Published operating points and test conditions from this source.

SECTION 1

Triode

Capacitance

  • Grid Anode Capacitance

    2.7 pF

  • Grid Earth Capacitance

    2.8 pF

  • Anode Earth Capacitance

    2.4 pF

Other

  • MaximumTotalPlateDissipation

    4 W