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Tube cross-reference

6JD6 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 6JD6 voltage pentode - sharp cutoff (single). Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 6JD6

The following tubes are recorded as possible replacements for 6JD6. This direction does not establish that 6JD6 can replace them.

6HM6

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6HM6 as a possible replacement for6JD6.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Pentode - Sharp Cutoff (single)Voltage Pentode - Sharp Cutoff (single)
ConstructionPentodePentode
BaseE9-19PM
SocketB9AB9A
Base pins99
Sections11
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A
6HT6

Voltage Pentode - Remote Cutoff (single)

Receiving Tubes

The database records 6HT6 as a possible replacement for6JD6.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Pentode - Sharp Cutoff (single)Voltage Pentode - Remote Cutoff (single)
ConstructionPentodePentode
BaseE9-19PM
SocketB9AB7G
Base pins97
Sections11
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A
6JC6

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6JC6 as a possible replacement for6JD6.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Pentode - Sharp Cutoff (single)Voltage Pentode - Sharp Cutoff (single)
ConstructionPentodePentode
BaseE9-19PM
SocketB9AB9A
Base pins99
Sections11
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A
6JC6A

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6JC6A as a possible replacement for6JD6.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Pentode - Sharp Cutoff (single)Voltage Pentode - Sharp Cutoff (single)
ConstructionPentodePentode
BaseE9-1Not recorded
SocketB9AB9A
Base pins99
Sections11
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A

Where 6JD6 can be used as the replacement

In these recorded relationships, 6JD6 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6JD6.

6EH7

Voltage Pentode - Remote Cutoff (single)

Receiving Tubes

The database records 6JD6 as a possible replacement for6EH7.

  • Not suitable for all circuits
Specification6JD6 replacementOriginal tube
Tube typeVoltage Pentode - Sharp Cutoff (single)Voltage Pentode - Remote Cutoff (single)
ConstructionPentodePentode
BaseE9-19AQ
SocketB9AB9A
Base pins99
Sections11
Heater voltage6.3 V6.3 V
Heater current0.3 A0.45 A
6EJ7

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6JD6 as a possible replacement for6EJ7.

  • Not suitable for all circuits
Specification6JD6 replacementOriginal tube
Tube typeVoltage Pentode - Sharp Cutoff (single)Voltage Pentode - Sharp Cutoff (single)
ConstructionPentodePentode
BaseE9-19A0
SocketB9AB9A
Base pins99
Sections11
Heater voltage6.3 V6.3 V
Heater current0.3 A0.45 A
6HM6

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6JD6 as a possible replacement for6HM6.

No special restrictions are recorded for this substitution.

Specification6JD6 replacementOriginal tube
Tube typeVoltage Pentode - Sharp Cutoff (single)Voltage Pentode - Sharp Cutoff (single)
ConstructionPentodePentode
BaseE9-19PM
SocketB9AB9A
Base pins99
Sections11
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A
6HT6

Voltage Pentode - Remote Cutoff (single)

Receiving Tubes

The database records 6JD6 as a possible replacement for6HT6.

No special restrictions are recorded for this substitution.

Specification6JD6 replacementOriginal tube
Tube typeVoltage Pentode - Sharp Cutoff (single)Voltage Pentode - Remote Cutoff (single)
ConstructionPentodePentode
BaseE9-19PM
SocketB9AB7G
Base pins97
Sections11
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A
6JC6

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6JD6 as a possible replacement for6JC6.

No special restrictions are recorded for this substitution.

Specification6JD6 replacementOriginal tube
Tube typeVoltage Pentode - Sharp Cutoff (single)Voltage Pentode - Sharp Cutoff (single)
ConstructionPentodePentode
BaseE9-19PM
SocketB9AB9A
Base pins99
Sections11
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A
6JC6A

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6JD6 as a possible replacement for6JC6A.

No special restrictions are recorded for this substitution.

Specification6JD6 replacementOriginal tube
Tube typeVoltage Pentode - Sharp Cutoff (single)Voltage Pentode - Sharp Cutoff (single)
ConstructionPentodePentode
BaseE9-1Not recorded
SocketB9AB9A
Base pins99
Sections11
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 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 6JD6 specifications →