I know don't know why i am
Its friday and in a good mood, Searching is the way forward.
Jays problem hasn't come up before because he used the wrong resistors though,
Dutch man you are the bypass king. Have you not removed the Sai?
330 ohm 10W is what you need....
http://uk.rs-online.com/web/search/searchBrowseAction.html?method=getProduct&R=0160382
thats the ones you need in the link above and they are not expensive.
Edit link fixed