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Tube cross-reference

12GT5A alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 12GT5A power - tv horizontal output (sweep). Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 12GT5A

The following tubes are recorded as possible replacements for 12GT5A. This direction does not establish that 12GT5A can replace them.

12GT5

Power - TV Horizontal Output (sweep)

Receiving Tubes

The database records 12GT5 as a possible replacement for12GT5A.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typePower - TV Horizontal Output (sweep)Power - TV Horizontal Output (sweep)
ConstructionBeamPowerBeamPower
BaseNot recordedNot recorded
SocketB9EB9E
Base pins99
Sections11
Heater voltage12.6 V12.6 V
Heater current0.6 A0.6 A

Where 12GT5A can be used as the replacement

In these recorded relationships, 12GT5A is the replacement tube. The listed original tubes are not automatically suitable as replacements for 12GT5A.

12GT5

Power - TV Horizontal Output (sweep)

Receiving Tubes

The database records 12GT5A as a possible replacement for12GT5.

No special restrictions are recorded for this substitution.

Specification12GT5A replacementOriginal tube
Tube typePower - TV Horizontal Output (sweep)Power - TV Horizontal Output (sweep)
ConstructionBeamPowerBeamPower
BaseNot recordedNot recorded
SocketB9EB9E
Base pins99
Sections11
Heater voltage12.6 V12.6 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 12GT5A specifications →