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installation
Positioning
The loudspeakers have been en- gineered to deliver the most faithful sound reproduction, whether they are used for music or home cinema. In order to enhance their performance, to guarantee a high quality of listening, sound image and tone balance, it is important to note the following basic rules.
The listening area must be located at the summit of an equilateral triangle whose two other points of insertion are determined by the position of each speaker. Nevertheless it is possible to modify these distances to find an ideal compromise according to the particular disposition of the room (fig. A).
Each loudspeaker must be placed at the same height and on the same floor plan. The tweeter should be at the same height as the listener’s ear, when the listener is in their usual listening area (fig. B).
Avoid placing the loudspeakers too close to the room’s corners or walls. This will induce some unwanted room resonance and artificially increase bass response. On the contrary, if the bass level proves to be insufficient, it is possible to move the speakers closer to the walls to adjust the bass level (fig. C).
Optimization
To please the perfectionists, we shall give an optimum positioning formula : if A is the distance from the boomer centre to the closest wall (floor or wall), B the intermediate distance and C the longest distance (A<B<C), the relation B2=AC determines the ideal position of the speakers (fig. D).
• Example 1:
The boomer centre is 60cm (24”) from the floor (B=60cm) (mini speaker on a foot), standing 50cm (20”) from the back wall (A=50cm), the side wall will be ideally 72cm (28”) (C=B2 ⁄ A=72cm).
• Example 2:
the boomer centre is 30cm (12”) from the floor (column speaker) (A=30cm), 1m (39”) from the back wall (C=1m), the clearance with respect to the side walls will be B=√AC=54.7cm (22”).
Important
Stylish driver protective caps conjoined to the loudspeaker. Do not remove for optimized performances.
Connections
The Profile input sockets ensure reliable multipurpose connections for stripped cables as well as for plugs.
It is imperative to respect the connector polarity of both the loudspeaker and amplifier. The positive terminal “+” must be connected to the corresponding (matching) amplifier’s terminal and the negative terminal
User instructions
The sound rendition of the loudspeaker depends strongly upon the listening room’s acoustics, the place of the loudspeakers and the listening area. These factors can be modified in order to correct or enhance a desired effect.
Should the soundstage be im- precise or not centred, try to move the loudspeakers closer to each other. Harsh or aggressive sound means that your listening room is probably too reflective. Try to use any absorbing materials (such as tapestries, sofa, wall coverings, curtains…) combined with reflective materials to absorb or diffuse resonances.
Should the sound be “flat” or muffled, there are too many absorbing materials in the listening room. The sound appears to be
Generally the wall to the rear of the speakers should be made up of reflective materials so that the sound image exhibits satisfying volume and width. On the contrary the wall on the rear of the listener should be absorbing in order to avoid reflections damaging the perception of the stereo soundstage. These reflections may limit the impression of depth of the sound image. Furniture, such as bookshelves should be ideally placed along the side walls in order to diffuse sound waves and to prevent some frequencies from being amplified, especially in vocal range (it removes “flutter echo”).
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