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Tube cross-reference

15BD11A alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 15BD11A voltage dual triode pentode. Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 15BD11A

The following tubes are recorded as possible replacements for 15BD11A. This direction does not establish that 15BD11A can replace them.

15AF11

Voltage Dual Triode Pentode

Receiving Tubes

The database records 15AF11 as a possible replacement for15BD11A.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Dual Triode PentodeVoltage Dual Triode Pentode
ConstructionPentode-Triode-TriodePentode-Triode-Triode
Base12DP12DP
SocketB12CB12C
Base pins1212
Sections33
Heater voltage14.7 V14.7 V
Heater current0.45 A0.45 A
15BD11

Voltage Dual Triode Pentode

Receiving Tubes

The database records 15BD11 as a possible replacement for15BD11A.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Dual Triode PentodeVoltage Dual Triode Pentode
ConstructionPentode-Triode-TriodePentode-Triode-Triode
Base12DP12DP
SocketB12CB12C
Base pins1212
Sections33
Heater voltage14.7 V14.7 V
Heater current0.45 A0.45 A

Where 15BD11A can be used as the replacement

In these recorded relationships, 15BD11A is the replacement tube. The listed original tubes are not automatically suitable as replacements for 15BD11A.

15AF11

Voltage Dual Triode Pentode

Receiving Tubes

The database records 15BD11A as a possible replacement for15AF11.

No special restrictions are recorded for this substitution.

Specification15BD11A replacementOriginal tube
Tube typeVoltage Dual Triode PentodeVoltage Dual Triode Pentode
ConstructionPentode-Triode-TriodePentode-Triode-Triode
Base12DP12DP
SocketB12CB12C
Base pins1212
Sections33
Heater voltage14.7 V14.7 V
Heater current0.45 A0.45 A
15BD11

Voltage Dual Triode Pentode

Receiving Tubes

The database records 15BD11A as a possible replacement for15BD11.

No special restrictions are recorded for this substitution.

Specification15BD11A replacementOriginal tube
Tube typeVoltage Dual Triode PentodeVoltage Dual Triode Pentode
ConstructionPentode-Triode-TriodePentode-Triode-Triode
Base12DP12DP
SocketB12CB12C
Base pins1212
Sections33
Heater voltage14.7 V14.7 V
Heater current0.45 A0.45 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 15BD11A specifications →