Skip to main content

Tube cross-reference

6GE8 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 6GE8 voltage triode pentode. Compare core specifications and verify every restriction before using a replacement.

Exact variations of 6GE8

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.

  • 7734

    Voltage Triode Pentode

    Base
    Not recorded
    Socket
    B9A
    Base pins
    9
    Sections
    2
    Heater voltage
    6.3 V
    Heater current
    0.9 A

Replacement tubes for 6GE8

The following tubes are recorded as possible replacements for 6GE8. This direction does not establish that 6GE8 can replace them.

7734

Voltage Triode Pentode

Receiving To Industrial Tubes

The database records 7734 as a possible replacement for6GE8.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Triode PentodeVoltage Triode Pentode
ConstructionPentode-TriodePentode-Triode
Base9LCNot recorded
SocketB9AB9A
Base pins99
Sections22
Heater voltage6.3 V6.3 V
Heater current0.9 A0.9 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 6GE8 specifications →