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Tube Tinker — Electron Tube Database

Tube cross-reference

6SF7GT alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 6SF7GT voltage radio detector converter. Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 6SF7GT

The following tubes are recorded as possible replacements for 6SF7GT. This direction does not establish that 6SF7GT can replace them.

6SF7

Voltage Radio Detector Converter

Receiving Tubes

The database records 6SF7 as a possible replacement for6SF7GT.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Radio Detector ConverterVoltage Radio Detector Converter
ConstructionDiode-PentodeDiode-Pentode
BaseNot recorded7AZ
SocketIOIO
Base pinsNot recorded8
Sections22
Heater voltageNot recorded6.3 V
Heater currentNot recorded0.3 A

Where 6SF7GT can be used as the replacement

In these recorded relationships, 6SF7GT is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6SF7GT.

6SF7

Voltage Radio Detector Converter

Receiving Tubes

The database records 6SF7GT as a possible replacement for6SF7.

No special restrictions are recorded for this substitution.

Specification6SF7GT replacementOriginal tube
Tube typeVoltage Radio Detector ConverterVoltage Radio Detector Converter
ConstructionDiode-PentodeDiode-Pentode
BaseNot recorded7AZ
SocketIOIO
Base pinsNot recorded8
Sections22
Heater voltageNot recorded6.3 V
Heater currentNot recorded0.3 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 6SF7GT specifications →