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Tube cross-reference

12A6GT alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 12A6GT power - beam single (not sweep) (under 10w). Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 12A6GT

The following tubes are recorded as possible replacements for 12A6GT. This direction does not establish that 12A6GT can replace them.

12A6

Power - Beam Single (NOT sweep) (under 10W)

Receiving Tubes

The database records 12A6 as a possible replacement for12A6GT.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typePower - Beam Single (NOT sweep) (under 10W)Power - Beam Single (NOT sweep) (under 10W)
ConstructionBeamPowerBeamPower
BaseNot recordedNot recorded
SocketIOIO
Base pins77
Sections11
Heater voltage12.6 V12.6 V
Heater current0.15 A0.15 A
12V6GT

Power - Beam (NOT sweep)

Receiving Tubes

The database records 12V6GT as a possible replacement for12A6GT.

  • Parallel heater circuits only
  • Not suitable for all circuits
SpecificationOriginal tubeReplacement
Tube typePower - Beam Single (NOT sweep) (under 10W)Power - Beam (NOT sweep)
ConstructionBeamPowerBeamPower
BaseNot recorded7AC
SocketIOIO
Base pins78
Sections11
Heater voltage12.6 V12.6 V
Heater current0.15 A0.225 A

Where 12A6GT can be used as the replacement

In these recorded relationships, 12A6GT is the replacement tube. The listed original tubes are not automatically suitable as replacements for 12A6GT.

12A6

Power - Beam Single (NOT sweep) (under 10W)

Receiving Tubes

The database records 12A6GT as a possible replacement for12A6.

No special restrictions are recorded for this substitution.

Specification12A6GT replacementOriginal tube
Tube typePower - Beam Single (NOT sweep) (under 10W)Power - Beam Single (NOT sweep) (under 10W)
ConstructionBeamPowerBeamPower
BaseNot recordedNot recorded
SocketIOIO
Base pins77
Sections11
Heater voltage12.6 V12.6 V
Heater current0.15 A0.15 A
12V6GT

Power - Beam (NOT sweep)

Receiving Tubes

The database records 12A6GT as a possible replacement for12V6GT.

  • Parallel heater circuits only
  • Not suitable for all circuits
Specification12A6GT replacementOriginal tube
Tube typePower - Beam Single (NOT sweep) (under 10W)Power - Beam (NOT sweep)
ConstructionBeamPowerBeamPower
BaseNot recorded7AC
SocketIOIO
Base pins78
Sections11
Heater voltage12.6 V12.6 V
Heater current0.15 A0.225 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 12A6GT specifications →