Isn't there a mistake in some of the manuals of some of the Audiobox, Studio, Firestudio and Digimax devices? Most of them states that input gain range for mic XMAX preamps is 60dB +/-1dB. That excluding AudioBox VSL, and Studio 1824 / 1810 which has 80dB (-15 to +65dB) and Firestudio Mobile which has (-10 to +70dB). The problem is that in some manuals gain range is said to be -6/4 to +55dB, and in some devices it's -4 to 50dB. Which is strange since it won't give 60dB of gain range, and because other specs contradicts that. For instance EIN and Common Mode Rejection Ratio are stated for 55dB of gain, which presumably isn't there. So what is the truth with the XMAX preamps mic gain? It's important because I might want to use passive ribbon MXL mic with one of the devices?