Genesis I.C.E. 928 - Manual (Page 5)

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Setting-up the G928
While it is relatively easy to add a subwoofer into your system and hear
more bass, it is not as easy to integrate a subwoofer well into your
system. The Genesis 928 makes it easier than most other subs
because the servo system makes the G928’s bass quick, clean and
articulate. This means that no matter what main speakers you use, the
G928 will integrate well with them, even fast electrostatic or magnetic
planar speakers.
However, the most important component of your system that needs to
integrate well with your subwoofer is the room in which your subwoofer
plays.
Positioning the G928 for music
The first position that you can try is to place the G928 behind and to
the outside of your main music loudspeakers. We assume that you
have already found the best place in the room to position your main
speakers.
If you have only one G928 subwoofer, we recommend that you place it
on the right side. This is not a critical recommendation and you may
place the single subwoofer either on the right or the left. We
recommend the right (if there is a choice) because it’s the side in an
orchestra that the bass instruments are typically located. In most
cases, this will work quite well.
In some rooms, however, this may cause a boomy, thick, heavy bass
because the subwoofer is exciting the room modes too much. If this is
the case, then you will have to position the G928 in the spot in the
room where it will sound best.
A simple way to do this is as follows:
1.
Put the subwoofer where the listening position will typically
be. If you can, raise it up to where the listener’s ears will
usually be.
2.
Find a disc with an ascending and descending bass line.
This can be a piece of jazz music with a “walking” bass, or a
test disc with a frequency sweep such as the Cardas sweep
LP, or the Stereophile Test CD1.
3.
Next, crawl around on the floor until you find the spot where
the bass sound smoothest, and each note is the about