----- Original Message ----- From: "Rainer Kühnberger" <dl2mdz at t-online.de> > I would like to build a preamplifier for RX-Loops. I still am to it on the > search of suitable band filter for 160, 80 and 40m. The filters should be I'm very satisfied with w7iuv preamplifier: http://w7iuv.com/preamp.jpg 73 de Guido, ik2bcp