This archive entry is for the U52 and 5U4G vacuum tube. Brand: Marconi. It includes 23 photos and 12 recorded physical attributes. Archive ID: ywbi45h0.
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Commonly cross-referenced designations for 5U4G. Compatibility is not guaranteed. Before substituting, verify socket and pinout, heater voltage and current, bias requirements, and maximum ratings against the relevant manufacturers’ datasheets.
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