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Tube cross-reference

6HG5 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 6HG5 power - beam (not sweep). Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 6HG5

The following tubes are recorded as possible replacements for 6HG5. This direction does not establish that 6HG5 can replace them.

6L31

Power - Beam (NOT sweep)

Foreign To American

The database records 6L31 as a possible replacement for6HG5.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typePower - Beam (NOT sweep)Power - Beam (NOT sweep)
ConstructionBeamPowerBeamPower
BaseNot recorded7BZ
SocketB7GB7G
Base pins77
Sections11
Heater voltage6.3 V6.3 V
Heater current0.45 A0.45 A
6P9

Power - Pentode Single (NOT beam) (under 10W)

Foreign To American

The database records 6P9 as a possible replacement for6HG5.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typePower - Beam (NOT sweep)Power - Pentode Single (NOT beam) (under 10W)
ConstructionBeamPowerPentode
BaseNot recordedNot recorded
SocketB7GB9A
Base pins79
Sections11
Heater voltage6.3 V6.3 V
Heater current0.45 A0.78 A
EL90

Power - Beam (NOT sweep)

Foreign To American

The database records EL90 as a possible replacement for6HG5.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typePower - Beam (NOT sweep)Power - Beam (NOT sweep)
ConstructionBeamPowerBeamPower
BaseNot recordedNot recorded
SocketB7GB7G
Base pins77
Sections11
Heater voltage6.3 V6.3 V
Heater current0.45 A0.45 A
N727

Power - Beam (NOT sweep)

Foreign To American

The database records N727 as a possible replacement for6HG5.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typePower - Beam (NOT sweep)Power - Beam (NOT sweep)
ConstructionBeamPowerBeamPower
BaseNot recordedNot recorded
SocketB7GB7G
Base pins77
Sections11
Heater voltage6.3 V6.3 V
Heater current0.45 A0.45 A
6AQ5

Power - Beam (NOT sweep)

Receiving Tubes

The database records 6AQ5 as a possible replacement for6HG5.

  • Parallel heater circuits only
  • No-warmup series circuits only
SpecificationOriginal tubeReplacement
Tube typePower - Beam (NOT sweep)Power - Beam (NOT sweep)
ConstructionBeamPowerBeamPower
BaseNot recorded7BZ
SocketB7GB7G
Base pins77
Sections11
Heater voltage6.3 V6.3 V
Heater current0.45 A0.45 A
6AQ5A

Power - TV Vertical Output

Receiving Tubes

The database records 6AQ5A as a possible replacement for6HG5.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typePower - Beam (NOT sweep)Power - TV Vertical Output
ConstructionBeamPowerBeamPower
BaseNot recorded7BZ
SocketB7GB7G
Base pins77
Sections11
Heater voltage6.3 V6.3 V
Heater current0.45 A0.45 A

Where 6HG5 can be used as the replacement

In these recorded relationships, 6HG5 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 6HG5.

6AQ5

Power - Beam (NOT sweep)

Receiving Tubes

The database records 6HG5 as a possible replacement for6AQ5.

No special restrictions are recorded for this substitution.

Specification6HG5 replacementOriginal tube
Tube typePower - Beam (NOT sweep)Power - Beam (NOT sweep)
ConstructionBeamPowerBeamPower
BaseNot recorded7BZ
SocketB7GB7G
Base pins77
Sections11
Heater voltage6.3 V6.3 V
Heater current0.45 A0.45 A
6AQ5A

Power - TV Vertical Output

Receiving Tubes

The database records 6HG5 as a possible replacement for6AQ5A.

No special restrictions are recorded for this substitution.

Specification6HG5 replacementOriginal tube
Tube typePower - Beam (NOT sweep)Power - TV Vertical Output
ConstructionBeamPowerBeamPower
BaseNot recorded7BZ
SocketB7GB7G
Base pins77
Sections11
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 6HG5 specifications →