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Tube cross-reference

5JL6 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 5JL6 voltage pentode - remote cutoff (single). Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 5JL6

The following tubes are recorded as possible replacements for 5JL6. This direction does not establish that 5JL6 can replace them.

5EW6

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 5EW6 as a possible replacement for5JL6.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Pentode - Remote Cutoff (single)Voltage Pentode - Sharp Cutoff (single)
ConstructionPentodePentode
BaseNot recorded7CM
SocketB9AB7G
Base pins97
Sections11
Heater voltage5 V5.6 V
Heater current0.45 A0.45 A
5JK6

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 5JK6 as a possible replacement for5JL6.

  • Not suitable for all circuits
SpecificationOriginal tubeReplacement
Tube typeVoltage Pentode - Remote Cutoff (single)Voltage Pentode - Sharp Cutoff (single)
ConstructionPentodePentode
BaseNot recordedNot recorded
SocketB9AB9A
Base pins99
Sections11
Heater voltage5 V4.9 V
Heater current0.45 A0.45 A

Where 5JL6 can be used as the replacement

In these recorded relationships, 5JL6 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 5JL6.

5JK6

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 5JL6 as a possible replacement for5JK6.

  • Not suitable for all circuits
Specification5JL6 replacementOriginal tube
Tube typeVoltage Pentode - Remote Cutoff (single)Voltage Pentode - Sharp Cutoff (single)
ConstructionPentodePentode
BaseNot recordedNot recorded
SocketB9AB9A
Base pins99
Sections11
Heater voltage5 V4.9 V
Heater current0.45 A0.45 A

Verify before substituting

Matching a base or heater voltage is not enough to prove that two tubes are interchangeable. Check pin connections, heater current, maximum ratings, bias requirements, warm-up behavior, and the equipment manufacturer’s service documentation before making a substitution.

View the complete 5JL6 specifications →