Take an audio challenge

Here is the situation. I recently made a few upgrades to my system. Because of space and financial considerations I've had to make a few compromises since I began assembling my system. Though my first priority has always been two-channel, I built a combined HT/Stereo system. While very good for movies, music has always lacked a certain vitality and exhibited an annoying sibilance. In an attempt to correct this I changed my front-end to a Sony C333ES SACD player and added a tubed preamp for the L/R front channels; I'll list the rest of my components at the end. Currently, the SACD player is connected to the tubed preamp CD inputs and my A/V preamp is connected to the AV inputs. My subwoofer is connected to the A/V preamp for the Dolby Digital LFE channel. The problem is that the tubed preamp, obviuosly, doesn't have an LFE out. My choice of subwoofers was based on its musicality first and its "volume" second i.e. music first, movies second. I've grown accustomed to having a nice deep foundation for symphonic pieces. Anybody have any ideas on how I can "have my cake and eat it to"? In other words, how can I connect my subwoofer so that it is used for both music and movies? Remember that the Dolby Digital LFE channel is a discrete channel. The subwoofer manufacturer does not recommend using both the LFE input and the subwoofers cross-over at the same time.

Sony C333ES SACD Player;
Sony S300 DVD Player;
B&K Ref. 10 A/V Preamp;
YS Audio Symphonies tubed Preamp;
B&K AV6000 Power Amp;
Paradigm Reference Studio 60 Loudspeakers;
Hsu Research VTF-2 powered subwoofer.