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Start with this control at the 12 o'clock position. There is about a
±
one
dB range for this control.
2.2.2 Bass
Contour
The bass contour knob is unique to Genesis. It is a purely passive
control that lets you tune the bass performance of the G7.1p into your
system, and your room. As you rotate the knob clockwise, it will give you
more bass, but your amplifier will have to be more
capable of delivering more of current into a lower
impedance load. As you rotate the knob counter-
clockwise, the bass of the system rolls off slower, but
becomes more extended.
See the figure to the left: the red curve shows the bass
contour knob rotated fully clockwise (full up), and the
green curve shows it rotated fully anti-clockwise (full
down).
The effect is subtle, affecting the response by some 3dB. With the knob
rotated fully clockwise, the impedance of the loudspeaker goes down to
2.7 ohms at 62Hz. With the bass contour full down, the impedance
minimum is 5.5 ohms at 52Hz.
2.2.3 Tweeter
Defeat
The optimal way to use these speakers as a stereo pair is to leave the
rear tweeters on, and run them as dipole and at least 18-inches from the
front wall. However, in some cases, this may not be possible.
Should the speakers have to be placed with their backs less than 12
inches from the wall, the rear tweeters should be turned off.
2.3 Tuning the system
Music is the best way to begin your set-up procedure. We suggest that
video sources be used only after you have set-up the system to properly
reproduce music. There is no “perfect” setting for the G7.1p. Every
listening room is different, and we recommend that you take the time to
carefully tune the system for the environment in which it is placed.
Your Genesis loudspeakers should sound great straight out of the box. If
you don’t like the sound, several hundred hours of breaking-in will not
change the sound of your speakers, although it may break-in your ears!
2.4 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
Effect of Bass Contour Control
