Suggest you re-terminate the AC power cables with Neotech NC-P311 and NC-P302 gold-plated UPOCC copper connectors. Make sure the plating is gold, not rhodium.
Very inexpensive during Sonicraft's close-out sale. FYI, I'm not affiliated with the seller.
Very inexpensive during Sonicraft's close-out sale. FYI, I'm not affiliated with the seller.