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Tube cross-reference

6SD7GT alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 6SD7GT voltage pentode - remote cutoff (single). Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 6SD7GT

The following tubes are recorded as possible replacements for 6SD7GT. This direction does not establish that 6SD7GT can replace them.

6SE7GT

Voltage Radio Detector Converter

Receiving Tubes

The database records 6SE7GT as a possible replacement for6SD7GT.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Pentode - Remote Cutoff (single)Voltage Radio Detector Converter
ConstructionPentodePentode
BaseNot recorded8N
SocketIOIO
Base pins88
Sections11
Heater voltage6.3 V6.3 V
Heater current0.3 A0.3 A

Where 6SD7GT can be used as the replacement

In these recorded relationships, 6SD7GT is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6SD7GT.

6SE7GT

Voltage Radio Detector Converter

Receiving Tubes

The database records 6SD7GT as a possible replacement for6SE7GT.

No special restrictions are recorded for this substitution.

Specification6SD7GT replacementOriginal tube
Tube typeVoltage Pentode - Remote Cutoff (single)Voltage Radio Detector Converter
ConstructionPentodePentode
BaseNot recorded8N
SocketIOIO
Base pins88
Sections11
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 6SD7GT specifications →