all redirected bass is summed with lfe in all bass management, digital or analog.

when the 950's analog BM is switched 'off' satellites get full range signal and subwoofer gets below 80hz and lfe. that is a doubling of bass below 80hz into the satellites and the subwoofer.

when the analog BM is switched 'on' satellites are high passed at 80hz and below 80hz from the satellites goes to sub with lfe. there is then no doubling of 80hz and below.

actually, some view the switching setup as logical...not a bug. when you are in a stereo digital mode and you switch to 6 ch bypass, only stereo direct is connected. when you are in a multichannel digital mode and 6 ch bypass is selected, 6 channel analog is connected. 6 ch bypass has nothing to do with the dsp. sacd has both stereo and multichannel formats as well as redbook cd, depending on what disc you buy, so switching from digital playing of the cd layer to stereo sacd makes sense as it's configured. switching from the cd layer to multichannel requires hitting a multichannel digital button first.