BBC are not known for paying big bucks for speakers or equipment. Many of the successful BBC designs like the Rogers were in fact very economical (low cost) speakers that sounded very good.
I doubt BBC would use special cables, as large companies are sensitive to cost on items that are widely used. Ordinary stranded copper wire would be my guess.
Here is a link to a site that can help you
I doubt BBC would use special cables, as large companies are sensitive to cost on items that are widely used. Ordinary stranded copper wire would be my guess.
Here is a link to a site that can help you