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Tube cross-reference

6SN7GTA alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 6SN7GTA voltage - dual triode (similar). Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 6SN7GTA

The following tubes are recorded as possible replacements for 6SN7GTA. This direction does not establish that 6SN7GTA can replace them.

6SN7GTB

Voltage - Dual Triode (similar)

Receiving Tubes

The database records 6SN7GTB as a possible replacement for6SN7GTA.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage - Dual Triode (similar)Voltage - Dual Triode (similar)
ConstructionTriode-TriodeTriode-Triode
Base8BDRETMA 8BD
SocketIOIO
Base pins88
Sections22
Heater voltage6.3 V6.3 V
Heater current0.6 A0.6 A

Where 6SN7GTA can be used as the replacement

In these recorded relationships, 6SN7GTA is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6SN7GTA.

6SN7GT

Voltage - Dual Triode (similar)

Receiving Tubes

The database records 6SN7GTA as a possible replacement for6SN7GT.

No special restrictions are recorded for this substitution.

Specification6SN7GTA replacementOriginal tube
Tube typeVoltage - Dual Triode (similar)Voltage - Dual Triode (similar)
ConstructionTriode-TriodeTriode-Triode
Base8BD8BD
SocketIOIO
Base pins88
Sections22
Heater voltage6.3 V6.3 V
Heater current0.6 A0.6 A
6SN7GTB

Voltage - Dual Triode (similar)

Receiving Tubes

The database records 6SN7GTA as a possible replacement for6SN7GTB.

  • Parallel heater circuits only
  • No-warmup series circuits only
Specification6SN7GTA replacementOriginal tube
Tube typeVoltage - Dual Triode (similar)Voltage - Dual Triode (similar)
ConstructionTriode-TriodeTriode-Triode
Base8BDRETMA 8BD
SocketIOIO
Base pins88
Sections22
Heater voltage6.3 V6.3 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 6SN7GTA specifications →