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Tube cross-reference

12AU7WA alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 12AU7WA voltage - dual triode (similar). Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 12AU7WA

The following tubes are recorded as possible replacements for 12AU7WA. This direction does not establish that 12AU7WA can replace them.

6189

Voltage - Dual Triode (similar)

Communications And Special Purpose Tubes

The database records 6189 as a possible replacement for12AU7WA.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage - Dual Triode (similar)Voltage - Dual Triode (similar)
ConstructionTriode-TriodeTriode-Triode
Base9ANoval
SocketB9AB9A
Base pins99
Sections22
Heater voltage12.6 V12.6 V
Heater current0.15 A0.15 A

Where 12AU7WA can be used as the replacement

In these recorded relationships, 12AU7WA is the replacement tube. The listed original tubes are not automatically suitable as replacements for 12AU7WA.

6189

Voltage - Dual Triode (similar)

Communications And Special Purpose Tubes

The database records 12AU7WA as a possible replacement for6189.

No special restrictions are recorded for this substitution.

Specification12AU7WA replacementOriginal tube
Tube typeVoltage - Dual Triode (similar)Voltage - Dual Triode (similar)
ConstructionTriode-TriodeTriode-Triode
Base9ANoval
SocketB9AB9A
Base pins99
Sections22
Heater voltage12.6 V12.6 V
Heater current0.15 A0.15 A
6680

Voltage - Dual Triode (similar)

Communications And Special Purpose Tubes

The database records 12AU7WA as a possible replacement for6680.

No special restrictions are recorded for this substitution.

Specification12AU7WA replacementOriginal tube
Tube typeVoltage - Dual Triode (similar)Voltage - Dual Triode (similar)
ConstructionTriode-TriodeTriode-Triode
Base9ANot recorded
SocketB9AB9A
Base pins99
Sections22
Heater voltage12.6 V12.6 V
Heater current0.15 A0.15 A
7730

Voltage - Dual Triode (similar)

Communications And Special Purpose Tubes

The database records 12AU7WA as a possible replacement for7730.

No special restrictions are recorded for this substitution.

Specification12AU7WA replacementOriginal tube
Tube typeVoltage - Dual Triode (similar)Voltage - Dual Triode (similar)
ConstructionTriode-TriodeTriode-Triode
Base9AE9-1 / 9A
SocketB9AB9A
Base pins99
Sections22
Heater voltage12.6 V6.3 V
Heater current0.15 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 12AU7WA specifications →