The short reason for Roger’s not putting detail frequency info for the controls is his hope that people should decide more by listening rather than the ‘number’.
I am new to the group here though I have been representing Sound Lab in Japan for over 12 years and have decided to give my best support to SL basically around the world… my new website is coming. (I am originally from Canada)
Small note – perhaps you all know already – the brilliant control set at 3pm is actually equivalent to 0db (flat) and that turning the brilliant all the way up actually circumvents the control completely.