Mixing and EQ'ing downtuned bass - getting the right frequencies

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Hi Folks, I'm having a slight problem with some of my music that I'm recording. I'm using a 5 string bass which is alternatively tuned to A (fundamental at 27.5hz) or G (24.5hz)

Thankfully I have a fairly good subwoofer on my listening system so it sounds mostly alright. But for most peoples listening environment you're going to get quite a lot of rolloff past about 60hz or so. What do people who down tune normally do to get the bass guitar to sit where it should in the mix? I mean I could simply boost it at the first harmonic (i.e. 55hz for A) but I'm sure there are better techniques out there. I think I heard of some sort of processing that is perfect for this purpose, but for the life of me I can't remember the name that was used.

Or should I just leave it and let the fundamental of the guitar (which would be 55hz for A) take care of it? I've done some experimenting but haven't really been happy with the result. The music style is heavy metal type stuff. For an example, here's one of my tracks with a low G (in the 2nd part of the song). This is just mixed how I would normally mix, bass is boosted at around 90hz so pretty traditional, but with the low fundamentals kept in un-boosted



Thanks for any advice

 

[Seafroggys]

Generally speaking what you hear on bass is the first overtone, which is an octave above the fundamental. So I would worry about those frequencies more than the base note.

 

[Jonesey9]

The human ear/brain combination has this wonderful ability where missing fundamentals are re-created from the harmonics (overtones) as Seafroggys is referring to above.

Don't sweat it - just do what you normally do.