If it is plumbing the depths you want, check out Sunn O))) or James Blake. But I would take a listen before you pull the trigger on one of their LPs since they are not for everyone.
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This is off topic a bit, it's not vinyl. If you have the ability to play 24/192 files, the new Dark Knight Rises soundtrack (Hans Zimmer) from HDTracks is seriously dynamic and has bass to the deepest, darkest regions of the netherworld. Oh my. It will truly let you know if your rig has a set. It's fun but be careful!
The Hunter by Jennifer Warnes and The Bright Mississippi by Allen Toussaint are both examples of good music with well recorded bass. Neither will approach 18hz, but - beyond a pipe organ - no acoustic instrument really does.
For electronic music, you'd have to ask other folks as most isn't my cup of tea. However, you could try to chase down an old copy of Phillip Glass' "Etoile Polaire" (North Star). Not for every taste, but a significant work in the "trance music" movement.