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Tube cross-reference

6EJ4A alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 6EJ4A triode - hv shunt regulator. Compare core specifications and verify every restriction before using a replacement.

Exact variations of 6EJ4A

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.

  • 6EF4

    Triode - HV Shunt Regulator

    Base
    Not recorded
    Socket
    Not recorded
    Base pins
    Not recorded
    Sections
    1
    Heater voltage
    6.3 V
    Heater current
    0.2 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 6EJ4A specifications →