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Tube Tinker — Electron Tube Database

Tube cross-reference

6D10 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 6D10 voltage - triple triode. Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 6D10

The following tubes are recorded as possible replacements for 6D10. This direction does not establish that 6D10 can replace them.

6AV11

Voltage - Triple Triode

Receiving Tubes

The database records 6AV11 as a possible replacement for6D10.

  • Parallel heater circuits only
  • Not suitable for all circuits
SpecificationOriginal tubeReplacement
Tube typeVoltage - Triple TriodeVoltage - Triple Triode
ConstructionTriode-Triode-TriodeTriode-Triode-Triode
Base12BQ12BY
SocketB12CB12C
Base pins1212
Sections33
Heater voltage6.3 V6.3 V
Heater current0.45 A0.6 A
6C10

Voltage - Triple Triode

Receiving Tubes

The database records 6C10 as a possible replacement for6D10.

  • Not suitable for all circuits
SpecificationOriginal tubeReplacement
Tube typeVoltage - Triple TriodeVoltage - Triple Triode
ConstructionTriode-Triode-TriodeTriode-Triode-Triode
Base12BQNot recorded
SocketB12CNot recorded
Base pins1212
Sections33
Heater voltage6.3 V6.3 V
Heater current0.45 A0.55 A
6K11

Voltage - Triple Triode

Receiving Tubes

The database records 6K11 as a possible replacement for6D10.

  • Parallel heater circuits only
  • Not suitable for all circuits
SpecificationOriginal tubeReplacement
Tube typeVoltage - Triple TriodeVoltage - Triple Triode
ConstructionTriode-Triode-TriodeTriode-Triode-Triode
Base12BQE12-70
SocketB12CB12C
Base pins1212
Sections33
Heater voltage6.3 V6.3 V
Heater current0.45 A0.6 A
6Q11

Voltage - Triple Triode

Receiving Tubes

The database records 6Q11 as a possible replacement for6D10.

  • Parallel heater circuits only
  • Not suitable for all circuits
SpecificationOriginal tubeReplacement
Tube typeVoltage - Triple TriodeVoltage - Triple Triode
ConstructionTriode-Triode-TriodeTriode-Triode-Triode
Base12BQ12BY
SocketB12CB12C
Base pins1212
Sections33
Heater voltage6.3 V6.3 V
Heater current0.45 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 6D10 specifications →