Bose Acoustimass 10 Series I Посібник - Сторінка 4

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Також для Bose Acoustimass 10 Series I: Посібник користувача (18 сторінок), Посібник користувача (25 сторінок), Посібник користувача (17 сторінок)

All front and surround channel bass energy is summed within this chamber in much the

same way as a room would sum the bass energy from two separate bass modules. The

key difference with internal bass summing is the results of summation are much better

controlled because the summation conditions are already known (in a room with two

bass sources, their distance from each other and their location within the room heavily

influence bass summation and the loudspeaker designer cannot predict that ahead of

time).

Another important purpose of this chamber is it interacts with Acoustic Mass C to

provide an extra stage of low pass filtering to create a steeper high frequency roll off

slope for the bass module, which serves to reduce localization.

Acoustic Mass C

This is the exit port of the bass module and serves to launch the bass energy into the

room on a column of air (purifying, of course). This port also interacts with Acoustic

Spring C to reproduce the middle range of frequencies of the bass module, while

reducing the cone excursion of all the woofers over this middle range (60Hz to 120Hz).

This port is flared to eliminate any internal air turbulence, which significantly improves

the efficiency of the entire bass module at high listening levels.

Acoustic Spring D

This is the volume of air enclosing the rear portion of the surround channel woofer. Its

main purpose is to load the surround woofer and to help reduce cone excursion.

Acoustic Spring C

(summing chamber)

Acoustic Mass A

Acoustic Mass C

Surround Channel Woofer

Figure 1. AM-10 Bass Module

Left Channel Woofer

Acoustic Mass B

Acoustic Spring A

(Rear chamber)

Acoustic Spring B

(Middle chamber)

Right Channel Woofer

Acoustic Spring D