They were the model before the "RS Force", but short-lived, I seem to recall. Wouldn't mind testing them though.
As far as I'm aware, it was supposed to give them a bit of additional mid-range. Can't see why no one else tried it too though, if it really made any difference.
_________________
Andy.
NSR-WORLD.COM
Please keep all responses to Forum posts on the Forum so that others may benefit.
Please DO NOT PM me for technical advice. My time is precious, and you will probably receive a faster response on the Forum anyway.
Check us out on Facebook! Please "like" our page!