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Tube cross-reference

5X4G alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 5X4G rectifier - full wave. Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 5X4G

The following tubes are recorded as possible replacements for 5X4G. This direction does not establish that 5X4G can replace them.

5X4GA

Rectifier - Full Wave

Receiving Tubes

The database records 5X4GA as a possible replacement for5X4G.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeRectifier - Full WaveRectifier - Full Wave
ConstructionRectifier-RectifierRectifier-Rectifier
Base5O5O
SocketIONot recorded
Base pinsNot recordedNot recorded
Sections22
Heater voltage5 V5 V
Heater current3 A3 A

Where 5X4G can be used as the replacement

In these recorded relationships, 5X4G is the replacement tube. The listed original tubes are not automatically suitable as replacements for 5X4G.

5X4GA

Rectifier - Full Wave

Receiving Tubes

The database records 5X4G as a possible replacement for5X4GA.

No special restrictions are recorded for this substitution.

Specification5X4G replacementOriginal tube
Tube typeRectifier - Full WaveRectifier - Full Wave
ConstructionRectifier-RectifierRectifier-Rectifier
Base5O5O
SocketIONot recorded
Base pinsNot recordedNot recorded
Sections22
Heater voltage5 V5 V
Heater current3 A3 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 5X4G specifications →