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Tube cross-reference

25BQ6GTB alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 25BQ6GTB power - tv horizontal output (sweep). Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 25BQ6GTB

The following tubes are recorded as possible replacements for 25BQ6GTB. This direction does not establish that 25BQ6GTB can replace them.

25CU6

Power - TV Horizontal Output (sweep)

Receiving Tubes

The database records 25CU6 as a possible replacement for25BQ6GTB.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typePower - TV Horizontal Output (sweep)Power - TV Horizontal Output (sweep)
ConstructionBeamPowerBeamPower
BaseNot recorded6AM
SocketIOIO
Base pins97
Sections11
Heater voltage25 V25 V
Heater current0.3 A0.3 A
25DQ6A

Power - TV Horizontal Output (sweep)

Receiving Tubes

The database records 25DQ6A as a possible replacement for25BQ6GTB.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typePower - TV Horizontal Output (sweep)Power - TV Horizontal Output (sweep)
ConstructionBeamPowerBeamPower
BaseNot recorded6AM
SocketIONot recorded
Base pins97
Sections11
Heater voltage25 V25 V
Heater current0.3 A0.3 A

Where 25BQ6GTB can be used as the replacement

In these recorded relationships, 25BQ6GTB is the replacement tube. The listed original tubes are not automatically suitable as replacements for 25BQ6GTB.

25BQ6GA

Power - TV Horizontal Output (sweep)

Receiving Tubes

The database records 25BQ6GTB as a possible replacement for25BQ6GA.

No special restrictions are recorded for this substitution.

Specification25BQ6GTB replacementOriginal tube
Tube typePower - TV Horizontal Output (sweep)Power - TV Horizontal Output (sweep)
ConstructionBeamPowerBeamPower
BaseNot recorded6AM
SocketIOIO
Base pins9Not recorded
Sections11
Heater voltage25 V25 V
Heater current0.3 A0.3 A
25BQ6GT

Power - TV Horizontal Output (sweep)

Receiving Tubes

The database records 25BQ6GTB as a possible replacement for25BQ6GT.

No special restrictions are recorded for this substitution.

Specification25BQ6GTB replacementOriginal tube
Tube typePower - TV Horizontal Output (sweep)Power - TV Horizontal Output (sweep)
ConstructionBeamPowerBeamPower
BaseNot recorded6AM
SocketIOIO
Base pins97
Sections11
Heater voltage25 V25 V
Heater current0.3 A0.3 A
25CU6

Power - TV Horizontal Output (sweep)

Receiving Tubes

The database records 25BQ6GTB as a possible replacement for25CU6.

No special restrictions are recorded for this substitution.

Specification25BQ6GTB replacementOriginal tube
Tube typePower - TV Horizontal Output (sweep)Power - TV Horizontal Output (sweep)
ConstructionBeamPowerBeamPower
BaseNot recorded6AM
SocketIOIO
Base pins97
Sections11
Heater voltage25 V25 V
Heater current0.3 A0.3 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 25BQ6GTB specifications →