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Tube cross-reference

25CD6G alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 25CD6G power - tv horizontal output (sweep). Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 25CD6G

The following tubes are recorded as possible replacements for 25CD6G. This direction does not establish that 25CD6G can replace them.

21EX6

Power - TV Horizontal Output (sweep)

Receiving Tubes

The database records 21EX6 as a possible replacement for25CD6G.

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
25CD6GA

Power - TV Horizontal Output (sweep)

Receiving Tubes

The database records 25CD6GA as a possible replacement for25CD6G.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
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
25CD6GB

Power - TV Horizontal Output (sweep)

Receiving Tubes

The database records 25CD6GB as a possible replacement for25CD6G.

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 for25CD6G.

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

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 25CD6G specifications →