This e-mail has been cryogenically treated

How would you ever verify if your speaker cables are 99.99% OFC copper?

Don't worry, manufacturers of cables are literally banking on the fact that there's little to no possibility any customer will test their claims.  So my recommendation would be to purchase things that are not marketed with high worded claims and possibly fake properties.  

@mahgister , it's easy to bomb; G.Marx likely had a lot more practice at the art...

@erik_squires , I esp. enjoyed Bogusium and Deceptium.....goog the latter refers one to plant phylum latin or a type of beetle....adding 'alloy' behind the latter yields this, top of list:

...and mahgister thinks he's boring? *L*

Gotta love rabbit holes that lead to an event horizon.... ;)

...think I'll stick with Al & Ti.....nice, MOR stuff...

@invalid look at the video I posted above. That is how you test it.