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Tube cross-reference

7189 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 7189 power - beam (not sweep). Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 7189

The following tubes are recorded as possible replacements for 7189. This direction does not establish that 7189 can replace them.

7189A

Power - Beam (NOT sweep)

Receiving Tubes

The database records 7189A as a possible replacement for7189.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typePower - Beam (NOT sweep)Power - Beam (NOT sweep)
ConstructionBeamPowerBeamPower
BaseNot recorded9LE
SocketB9AB9A
Base pins99
Sections11
Heater voltage6.3 V6.3 V
Heater current0.76 A0.76 A

Where 7189 can be used as the replacement

In these recorded relationships, 7189 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 7189.

6BQ5

Power - Pentode (NOT beam)

Receiving Tubes

The database records 7189 as a possible replacement for6BQ5.

No special restrictions are recorded for this substitution.

Specification7189 replacementOriginal tube
Tube typePower - Beam (NOT sweep)Power - Pentode (NOT beam)
ConstructionBeamPowerPentode
BaseNot recordedB9A
SocketB9AB9A
Base pins99
Sections11
Heater voltage6.3 V6.3 V
Heater current0.76 A0.76 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 7189 specifications →