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Tube cross-reference

4DT6A alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 4DT6A voltage radio detector converter. Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 4DT6A

The following tubes are recorded as possible replacements for 4DT6A. This direction does not establish that 4DT6A can replace them.

4DT6

Voltage Radio Detector Converter

Receiving Tubes

The database records 4DT6 as a possible replacement for4DT6A.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Radio Detector ConverterVoltage Radio Detector Converter
ConstructionPentodePentode
Base7ENNot recorded
SocketB7GB7G
Base pins77
Sections11
Heater voltage4.2 V4.2 V
Heater current0.45 A0.45 A

Where 4DT6A can be used as the replacement

In these recorded relationships, 4DT6A is the replacement tube. The listed original tubes are not automatically suitable as replacements for 4DT6A.

4DT6

Voltage Radio Detector Converter

Receiving Tubes

The database records 4DT6A as a possible replacement for4DT6.

No special restrictions are recorded for this substitution.

Specification4DT6A replacementOriginal tube
Tube typeVoltage Radio Detector ConverterVoltage Radio Detector Converter
ConstructionPentodePentode
Base7ENNot 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 4DT6A specifications →