upgraded sda cables for srs1.2tl

Goth child
Goth child Posts: 38
edited January 2009 in Vintage Speakers
I am lucky enough to own what I believe to be the only pair of srs 1.2tl speakers in New Zealand.Ive been reading on line about upgraded sda cables.I would like to know how much of an improvement this makes and where they can be purchased.