EU

tme.eu

Mouser

Digikey

futurlec

distrelec

farnell

Musikding

banzai

http://www.rapidonline.com/

http://uk-electronic.de/onlineshop/index.php?cPath=27_196_317&osCsid=2b174b492bf62b0524ca5b32922c2401 (knobs)

http://www.esr.co.uk/electronics/products/frame_connectors_multipole.htm (special 3pole Connectors )

conrad.com

http://www.vintageplanet.nl/pages/ic2.html