I am a blues harmonica musician and have collected the following shure vintage mics 7A ,440SL,520SL 520D, etc. I hope to find the original elements that went with these vintage mics. I am also interested in having some of my other vintage Shure mics restored.
Here are sources:
1) Tom Ellis - firstname.lastname@example.org
2) Expert on vintage controlled reluctance/magnetic elements
3) Vintage Electronics; Ed Crockett, Hattiesburg MS USA; Telephone: 601-264-4755; Fax: 601-264-0226; Email: email@example.com
4) Dennis Oellig; DJ's Custom Electronics, Inc.; 4633 Fairmount Ave.; Kansas City, MO. 64112; phone 816-531-6981; www.mrmicrophone.com; email: firstname.lastname@example.org
5) Greg Heumann; http://blowsmeaway.com