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Tube cross-reference

6AC10 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 6AC10 voltage - triple triode. Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 6AC10

The following tubes are recorded as possible replacements for 6AC10. This direction does not establish that 6AC10 can replace them.

6U10

Voltage - Triple Triode

Receiving Tubes

The database records 6U10 as a possible replacement for6AC10.

  • Not suitable for all circuits
SpecificationOriginal tubeReplacement
Tube typeVoltage - Triple TriodeVoltage - Triple Triode
ConstructionTriode-Triode-TriodeTriode-Triode-Triode
BaseE12-70EIA 12FE
SocketB12CB12C
Base pins1212
Sections33
Heater voltage6.3 V6.3 V
Heater current0.6 A0.6 A

Where 6AC10 can be used as the replacement

In these recorded relationships, 6AC10 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6AC10.

6U10

Voltage - Triple Triode

Receiving Tubes

The database records 6AC10 as a possible replacement for6U10.

  • Not suitable for all circuits
Specification6AC10 replacementOriginal tube
Tube typeVoltage - Triple TriodeVoltage - Triple Triode
ConstructionTriode-Triode-TriodeTriode-Triode-Triode
BaseE12-70EIA 12FE
SocketB12CB12C
Base pins1212
Sections33
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 6AC10 specifications →