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Focal SUB AIR Manual De Uso página 31

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SUB AIR
U s e r m a n u a l
31
2. Positioning the Sub Air in your listening room (fig. A, B, C)
Unlike loudspeakers, which have to be at sufficient distance from the walls and corners of the listening
room, our advice is to position the Sub Air subwoofer in a corner.
If the Sub Air is positioned up against a wall not in a corner, or a long way away from the room walls,
the very long wavelengths of the low frequencies reproduced will cause random excitation of reso-
nances in the listening space. The frequency response will not be linear and the quality of the bass will
be seriously affected (lack of depth, "tinny sound", poorly defined and/or poorly held bass, difficult or
impossible overlap crossover with main speakers).
By placing Sub Air in a corner, the room resonance will be excited in a more linear and predictable way.
Not only will perception of the bass be optimal, but this arrangement will make it possible to boost the
bass by + 6 dB. If, for practical reasons, you cannot position the Sub Air in a corner, try different posi-
tions in the room until you reach the best possible compromise.
Generally speaking, it is best to take care to position the subwoofer towards the front of the room.
As the frequency bands in question are omni-directional, the bass is not, in principle, affected by an
object or item of furniture placed between the subwoofer and the listening position.
3. Sub Air setup (fig. D, E)
Please refer to the "Positioning the Sub Air" section for optimal positioning of your Sub Air in your
listening room.
Using the Sub Air wall mounting kit. Screw the female part to the Sub Air, using the screws supplied.
Secure the male part to the wall where you want to fit the Sub Air. Attach the rubber feet to the rear
of the Sub Air.
May be placed on the floor or fixed to a wall.
4. Connecting the Sub Air in wireless mode (fig. F, G, H)
Sub Air Transmitter setup (fig. F)
Plug the 5 volt supply into the Sub Air Transmitter.
• Connect low level RCA inputs (fig. G)
When a 2-channel amplifier with pre-out line outputs is used, Sub Air Transmitter must always be
connected using the RCA stereo Right/Left inputs.
• Connect to the LFE input (fig. H)
When a multi-channel audio/video amplifier is used, the Sub Air Transmitter's single LFE input should
be connected to the "Subwoofer" output on the audio/video amplifier.

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