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Tube cross-reference

1P10 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 1P10 power - pentode (not beam). Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 1P10

The following tubes are recorded as possible replacements for 1P10. This direction does not establish that 1P10 can replace them.

3S4

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

American To Foreign

The database records 3S4 as a possible replacement for1P10.

No special restrictions are recorded for this substitution.

SpecificationOriginal tubeReplacement
Tube typePower - Pentode (NOT beam)Power - Pentode Single (NOT beam) (under 10W)
ConstructionPentodePentode
BaseNot recorded7BA
SocketB7GB7G
Base pins77
Sections11
Heater voltage1.4 V2.8 V
Heater current0.1 A0.05 A

Where 1P10 can be used as the replacement

In these recorded relationships, 1P10 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 1P10.

3S4

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

Foreign To American

The database records 1P10 as a possible replacement for3S4.

No special restrictions are recorded for this substitution.

Specification1P10 replacementOriginal tube
Tube typePower - Pentode (NOT beam)Power - Pentode Single (NOT beam) (under 10W)
ConstructionPentodePentode
BaseNot recorded7BA
SocketB7GB7G
Base pins77
Sections11
Heater voltage1.4 V2.8 V
Heater current0.1 A0.05 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 1P10 specifications →