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Tube cross-reference

14AF7 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 14AF7 voltage - dual triode (similar). Compare core specifications and verify every restriction before using a replacement.

Exact variations of 14AF7

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.

  • XXD

    Voltage - Dual Triode (similar)

    Base
    Not recorded
    Socket
    B8G
    Base pins
    8
    Sections
    2
    Heater voltage
    12.6 V
    Heater current
    0.15 A

Replacement tubes for 14AF7

The following tubes are recorded as possible replacements for 14AF7. This direction does not establish that 14AF7 can replace them.

14N7

Voltage - Dual Triode (similar)

Receiving Tubes

The database records 14N7 as a possible replacement for14AF7.

  • Parallel heater circuits only
SpecificationOriginal tubeReplacement
Tube typeVoltage - Dual Triode (similar)Voltage - Dual Triode (similar)
ConstructionTriode-TriodeTriode-Triode
Base8AC8AC
SocketNot recordedB8G
Base pins88
Sections22
Heater voltage12.6 V12.6 V
Heater current0.15 A0.3 A
XXD

Voltage - Dual Triode (similar)

Receiving Tubes

The database records XXD as a possible replacement for14AF7.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage - Dual Triode (similar)Voltage - Dual Triode (similar)
ConstructionTriode-TriodeTriode-Triode
Base8ACNot recorded
SocketNot recordedB8G
Base pins88
Sections22
Heater voltage12.6 V12.6 V
Heater current0.15 A0.15 A

Where 14AF7 can be used as the replacement

In these recorded relationships, 14AF7 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 14AF7.

14N7

Voltage - Dual Triode (similar)

Receiving Tubes

The database records 14AF7 as a possible replacement for14N7.

  • Parallel heater circuits only
Specification14AF7 replacementOriginal tube
Tube typeVoltage - Dual Triode (similar)Voltage - Dual Triode (similar)
ConstructionTriode-TriodeTriode-Triode
Base8AC8AC
SocketNot recordedB8G
Base pins88
Sections22
Heater voltage12.6 V12.6 V
Heater current0.15 A0.3 A
XXD

Voltage - Dual Triode (similar)

Receiving Tubes

The database records 14AF7 as a possible replacement forXXD.

No special restrictions are recorded for this substitution.

Specification14AF7 replacementOriginal tube
Tube typeVoltage - Dual Triode (similar)Voltage - Dual Triode (similar)
ConstructionTriode-TriodeTriode-Triode
Base8ACNot recorded
SocketNot recordedB8G
Base pins88
Sections22
Heater voltage12.6 V12.6 V
Heater current0.15 A0.15 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 14AF7 specifications →