In Chipstead Valley Road, Coulsden (which is at least on the South side of London for the Man of Kent) you will findhttp://www.bang-olufsen-service.co.uk/whom I have found helpful & efficient at repairing older B & O equipment.www.servicesound.comis Geoff Kremer, a bit further afield for you at Bexhill-on-Sea, but it is worth talking to him, too.Adam K