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Tube cross-reference

PTT120P alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the PTT120P voltage - dual triode (similar). 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 PTT120P.

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 PTT120P specifications →