What are the date codes on the Nichicon PC Series units?
I've seen some series of leaking Rubycon, Nichicon and possibly Elna and Panasonic units from the late-80s to early-90s having a leakage problem, possibly from defective bungs.
My first choice in quality Japanese electrolytics is Nippon Chemi-Con, which has been in business since 1931... the quality of electronics is dependent on the quality of the electrolytics.
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