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Tube cross-reference

6SC7GT alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 6SC7GT voltage - dual triode (similar). Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 6SC7GT

The following tubes are recorded as possible replacements for 6SC7GT. This direction does not establish that 6SC7GT can replace them.

6SC7

Voltage - Dual Triode (similar)

Receiving Tubes

The database records 6SC7 as a possible replacement for6SC7GT.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage - Dual Triode (similar)Voltage - Dual Triode (similar)
ConstructionTriode-TriodeTriode-Triode
BaseNot recordedRETMA 8S
SocketIOIO
Base pinsNot recorded8
Sections22
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A

Where 6SC7GT can be used as the replacement

In these recorded relationships, 6SC7GT is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6SC7GT.

6SC7

Voltage - Dual Triode (similar)

Receiving Tubes

The database records 6SC7GT as a possible replacement for6SC7.

No special restrictions are recorded for this substitution.

Specification6SC7GT replacementOriginal tube
Tube typeVoltage - Dual Triode (similar)Voltage - Dual Triode (similar)
ConstructionTriode-TriodeTriode-Triode
BaseNot recordedRETMA 8S
SocketIOIO
Base pinsNot recorded8
Sections22
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 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 6SC7GT specifications →