Looking to replace my Vr-4/5 conversion


Have the Von schweikert Vr4 and had them converted to the 5/7 at the factory, Biamping them. I just cannot get the live levels I need, What speaker offers about a 96 db efficient and has comparable sonics?Ive ran Bw 801#3  Von schweikert Vr8 Vandersteens ect.
128x128hiend2
How much power are you running? I run VR3s with 150 watts at sensitivity of 89dB, compared to the V4s at 91dB, did the mod degrade sensitivity?