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Tube cross-reference

DH719 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the DH719 voltage - triode (with diode, heptode or hexode). Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for DH719

The following tubes are recorded as possible replacements for DH719. This direction does not establish that DH719 can replace them.

6AK8

Voltage - Triode (with diode, heptode or hexode)

American To Foreign

The database records 6AK8 as a possible replacement forDH719.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typeVoltage - Triode (with diode, heptode or hexode)Voltage - Triode (with diode, heptode or hexode)
ConstructionDiode-Diode-Diode-TriodeDiode-Diode-Diode-Triode
BaseNot recorded9E
SocketNot recordedB9A
Base pinsNot recorded9
Sections44
Heater voltage6.3 V6.3 V
Heater current0.45 A0.45 A

Where DH719 can be used as the replacement

In these recorded relationships, DH719 is the replacement tube. The listed original tubes are not automatically suitable as replacements for DH719.

6AK8

Voltage - Triode (with diode, heptode or hexode)

Foreign To American

The database records DH719 as a possible replacement for6AK8.

No special restrictions are recorded for this substitution.

SpecificationDH719 replacementOriginal tube
Tube typeVoltage - Triode (with diode, heptode or hexode)Voltage - Triode (with diode, heptode or hexode)
ConstructionDiode-Diode-Diode-TriodeDiode-Diode-Diode-Triode
BaseNot recorded9E
SocketNot recordedB9A
Base pinsNot recorded9
Sections44
Heater voltage6.3 V6.3 V
Heater current0.45 A0.45 A
6R8

Voltage - Triode (with diode, heptode or hexode)

Foreign To American

The database records DH719 as a possible replacement for6R8.

No special restrictions are recorded for this substitution.

SpecificationDH719 replacementOriginal tube
Tube typeVoltage - Triode (with diode, heptode or hexode)Voltage - Triode (with diode, heptode or hexode)
ConstructionDiode-Diode-Diode-TriodeDiode-Diode-Diode-Triode
BaseNot recordedNot recorded
SocketNot recordedB9A
Base pinsNot recorded9
Sections44
Heater voltage6.3 V6.3 V
Heater current0.45 A0.45 A
6T8

Voltage - Triode (with diode, heptode or hexode)

Foreign To American

The database records DH719 as a possible replacement for6T8.

No special restrictions are recorded for this substitution.

SpecificationDH719 replacementOriginal tube
Tube typeVoltage - Triode (with diode, heptode or hexode)Voltage - Triode (with diode, heptode or hexode)
ConstructionDiode-Diode-Diode-TriodeDiode-Diode-Diode-Triode
BaseNot recordedRETMA 9E
SocketNot recordedB9A
Base pinsNot recorded9
Sections44
Heater voltage6.3 V6.3 V
Heater current0.45 A0.45 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 DH719 specifications →