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Tube cross-reference

6AQ6 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 6AQ6 voltage - triode (with diode, heptode or hexode). Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 6AQ6

The following tubes are recorded as possible replacements for 6AQ6. This direction does not establish that 6AQ6 can replace them.

6AT6

Voltage - Triode (with diode, heptode or hexode)

Receiving Tubes

The database records 6AT6 as a possible replacement for6AQ6.

  • Parallel heater circuits only
SpecificationOriginal tubeReplacement
Tube typeVoltage - Triode (with diode, heptode or hexode)Voltage - Triode (with diode, heptode or hexode)
ConstructionDiode-Diode-TriodeDiode-Diode-Triode
Base7BT7BT
SocketB7GB7G
Base pins77
Sections33
Heater voltage6.3 V6.3 V
Heater current0.15 A0.3 A
6AV6

Voltage - Triode (with diode, heptode or hexode)

Receiving Tubes

The database records 6AV6 as a possible replacement for6AQ6.

  • Parallel heater circuits only
SpecificationOriginal tubeReplacement
Tube typeVoltage - Triode (with diode, heptode or hexode)Voltage - Triode (with diode, heptode or hexode)
ConstructionDiode-Diode-TriodeDiode-Diode-Triode
Base7BT7BT
SocketB7GB7G
Base pins77
Sections33
Heater voltage6.3 V6.3 V
Heater current0.15 A0.3 A
6BK6

Voltage - Triode (with diode, heptode or hexode)

Receiving Tubes

The database records 6BK6 as a possible replacement for6AQ6.

  • Parallel heater circuits only
SpecificationOriginal tubeReplacement
Tube typeVoltage - Triode (with diode, heptode or hexode)Voltage - Triode (with diode, heptode or hexode)
ConstructionDiode-Diode-TriodeDiode-Diode-Triode
Base7BT7BT
SocketB7GB7G
Base pins77
Sections33
Heater voltage6.3 V6.3 V
Heater current0.15 A0.3 A
6BT6

Voltage - Triode (with diode, heptode or hexode)

Receiving Tubes

The database records 6BT6 as a possible replacement for6AQ6.

  • Parallel heater circuits only
SpecificationOriginal tubeReplacement
Tube typeVoltage - Triode (with diode, heptode or hexode)Voltage - Triode (with diode, heptode or hexode)
ConstructionDiode-Diode-TriodeDiode-Diode-Triode
Base7BT7BT
SocketB7GB7G
Base pins77
Sections33
Heater voltage6.3 V6.3 V
Heater current0.15 A0.3 A

Where 6AQ6 can be used as the replacement

In these recorded relationships, 6AQ6 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6AQ6.

6AT6

Voltage - Triode (with diode, heptode or hexode)

Receiving Tubes

The database records 6AQ6 as a possible replacement for6AT6.

  • Parallel heater circuits only
Specification6AQ6 replacementOriginal tube
Tube typeVoltage - Triode (with diode, heptode or hexode)Voltage - Triode (with diode, heptode or hexode)
ConstructionDiode-Diode-TriodeDiode-Diode-Triode
Base7BT7BT
SocketB7GB7G
Base pins77
Sections33
Heater voltage6.3 V6.3 V
Heater current0.15 A0.3 A
6AV6

Voltage - Triode (with diode, heptode or hexode)

Receiving Tubes

The database records 6AQ6 as a possible replacement for6AV6.

  • Parallel heater circuits only
Specification6AQ6 replacementOriginal tube
Tube typeVoltage - Triode (with diode, heptode or hexode)Voltage - Triode (with diode, heptode or hexode)
ConstructionDiode-Diode-TriodeDiode-Diode-Triode
Base7BT7BT
SocketB7GB7G
Base pins77
Sections33
Heater voltage6.3 V6.3 V
Heater current0.15 A0.3 A
6BK6

Voltage - Triode (with diode, heptode or hexode)

Receiving Tubes

The database records 6AQ6 as a possible replacement for6BK6.

  • Parallel heater circuits only
Specification6AQ6 replacementOriginal tube
Tube typeVoltage - Triode (with diode, heptode or hexode)Voltage - Triode (with diode, heptode or hexode)
ConstructionDiode-Diode-TriodeDiode-Diode-Triode
Base7BT7BT
SocketB7GB7G
Base pins77
Sections33
Heater voltage6.3 V6.3 V
Heater current0.15 A0.3 A
6BT6

Voltage - Triode (with diode, heptode or hexode)

Receiving Tubes

The database records 6AQ6 as a possible replacement for6BT6.

  • Parallel heater circuits only
Specification6AQ6 replacementOriginal tube
Tube typeVoltage - Triode (with diode, heptode or hexode)Voltage - Triode (with diode, heptode or hexode)
ConstructionDiode-Diode-TriodeDiode-Diode-Triode
Base7BT7BT
SocketB7GB7G
Base pins77
Sections33
Heater voltage6.3 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 6AQ6 specifications →