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Tube cross-reference

12EA6 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 12EA6 voltage pentode or tetrode (under 100v). Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 12EA6

The following tubes are recorded as possible replacements for 12EA6. This direction does not establish that 12EA6 can replace them.

12DZ6

Voltage Pentode or Tetrode (under 100V)

Receiving Tubes

The database records 12DZ6 as a possible replacement for12EA6.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Pentode or Tetrode (under 100V)Voltage Pentode or Tetrode (under 100V)
ConstructionPentodePentode
Base7BK7BK
SocketB7GB7G
Base pins77
Sections11
Heater voltage12.6 V12.6 V
Heater current0.175 A0.19 A
12EK6

Voltage Pentode or Tetrode (under 100V)

Receiving Tubes

The database records 12EK6 as a possible replacement for12EA6.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Pentode or Tetrode (under 100V)Voltage Pentode or Tetrode (under 100V)
ConstructionPentodePentode
Base7BKNot recorded
SocketB7GB7G
Base pins77
Sections11
Heater voltage12.6 V12.6 V
Heater current0.175 A0.19 A

Where 12EA6 can be used as the replacement

In these recorded relationships, 12EA6 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 12EA6.

12DZ6

Voltage Pentode or Tetrode (under 100V)

Receiving Tubes

The database records 12EA6 as a possible replacement for12DZ6.

No special restrictions are recorded for this substitution.

Specification12EA6 replacementOriginal tube
Tube typeVoltage Pentode or Tetrode (under 100V)Voltage Pentode or Tetrode (under 100V)
ConstructionPentodePentode
Base7BK7BK
SocketB7GB7G
Base pins77
Sections11
Heater voltage12.6 V12.6 V
Heater current0.175 A0.19 A
12EK6

Voltage Pentode or Tetrode (under 100V)

Receiving Tubes

The database records 12EA6 as a possible replacement for12EK6.

No special restrictions are recorded for this substitution.

Specification12EA6 replacementOriginal tube
Tube typeVoltage Pentode or Tetrode (under 100V)Voltage Pentode or Tetrode (under 100V)
ConstructionPentodePentode
Base7BKNot recorded
SocketB7GB7G
Base pins77
Sections11
Heater voltage12.6 V12.6 V
Heater current0.175 A0.19 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 12EA6 specifications →