Is there anything wrong with it? If it works, just use it! The BS9000 doesn't have datalink so use any RIAA - about £60 gets a reasonable one! You may need some cable converters from DIN to RCA - remember to connect the shell of the DIN plug to earth.

If there is something wrong, Tim Jarman at Beocentral is the usual recommendation! 

Hi Peter,

Thanks for the reply. Yes I think there is something wrong with it. Everything sounds slightly slower than on CD.
I downloaded the manual and couldn't find anything to suggest I could adjust this myself?

Regarding a preamplifier, the only one I could find that looks suitable is this one.

http://www.maplin.co.uk/Module.aspx?ModuleNo=28732&TabID=1&C=SO&U=strat15&doy=search

Is this suitable and any suggestion for something a bit higher spec if this one isn't that good?
 
Thanks again.

Hi Peter,

Just to say thanks for your input. I now have the preamp which work fine.
Your memory served you correctly and there are indeed two holes labeled 33 and 45 on the underside of the 5500. Looks like they take a Phillips screw driver, so I'll give that a go.
 

Just to say the turntable worked for a while but I guess the preamp wasn't good quality enough as I got a humming from the speakers (?) and now the turntable is not rotating at a consistent speed again and making a scraping noise which I thought had gone away.

I'll look into getting it serviced, and better preamps, but I suspect the most sensible and much cheaper option at this stage is to get a Pro-ject turntable, which is something even a B&O dealer recommended I do. Against my purist preferences but seems to be the most practical option unfortunately.