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Tube cross-reference

6DN7 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 6DN7 power - tv vertical output. Compare core specifications and verify every restriction before using a replacement.

Where 6DN7 can be used as the replacement

In these recorded relationships, 6DN7 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6DN7.

6BL7GT

Power - TV Vertical Output

Receiving Tubes

The database records 6DN7 as a possible replacement for6BL7GT.

No special restrictions are recorded for this substitution.

Specification6DN7 replacementOriginal tube
Tube typePower - TV Vertical OutputPower - TV Vertical Output
ConstructionTriode-TriodeTriode-Triode
Base8BD8BD
SocketIOIO
Base pins88
Sections22
Heater voltage6.3 V6.3 V
Heater current0.9 A1.5 A
6BL7GTA

Power - TV Vertical Output

Receiving Tubes

The database records 6DN7 as a possible replacement for6BL7GTA.

No special restrictions are recorded for this substitution.

Specification6DN7 replacementOriginal tube
Tube typePower - TV Vertical OutputPower - TV Vertical Output
ConstructionTriode-TriodeTriode-Triode
Base8BDNot recorded
SocketIOIO
Base pins88
Sections22
Heater voltage6.3 V6.3 V
Heater current0.9 A1.5 A
6BX7GT

Power - TV Vertical Output

Receiving Tubes

The database records 6DN7 as a possible replacement for6BX7GT.

No special restrictions are recorded for this substitution.

Specification6DN7 replacementOriginal tube
Tube typePower - TV Vertical OutputPower - TV Vertical Output
ConstructionTriode-TriodeTriode-Triode
Base8BD8BD
SocketIOIO
Base pins88
Sections22
Heater voltage6.3 V6.3 V
Heater current0.9 A1.5 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 6DN7 specifications →