Hi Seismo,
Nice system dude! Being single must be great!
Same receiver setup, same problem. Denon Canada told me MOST 2 channel material does not have dedicated LFE information. So essentially, it depends on the source material. I've played DVD's that have previews w/o a Dolby Ditital or DTS soundtrack and PLII clicked on my Paradigm PW-2100 sub. However, Direct and Pure Direct Sound modes will send an LFE channel to the sub no matter the source...but that's it!
I think when you select LFE for the sub, the 3805 takes your word for it and only sends
true discreet LFE info to the sub. As far as I know, no 2 channel processing like PLII has an LFE channel.
http://www.hometheaterhifi.com/volume_8_1/dolby-prologic2-3-2001.html
I've tried several quality sub cables (nada) and different crossover settings (80 Hz and 60 Hz which is what I use now) to no avail. I even exchanged my first 3805 when I experienced hum in my bi-amping setup, reversed Pre Out L/R channels and aformentioned PLII LFE issues. Nothing changed. That's how it's designed...and somehow I appreciate it's purity. Sure helps with my hydro bill. After all, the sub's got a 400W continuous, 1500W peak amp.