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Tube cross-reference

DD6 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the DD6 diode (not rectifier). Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for DD6

The following tubes are recorded as possible replacements for DD6. This direction does not establish that DD6 can replace them.

6AL5

Diode (NOT rectifier)

American To Foreign

The database records 6AL5 as a possible replacement forDD6.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeDiode (NOT rectifier)Diode (NOT rectifier)
ConstructionDiode-DiodeDiode-Diode
BaseNot recordedE7-1
SocketNot recordedB7G
Base pinsNot recorded7
Sections22
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A

Where DD6 can be used as the replacement

In these recorded relationships, DD6 is the replacement tube. The listed original tubes are not automatically suitable as replacements for DD6.

5726

Diode (NOT rectifier)

Foreign To American

The database records DD6 as a possible replacement for5726.

No special restrictions are recorded for this substitution.

SpecificationDD6 replacementOriginal tube
Tube typeDiode (NOT rectifier)Diode (NOT rectifier)
ConstructionDiode-DiodeDiode-Diode
BaseNot recordedE7-1
SocketNot recordedB7G
Base pinsNot recorded7
Sections22
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A
6058

Diode (NOT rectifier)

Foreign To American

The database records DD6 as a possible replacement for6058.

No special restrictions are recorded for this substitution.

SpecificationDD6 replacementOriginal tube
Tube typeDiode (NOT rectifier)Diode (NOT rectifier)
ConstructionDiode-DiodeDiode-Diode
BaseNot recorded6BT
SocketNot recordedB7G
Base pinsNot recorded7
Sections22
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A
6AL5

Diode (NOT rectifier)

Foreign To American

The database records DD6 as a possible replacement for6AL5.

No special restrictions are recorded for this substitution.

SpecificationDD6 replacementOriginal tube
Tube typeDiode (NOT rectifier)Diode (NOT rectifier)
ConstructionDiode-DiodeDiode-Diode
BaseNot recordedE7-1
SocketNot recordedB7G
Base pinsNot recorded7
Sections22
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A
6EB5

Diode (NOT rectifier)

Foreign To American

The database records DD6 as a possible replacement for6EB5.

No special restrictions are recorded for this substitution.

SpecificationDD6 replacementOriginal tube
Tube typeDiode (NOT rectifier)Diode (NOT rectifier)
ConstructionDiode-DiodeDiode-Diode
BaseNot recorded6BT
SocketNot recordedNot recorded
Base pinsNot recorded9
Sections22
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 DD6 specifications →