HiDiamond Salvatore Filippelli Sales Director TEL-FAX +39 06 51960231 RAPID CONTACTS +39 338 3208291 www.hidiamond.it NORTH STAR DESIGN tel. +39 050 859945 fax +39 050 859166 contact@northstar.it www.northstar.it NORMA ELECTROACUSTICS DEVICES, BY OPAL Electronics TEL-FAX- +39 0372 493113 Enrico Rossi www.normaudio.com R.A.F. Hi-End LAB TEL-FAX. +39 0382 20410 Stefano Rugginenti President&designer srugginenti@libero.it www.vandenhul.com www.seas.no