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Tube cross-reference

6J7G alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 6J7G voltage - radio detector converter. Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 6J7G

The following tubes are recorded as possible replacements for 6J7G. This direction does not establish that 6J7G can replace them.

6J7

Voltage - Radio Detector Converter

Receiving Tubes

The database records 6J7 as a possible replacement for6J7G.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage - Radio Detector ConverterVoltage - Radio Detector Converter
ConstructionPentodePentode
Base7R7R
SocketUX7UX7
Base pins77
Sections11
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A
6J7GT

Voltage - Radio Detector Converter

Receiving Tubes

The database records 6J7GT as a possible replacement for6J7G.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage - Radio Detector ConverterVoltage - Radio Detector Converter
ConstructionPentodePentode
Base7R7R
SocketUX7IO
Base pins77
Sections11
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A
6W7G

Voltage - Pentode Sharp Cutoff (single)

Receiving Tubes

The database records 6W7G as a possible replacement for6J7G.

  • Parallel heater circuits only
SpecificationOriginal tubeReplacement
Tube typeVoltage - Radio Detector ConverterVoltage - Pentode Sharp Cutoff (single)
ConstructionPentodePentode
Base7R7R
SocketUX7IO
Base pins78
Sections11
Heater voltage6.3 V6.3 V
Heater current0.3 A0.15 A

Where 6J7G can be used as the replacement

In these recorded relationships, 6J7G is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6J7G.

6J7

Voltage - Radio Detector Converter

Receiving Tubes

The database records 6J7G as a possible replacement for6J7.

No special restrictions are recorded for this substitution.

Specification6J7G replacementOriginal tube
Tube typeVoltage - Radio Detector ConverterVoltage - Radio Detector Converter
ConstructionPentodePentode
Base7R7R
SocketUX7UX7
Base pins77
Sections11
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A
6J7GT

Voltage - Radio Detector Converter

Receiving Tubes

The database records 6J7G as a possible replacement for6J7GT.

No special restrictions are recorded for this substitution.

Specification6J7G replacementOriginal tube
Tube typeVoltage - Radio Detector ConverterVoltage - Radio Detector Converter
ConstructionPentodePentode
Base7R7R
SocketUX7IO
Base pins77
Sections11
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A
6W7G

Voltage - Pentode Sharp Cutoff (single)

Receiving Tubes

The database records 6J7G as a possible replacement for6W7G.

  • Parallel heater circuits only
Specification6J7G replacementOriginal tube
Tube typeVoltage - Radio Detector ConverterVoltage - Pentode Sharp Cutoff (single)
ConstructionPentodePentode
Base7R7R
SocketUX7IO
Base pins78
Sections11
Heater voltage6.3 V6.3 V
Heater current0.3 A0.15 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 6J7G specifications →