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Tube cross-reference

14A7 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 14A7 voltage pentode - remote cutoff (single). Compare core specifications and verify every restriction before using a replacement.

Exact variations of 14A7

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.

  • 12B7

    Voltage Pentode - Remote Cutoff (single)

    Base
    8V
    Socket
    B8G
    Base pins
    8
    Sections
    1
    Heater voltage
    12.6 V
    Heater current
    0.15 A

Replacement tubes for 14A7

The following tubes are recorded as possible replacements for 14A7. This direction does not establish that 14A7 can replace them.

12B7

Voltage Pentode - Remote Cutoff (single)

Receiving Tubes

The database records 12B7 as a possible replacement for14A7.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Pentode - Remote Cutoff (single)Voltage Pentode - Remote Cutoff (single)
ConstructionPentodePentode
Base8V8V
SocketLOCTAL8B8G
Base pins88
Sections11
Heater voltage12.6 V12.6 V
Heater current0.15 A0.15 A
12B7ML

Voltage Pentode - Remote Cutoff (single)

Receiving Tubes

The database records 12B7ML as a possible replacement for14A7.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Pentode - Remote Cutoff (single)Voltage Pentode - Remote Cutoff (single)
ConstructionPentodePentode
Base8VNot recorded
SocketLOCTAL8B8G
Base pins88
Sections11
Heater voltage12.6 V12.6 V
Heater current0.15 A0.15 A
14H7

Voltage Pentode - Remote Cutoff (single)

Receiving Tubes

The database records 14H7 as a possible replacement for14A7.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Pentode - Remote Cutoff (single)Voltage Pentode - Remote Cutoff (single)
ConstructionPentodePentode
Base8V8V
SocketLOCTAL8B8G
Base pins88
Sections11
Heater voltage12.6 V12.6 V
Heater current0.15 A0.16 A

Where 14A7 can be used as the replacement

In these recorded relationships, 14A7 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 14A7.

12B7

Voltage Pentode - Remote Cutoff (single)

Receiving Tubes

The database records 14A7 as a possible replacement for12B7.

No special restrictions are recorded for this substitution.

Specification14A7 replacementOriginal tube
Tube typeVoltage Pentode - Remote Cutoff (single)Voltage Pentode - Remote Cutoff (single)
ConstructionPentodePentode
Base8V8V
SocketLOCTAL8B8G
Base pins88
Sections11
Heater voltage12.6 V12.6 V
Heater current0.15 A0.15 A
12B7ML

Voltage Pentode - Remote Cutoff (single)

Receiving Tubes

The database records 14A7 as a possible replacement for12B7ML.

No special restrictions are recorded for this substitution.

Specification14A7 replacementOriginal tube
Tube typeVoltage Pentode - Remote Cutoff (single)Voltage Pentode - Remote Cutoff (single)
ConstructionPentodePentode
Base8VNot recorded
SocketLOCTAL8B8G
Base pins88
Sections11
Heater voltage12.6 V12.6 V
Heater current0.15 A0.15 A
14H7

Voltage Pentode - Remote Cutoff (single)

Receiving Tubes

The database records 14A7 as a possible replacement for14H7.

No special restrictions are recorded for this substitution.

Specification14A7 replacementOriginal tube
Tube typeVoltage Pentode - Remote Cutoff (single)Voltage Pentode - Remote Cutoff (single)
ConstructionPentodePentode
Base8V8V
SocketLOCTAL8B8G
Base pins88
Sections11
Heater voltage12.6 V12.6 V
Heater current0.15 A0.16 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 14A7 specifications →