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Tube cross-reference

6DZ7 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 6DZ7 power - pentode (not beam). Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 6DZ7

The following tubes are recorded as possible replacements for 6DZ7. This direction does not establish that 6DZ7 can replace them.

6DY7

Power - Beam (NOT sweep)

Receiving Tubes

The database records 6DY7 as a possible replacement for6DZ7.

  • Not suitable for all circuits
SpecificationOriginal tubeReplacement
Tube typePower - Pentode (NOT beam)Power - Beam (NOT sweep)
ConstructionPentode-PentodeBeamPower
Base8JP8JP
SocketIOIO
Base pins88
Sections21
Heater voltage6.3 V6.3 V
Heater current1.52 A1.2 A

Where 6DZ7 can be used as the replacement

In these recorded relationships, 6DZ7 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6DZ7.

6DY7

Power - Beam (NOT sweep)

Receiving Tubes

The database records 6DZ7 as a possible replacement for6DY7.

  • Not suitable for all circuits
Specification6DZ7 replacementOriginal tube
Tube typePower - Pentode (NOT beam)Power - Beam (NOT sweep)
ConstructionPentode-PentodeBeamPower
Base8JP8JP
SocketIOIO
Base pins88
Sections21
Heater voltage6.3 V6.3 V
Heater current1.52 A1.2 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 6DZ7 specifications →