Genesis I.C.E. Genesis 6.1e - Manual (Page 9)

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absolute fidelity
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4 The Refinement stage
After following the set-up guide above, you may not be completely
satisfied with the results. We share with you here some of our
observations in setting up these loudspeakers.
4.1 One Change at a Time
One rule of thumb you should always keep in mind. Make one change
at a time! Do not, for instance, change position of the speakers and
make an adjustment to the amplifier all at once. Make each of these
changes separately and note the difference - by listening with each
adjustment, then make the next change.
4.2 Defining the Soundstage
A common problem we find with many set-ups is a tendency to
separate the speakers too far from each other. This gives an unnaturally
wide soundstage between the two speakers, and creates problems
beyond the unnatural width of the center stage. The key problem is a
lack of soundstage information beyond the left and right sides of the
speakers.
If you find that the sound is not spacious enough or you are not getting
enough front to back depth, pull the speaker away from the front wall.
This is typically preferable to separating the two speakers too far, and
will almost always give you better depth and soundstage information. A
word of caution though: if you move the speakers too far from the front
wall you may lose the focus of the image.
4.3 Appropriate Mid-bass Balance
Another problem is a lack of mid-bass energy. In order for the
appropriate amount of mid-bass energy to be present, the speakers
should be close enough together to achieve proper "coupling" of the
midrange and the mid-bass couplers. Coupling is desirable in the lower
frequencies from the mid-bass on down. This simply means that the left
and right drivers "work together" as opposed to working separately.
If you find there isn't enough deep bass, you may need an optional
Genesis ServoSub. The G6.1e has good bass extension down to
48Hz, and rolls off gently below that. A ServoSub will extend this bass
response down to 18Hz.
In order to achieve what the speaker is capable of we suggest you focus
your efforts on a proper balance of soundstage elements that includes
information beyond the left and right sides of the speakers, front to back