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Tube cross-reference

6EA5 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 6EA5 voltage tetrode. Compare core specifications and verify every restriction before using a replacement.

Exact variations of 6EA5

These designations belong to the same electrical variation group. Their names may differ because of international standards, manufacturing tolerances, or materials, but they are recorded as electrically equivalent—not merely substitutes.

  • 6EV5

    Voltage Tetrode

    Base
    E7-1
    Socket
    B7G
    Base pins
    7
    Sections
    1
    Heater voltage
    6.3 V
    Heater current
    0.6 A

Replacement tubes for 6EA5

The following tubes are recorded as possible replacements for 6EA5. This direction does not establish that 6EA5 can replace them.

6AG5

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6AG5 as a possible replacement for6EA5.

  • Parallel heater circuits only
  • Not suitable for all circuits
SpecificationOriginal tubeReplacement
Tube typeVoltage TetrodeVoltage Pentode - Sharp Cutoff (single)
ConstructionTetrodePentode
Base7EWE7-1
SocketB7GB7G
Base pins77
Sections11
Heater voltage6.3 V6.3 V
Heater current0.2 A0.3 A
6AK5

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6AK5 as a possible replacement for6EA5.

  • Parallel heater circuits only
  • Not suitable for all circuits
SpecificationOriginal tubeReplacement
Tube typeVoltage TetrodeVoltage Pentode - Sharp Cutoff (single)
ConstructionTetrodePentode
Base7EW7BD
SocketB7GB7G
Base pins77
Sections11
Heater voltage6.3 V6.3 V
Heater current0.2 A0.175 A
6BC5

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6BC5 as a possible replacement for6EA5.

  • Parallel heater circuits only
  • Not suitable for all circuits
SpecificationOriginal tubeReplacement
Tube typeVoltage TetrodeVoltage Pentode - Sharp Cutoff (single)
ConstructionTetrodePentode
Base7EW7BC
SocketB7GB7G
Base pins77
Sections11
Heater voltage6.3 V6.3 V
Heater current0.2 A0.6 A
6CE5

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6CE5 as a possible replacement for6EA5.

  • Parallel heater circuits only
  • Not suitable for all circuits
SpecificationOriginal tubeReplacement
Tube typeVoltage TetrodeVoltage Pentode - Sharp Cutoff (single)
ConstructionTetrodePentode
Base7EW7BD
SocketB7GB7G
Base pins77
Sections11
Heater voltage6.3 V6.3 V
Heater current0.2 A0.3 A
6EV5

Voltage Tetrode

Receiving Tubes

The database records 6EV5 as a possible replacement for6EA5.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage TetrodeVoltage Tetrode
ConstructionTetrodeTetrode
Base7EWE7-1
SocketB7GB7G
Base pins77
Sections11
Heater voltage6.3 V6.3 V
Heater current0.2 A0.6 A

Where 6EA5 can be used as the replacement

In these recorded relationships, 6EA5 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6EA5.

6AG5

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6EA5 as a possible replacement for6AG5.

  • Parallel heater circuits only
  • Not suitable for all circuits
Specification6EA5 replacementOriginal tube
Tube typeVoltage TetrodeVoltage Pentode - Sharp Cutoff (single)
ConstructionTetrodePentode
Base7EWE7-1
SocketB7GB7G
Base pins77
Sections11
Heater voltage6.3 V6.3 V
Heater current0.2 A0.3 A
6AK5

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6EA5 as a possible replacement for6AK5.

  • Parallel heater circuits only
  • Not suitable for all circuits
Specification6EA5 replacementOriginal tube
Tube typeVoltage TetrodeVoltage Pentode - Sharp Cutoff (single)
ConstructionTetrodePentode
Base7EW7BD
SocketB7GB7G
Base pins77
Sections11
Heater voltage6.3 V6.3 V
Heater current0.2 A0.175 A
6BC5

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6EA5 as a possible replacement for6BC5.

  • Parallel heater circuits only
  • Not suitable for all circuits
Specification6EA5 replacementOriginal tube
Tube typeVoltage TetrodeVoltage Pentode - Sharp Cutoff (single)
ConstructionTetrodePentode
Base7EW7BC
SocketB7GB7G
Base pins77
Sections11
Heater voltage6.3 V6.3 V
Heater current0.2 A0.6 A
6CE5

Voltage Pentode - Sharp Cutoff (single)

Receiving Tubes

The database records 6EA5 as a possible replacement for6CE5.

  • Parallel heater circuits only
  • Not suitable for all circuits
Specification6EA5 replacementOriginal tube
Tube typeVoltage TetrodeVoltage Pentode - Sharp Cutoff (single)
ConstructionTetrodePentode
Base7EW7BD
SocketB7GB7G
Base pins77
Sections11
Heater voltage6.3 V6.3 V
Heater current0.2 A0.3 A
6CY5

Voltage Tetrode

Receiving Tubes

The database records 6EA5 as a possible replacement for6CY5.

No special restrictions are recorded for this substitution.

Specification6EA5 replacementOriginal tube
Tube typeVoltage TetrodeVoltage Tetrode
ConstructionTetrodeTetrode
Base7EW7EW
SocketB7GB7G
Base pins77
Sections11
Heater voltage6.3 V6.3 V
Heater current0.2 A0.2 A
6EV5

Voltage Tetrode

Receiving Tubes

The database records 6EA5 as a possible replacement for6EV5.

No special restrictions are recorded for this substitution.

Specification6EA5 replacementOriginal tube
Tube typeVoltage TetrodeVoltage Tetrode
ConstructionTetrodeTetrode
Base7EWE7-1
SocketB7GB7G
Base pins77
Sections11
Heater voltage6.3 V6.3 V
Heater current0.2 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 6EA5 specifications →