Brand new Electrex RR51 type rectifier regulator , fits loads of models.
Ebay ad here
http://cgi.ebay.co.uk/ws/eBayISAPI.d...m=220451483549 mfr website details
http://www.electrexworld.co.uk/rr51-...0f1-737-0.html Site members can buy it now for £50 + postage
Cheers
Wulfie