here it is (Dutch only) http://www.hifi.nl/artikel/22106/Grimm-Audio-LS1-Schone-kunst-in-luidsprekerbouw.html best Guido - driven to improve - Guido Tent COO guido at grimmaudio.com www.grimmaudio.com Strijpsestraat 94 5616 GS Eindhoven The Netherlands P +31 (0)40 2131 562 F +31 (0)40 2130 187 M+31 (0)6 2466 5125