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Tube cross-reference

8BH8 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 8BH8 voltage triode pentode. Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 8BH8

The following tubes are recorded as possible replacements for 8BH8. This direction does not establish that 8BH8 can replace them.

8AU8

Voltage Triode Pentode

Receiving Tubes

The database records 8AU8 as a possible replacement for8BH8.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Triode PentodeVoltage Triode Pentode
ConstructionPentode-TriodePentode-Triode
Base9DX9DX
SocketB9AB9A
Base pins99
Sections22
Heater voltage8.4 V8.4 V
Heater current0.45 A0.45 A
8AU8A

Voltage Triode Pentode

Receiving Tubes

The database records 8AU8A as a possible replacement for8BH8.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Triode PentodeVoltage Triode Pentode
ConstructionPentode-TriodePentode-Triode
Base9DX9DX
SocketB9AB9A
Base pins99
Sections22
Heater voltage8.4 V8.4 V
Heater current0.45 A0.45 A
8AW8A

Voltage Triode Pentode

Receiving Tubes

The database records 8AW8A as a possible replacement for8BH8.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Triode PentodeVoltage Triode Pentode
ConstructionPentode-TriodePentode-Triode
Base9DX9DX
SocketB9AB9A
Base pins99
Sections22
Heater voltage8.4 V8.4 V
Heater current0.45 A0.45 A
8BA8A

Voltage Triode Pentode

Receiving Tubes

The database records 8BA8A as a possible replacement for8BH8.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage Triode PentodeVoltage Triode Pentode
ConstructionPentode-TriodePentode-Triode
Base9DX9DX
SocketB9AB9A
Base pins99
Sections22
Heater voltage8.4 V8.4 V
Heater current0.45 A0.45 A

Where 8BH8 can be used as the replacement

In these recorded relationships, 8BH8 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 8BH8.

8AU8

Voltage Triode Pentode

Receiving Tubes

The database records 8BH8 as a possible replacement for8AU8.

No special restrictions are recorded for this substitution.

Specification8BH8 replacementOriginal tube
Tube typeVoltage Triode PentodeVoltage Triode Pentode
ConstructionPentode-TriodePentode-Triode
Base9DX9DX
SocketB9AB9A
Base pins99
Sections22
Heater voltage8.4 V8.4 V
Heater current0.45 A0.45 A
8AU8A

Voltage Triode Pentode

Receiving Tubes

The database records 8BH8 as a possible replacement for8AU8A.

No special restrictions are recorded for this substitution.

Specification8BH8 replacementOriginal tube
Tube typeVoltage Triode PentodeVoltage Triode Pentode
ConstructionPentode-TriodePentode-Triode
Base9DX9DX
SocketB9AB9A
Base pins99
Sections22
Heater voltage8.4 V8.4 V
Heater current0.45 A0.45 A
8AW8A

Voltage Triode Pentode

Receiving Tubes

The database records 8BH8 as a possible replacement for8AW8A.

No special restrictions are recorded for this substitution.

Specification8BH8 replacementOriginal tube
Tube typeVoltage Triode PentodeVoltage Triode Pentode
ConstructionPentode-TriodePentode-Triode
Base9DX9DX
SocketB9AB9A
Base pins99
Sections22
Heater voltage8.4 V8.4 V
Heater current0.45 A0.45 A
8BA8A

Voltage Triode Pentode

Receiving Tubes

The database records 8BH8 as a possible replacement for8BA8A.

No special restrictions are recorded for this substitution.

Specification8BH8 replacementOriginal tube
Tube typeVoltage Triode PentodeVoltage Triode Pentode
ConstructionPentode-TriodePentode-Triode
Base9DX9DX
SocketB9AB9A
Base pins99
Sections22
Heater voltage8.4 V8.4 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 8BH8 specifications →