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Tube cross-reference

25CD6GA alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 25CD6GA power - tv horizontal output (sweep). Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 25CD6GA

The following tubes are recorded as possible replacements for 25CD6GA. This direction does not establish that 25CD6GA can replace them.

21EX6

Power - TV Horizontal Output (sweep)

Receiving Tubes

The database records 21EX6 as a possible replacement for25CD6GA.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typePower - TV Horizontal Output (sweep)Power - TV Horizontal Output (sweep)
ConstructionBeamPowerBeamPower
Base5BTNot recorded
SocketNot recordedB9E
Base pinsNot recorded12
Sections11
Heater voltage25 V21.5 V
Heater current0.6 A0.6 A
25CD6GB

Power - TV Horizontal Output (sweep)

Receiving Tubes

The database records 25CD6GB as a possible replacement for25CD6GA.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typePower - TV Horizontal Output (sweep)Power - TV Horizontal Output (sweep)
ConstructionBeamPowerBeamPower
Base5BTNot recorded
SocketNot recordedIO
Base pinsNot recorded8
Sections11
Heater voltage25 V25 V
Heater current0.6 A0.6 A
25DN6

Power - TV Horizontal Output (sweep)

Receiving Tubes

The database records 25DN6 as a possible replacement for25CD6GA.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typePower - TV Horizontal Output (sweep)Power - TV Horizontal Output (sweep)
ConstructionBeamPowerBeamPower
Base5BTB8-118
SocketNot recordedB9A
Base pinsNot recorded8
Sections11
Heater voltage25 V25 V
Heater current0.6 A0.6 A

Where 25CD6GA can be used as the replacement

In these recorded relationships, 25CD6GA is the replacement tube. The listed original tubes are not automatically suitable as replacements for 25CD6GA.

25CD6G

Power - TV Horizontal Output (sweep)

Receiving Tubes

The database records 25CD6GA as a possible replacement for25CD6G.

No special restrictions are recorded for this substitution.

Specification25CD6GA replacementOriginal tube
Tube typePower - TV Horizontal Output (sweep)Power - TV Horizontal Output (sweep)
ConstructionBeamPowerBeamPower
Base5BT5BT
SocketNot recordedNot recorded
Base pinsNot recordedNot recorded
Sections11
Heater voltage25 V25 V
Heater current0.6 A0.6 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 25CD6GA specifications →