Wilson Audio WATT Series 7 - Manual (Page 40)

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Figure 8
The subjective effect of comb filter effects, (such as is shown in figure 8) is as fol-
lows:
• Added roughness to the sound
• Reduction of harmonic richness
• Smearing of lateral sound stage image focus and placement
Comb filter effects are usually caused by side wall reflections. They are best controlled by
very careful speaker placement and by the placement of Sonex or air duct panels applied to
that part of the wall where the reflection occurs.
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