Bang & Olufsen BeoLab 5 Specifications download pdf (Page 12)

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The Acoustic Lens Technology system

in BeoLab 5 ensures better balance

between sound in the high and mid

tone frequencies coming directly

from the loudspeaker, and sound

reflected by the room. The Acoustic

Lens Technology system also ensures

correct tonal balance in the whole

area in front of the loudspeaker.

The BeoLab 5 Adaptive Bass Control

system and the Acoustic Lens

Technology system ensures optimum

freedom in the placement of your

loudspeakers. Performing a

calibration of the Adaptive Bass

Control system ensures that the

loudspeaker is optimally suited to its

placement and the surroundings –

and therefore, gives the best possible

sound quality.

Adapt BeoLab 5 to your room

Adaptive Bass Control calibration

Normally, when a loudspeaker is placed in a

corner, the bass level is boosted compared to

the bass level in a loudspeaker placed in a

more freestanding position.

With other speaker systems, you have to

consider this when placing them. With

BeoLab 5, the Adaptive Bass Control system

– when calibrated – filters out this change in

the bass level.

During the calibration, the loudspeaker

generates a series of sound signals and

measures the response from walls, the floor,

the ceiling, large objects and other surfaces in

the room. Based on these measurements, the

loudspeaker automatically calculates optimal

settings for the Adaptive Bass Control filter.

Important!

– Before you start the calibration, place the

loudspeaker where you want it to be.

– Do not calibrate more than one loudspeaker at a

time. Otherwise, the sound emitted from one

loudspeaker interferes with the measurements

done in the other, and vice versa.

– Consider the ‘normal status’ of the listening

room: Will the doors be closed…?

The windows…? Will the curtains be drawn…?

Will there be many people in the room…?

– If you, later on, decide to move the

loudspeakers, rearrange your room, carpet the

floor, etc., we recommend that you perform the

calibration for each loudspeaker once again.

– We recommend that you keep any tone control

settings neutral.

During the calibration make sure that no noise

interferes with the sounds emitted by the

loudspeaker. Such noise might, for example, be:

a running vacuum cleaner, ventilation or air

conditioning systems, motor sounds nearby, etc.

Up to a certain level, the loudspeaker will try to

compensate for this noise, but eventually, the

noise may cause the calibration to fail – indicated

by a slowly flashing red light. Should this happen,

you must restart the calibration – perhaps later on,

when the noise has stopped…

The ‘Adaptive Bass Control’ calibration ensures

that the bass level suits the placement of the

loudspeaker, and thus the surroundings.

When you switch the loudspeaker on for the first

time, the indicator light flashes slowly green* –

signalling that it has not yet been calibrated.

Acoustic Lens Technology –

manufactured under license

from Sausalito Audio Works.

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