Skip to main content

Tube cross-reference

D143 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the D143 power - pentode (not beam). Compare core specifications and verify every restriction before using a replacement.

No alternatives recorded

Tube Tinker does not currently have an exact variation or directional substitution recorded for D143.

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 D143 specifications →