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Tube cross-reference

3DT6 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 3DT6 voltage radio detector converter. Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 3DT6

The following tubes are recorded as possible replacements for 3DT6. This direction does not establish that 3DT6 can replace them.

3DT6A

Voltage Radio Detector Converter

Receiving Tubes

The database records 3DT6A as a possible replacement for3DT6.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Radio Detector ConverterVoltage Radio Detector Converter
ConstructionPentodePentode
BaseNot recorded7EN
SocketB7GB7G
Base pins77
Sections11
Heater voltage3.15 V3.15 V
Heater current0.6 A0.6 A

Where 3DT6 can be used as the replacement

In these recorded relationships, 3DT6 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 3DT6.

3DT6A

Voltage Radio Detector Converter

Receiving Tubes

The database records 3DT6 as a possible replacement for3DT6A.

No special restrictions are recorded for this substitution.

Specification3DT6 replacementOriginal tube
Tube typeVoltage Radio Detector ConverterVoltage Radio Detector Converter
ConstructionPentodePentode
BaseNot recorded7EN
SocketB7GB7G
Base pins77
Sections11
Heater voltage3.15 V3.15 V
Heater current0.6 A0.6 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 3DT6 specifications →