Marakanetz wrote,
"Hospital grade Hubbel plugs are sold at digikey, newark and mouser catalogues for $low-teens. Audiophile grade ones are just the same only with different price, color, design and name.
Hospital grade plugs are for hospitals. Hospital grade plugs must conform to standards for reliability and safety - but not sound. And for audiophiles, isn't that really the most important thing? By contrast, Audiophile Grade plugs use better metal conductors than stock plugs OR Hospital Grade plugs.
Marakanetz also wrote,
"Stay away from cryo'd ones. Less-likely they show any evidence of cryogenic treatment."
Why is everyone down on cryo? Cryo'd conductors are better conductors. Hel -loo!