1. vonrozen

    filter problem on the Quads 405-2 BBC modified

    Hello everyone ! I have 2 Rogers Ls 5/8 driven in bi-amplification by quads 405 and 405-2. Porblem: one of the filter on the Quad 405-2 is faulty because the tweeter only reproduces very high range and leaves the mid-range out ( this is compared to the other tweeter of the other Quad. I know...