Sonus Faber CONCERTINO Mode D'emploi page 14

Given that the illustrated procedure, which is aimed at creating almost perfect listening conditions, cannot be
applied by all of our customers due to objective problems linked to the organization of the living environment, it is
recommended to position the two loudspeakers away from the corners of the room, and at a distance of at least
1 m from the back wall. The two loudspeakers should be at least 1.8 meters apart from each other.
The listening point should be at a height of approximately 1.1 meters off the ground.
The distance between the loudspeakers themselves, and between the loudspeakers and the listening point, can
be subsequently adjusted as desired.
If the loudspeakers are to be positioned on a shelf, distancing is at least one and a half meters and surfaces at
equal height is recommended.
3.4 CONNECTIONS
After the loudspeakers have been positioned, they can be connected. Refer to the images in section 6.
The connections must be made with the equipment turned off!
The loudspeaker connection terminals allow you to connect cables terminated with stripped cable, forks
or banana plugs.
Loudspeaker systems with bi- or tri-wiring connection are equipped with jumpers that allow you to implement
various connection schemes. Depending on which scheme you intend to adopt, these jumpers may have to be
removed.
Proper tightening and periodic verification of the terminals will help to obtain and maintain optimal performance.
3.4.1 STANDARD CONNECTION (SINGLE WIRING)
It consists in running the loudspeakers (usually a pair) with a single stereo amplifier, or with a pair of monophonic
amplifiers, using only one bipolar power cable for each channel. Complete the connection as shown in the
EN IT
relative illustration.
3.4.2 BI-WIRING CONNECTION (ONLY FOR LOUDSPEAKERS EQUIPPED WITH SEPARATE INPUTS FOR
LOW AND MEDIUM-HIGH FREQUENCIES).
This scheme allows the bipolar power cables, to be connected to the Low sections and the Medium-high
sections of the loudspeakers, to be differentiated. It consists in running the loudspeakers (usually a pair) with a
single stereo amplifier, or with a pair of monophonic amplifiers, using separate bipolar power cables for each
input section of the loudspeaker. Remove the jumpers and complete the connection as shown in the relative
illustration.
3.4.3 BI-AMPING CONNECTION (ONLY FOR LOUDSPEAKERS EQUIPPED WITH SEPARATE INPUTS FOR
LOW AND MEDIUM-HIGH FREQUENCIES).
"This scheme is an evolution of the Bi-wiring connection and also allows the amplifiers to be connected to the
Low sections and the Medium-high sections of the loudspeakers to be differentiated. Loudspeakers (usually
a pair) are run with two distinct stereo amplifiers, or with two pairs of monophonic amplifiers, using separate
bipolar power cables for each input section of the loudspeaker. Remove the jumpers and complete the connection
as shown in the relative illustration."
3.4.4 MULTI-CHANNEL AUDIO SYSTEMS
The above also applies similarly in the case of multi-channel systems. Obviously, the connection scheme
becomes quite complex as the number of amplifiers increases with the number of channels.
3.4.5 RECOMMENDATIONS FOR CHOOSING THE AUDIO AMPLIFIER
"The output power required by amplifier in average conditions depends on the features of the loudspeaker
system (nominal impedance and sensitivity) and listening conditions (average acoustic level and listening point).
The following table, as an example, shows the case of a loudspeaker with a 4-ohm nominal impedance and a
sensitivity of 92 dB SPL."
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