As it stands I meant to add | my own personal experience has led me to only use the tandems of either silver plated copper ac | unplated copper iec , as well as a pure silver ac | silver plated copper iec plugs..., period.
Our space it both gold | rhodium free, with the exception of the latter being soldered onto a pair of my cherished SCs, which as fate would've it,mi dare not change.
Until next time.
Peace B'onto Y'all.
