Hello Andrew, This firm stocks a good range of Amidon ferrite ringsJAB Electronic Components PO Box 5774 Birmingham B44 8PJ e mail [email protected] His catalogue is currently out of print but he
Ferromagnetics PO BOX 577 Mold Flintshire CH7 1AH are still in business, send SAE for details they dont quote a tele no. or a web site. Cheers de Alan G3NYK [email protected] Does anyone know