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Tube cross-reference

4DE6 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 4DE6 voltage pentode - sharp cutoff (single). Compare core specifications and verify every restriction before using a replacement.

Exact variations of 4DE6

These designations belong to the same electrical variation group. Their names may differ because of international standards, manufacturing tolerances, or materials, but they are recorded as electrically equivalent—not merely substitutes.

  • 4CB6

    Voltage Pentode - Sharp Cutoff (single)

    Base
    Not recorded
    Socket
    B7G
    Base pins
    7
    Sections
    1
    Heater voltage
    4.2 V
    Heater current
    0.45 A

Replacement tubes for 4DE6

The following tubes are recorded as possible replacements for 4DE6. This direction does not establish that 4DE6 can replace them.

4AU6

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 4AU6 as a possible replacement for4DE6.

  • Not suitable for all circuits
SpecificationOriginal tubeReplacement
Tube typeVoltage Pentode - Sharp Cutoff (single)Voltage Pentode - Sharp Cutoff (single)
ConstructionPentodePentode
BaseNot recorded7BK
SocketB7GB7G
Base pins77
Sections11
Heater voltage4.2 V4.2 V
Heater current0.45 A0.45 A
4BC5

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 4BC5 as a possible replacement for4DE6.

  • Not suitable for all circuits
SpecificationOriginal tubeReplacement
Tube typeVoltage Pentode - Sharp Cutoff (single)Voltage Pentode - Sharp Cutoff (single)
ConstructionPentodePentode
BaseNot recordedNot recorded
SocketB7GB7G
Base pins77
Sections11
Heater voltage4.2 V4.2 V
Heater current0.45 A0.45 A
4BZ6

Voltage Pentode - Remote Cutoff (single)

Receiving Tubes

The database records 4BZ6 as a possible replacement for4DE6.

  • Not suitable for all circuits
SpecificationOriginal tubeReplacement
Tube typeVoltage Pentode - Sharp Cutoff (single)Voltage Pentode - Remote Cutoff (single)
ConstructionPentodePentode
BaseNot recorded7CM
SocketB7GB7G
Base pins77
Sections11
Heater voltage4.2 V4.2 V
Heater current0.45 A0.45 A
4CB6

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 4CB6 as a possible replacement for4DE6.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Pentode - Sharp Cutoff (single)Voltage Pentode - Sharp Cutoff (single)
ConstructionPentodePentode
BaseNot recordedNot recorded
SocketB7GB7G
Base pins77
Sections11
Heater voltage4.2 V4.2 V
Heater current0.45 A0.45 A
4DK6

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 4DK6 as a possible replacement for4DE6.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Pentode - Sharp Cutoff (single)Voltage Pentode - Sharp Cutoff (single)
ConstructionPentodePentode
BaseNot recordedNot recorded
SocketB7GB7G
Base pins77
Sections11
Heater voltage4.2 V4.2 V
Heater current0.45 A0.45 A

Where 4DE6 can be used as the replacement

In these recorded relationships, 4DE6 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 4DE6.

4AU6

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 4DE6 as a possible replacement for4AU6.

  • Not suitable for all circuits
Specification4DE6 replacementOriginal tube
Tube typeVoltage Pentode - Sharp Cutoff (single)Voltage Pentode - Sharp Cutoff (single)
ConstructionPentodePentode
BaseNot recorded7BK
SocketB7GB7G
Base pins77
Sections11
Heater voltage4.2 V4.2 V
Heater current0.45 A0.45 A
4BC5

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 4DE6 as a possible replacement for4BC5.

  • Not suitable for all circuits
Specification4DE6 replacementOriginal tube
Tube typeVoltage Pentode - Sharp Cutoff (single)Voltage Pentode - Sharp Cutoff (single)
ConstructionPentodePentode
BaseNot recordedNot recorded
SocketB7GB7G
Base pins77
Sections11
Heater voltage4.2 V4.2 V
Heater current0.45 A0.45 A
4BZ6

Voltage Pentode - Remote Cutoff (single)

Receiving Tubes

The database records 4DE6 as a possible replacement for4BZ6.

  • Not suitable for all circuits
Specification4DE6 replacementOriginal tube
Tube typeVoltage Pentode - Sharp Cutoff (single)Voltage Pentode - Remote Cutoff (single)
ConstructionPentodePentode
BaseNot recorded7CM
SocketB7GB7G
Base pins77
Sections11
Heater voltage4.2 V4.2 V
Heater current0.45 A0.45 A
4CB6

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 4DE6 as a possible replacement for4CB6.

No special restrictions are recorded for this substitution.

Specification4DE6 replacementOriginal tube
Tube typeVoltage Pentode - Sharp Cutoff (single)Voltage Pentode - Sharp Cutoff (single)
ConstructionPentodePentode
BaseNot recordedNot recorded
SocketB7GB7G
Base pins77
Sections11
Heater voltage4.2 V4.2 V
Heater current0.45 A0.45 A
4DK6

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 4DE6 as a possible replacement for4DK6.

No special restrictions are recorded for this substitution.

Specification4DE6 replacementOriginal tube
Tube typeVoltage Pentode - Sharp Cutoff (single)Voltage Pentode - Sharp Cutoff (single)
ConstructionPentodePentode
BaseNot recordedNot recorded
SocketB7GB7G
Base pins77
Sections11
Heater voltage4.2 V4.2 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 4DE6 specifications →