Bose Acoustimass 10 Series I Manual - Page 3
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Acoustimass
10 Bass Module Description
(Refer to Figure 1)
Left woofer
Reproduces all left channel low frequency information. This woofer is loaded by the
Acoustimass 10 enclosure in such a way as to produce deep bass energy.
Right woofer
Reproduces all right channel low frequency information. This woofer is loaded by the
Acoustimass 10 enclosure in such a way as to produce deep bass energy.
Surround woofer
Reproduces all left and right surround channel low frequency information. This woofer
uses a dual voice coil that electromagnetically sums the left and right surround channel
bass energy. The woofer cone then reproduces the summed left and right surround
channel and sends it into the energy summing chamber (acoustic spring C).
Acoustic Spring A
This is the volume of air in the rear chamber (in front of the left and right channel
woofers). This volume of air acts like a spring and acoustically couples the fronts of the
left and right woofers to acoustic mass A.
Acoustic Mass A
This is the longer of the two internal ports and, together with Acoustic spring A, serves
to reproduce the lower frequencies of the bass module, while reducing the cone
excursion of the left and right woofers over this lower frequency range (35Hz to 60Hz).
Acoustic Spring B
This is the volume of air in the middle chamber (behind the left and right channel
woofers). This volume of air acts like a spring and acoustically couples the rear of the
left and right woofers to acoustic mass B.
Acoustic Mass B
This is the shorter of the two internal ports and, together with Acoustic spring B, serves
to reproduce the upper frequencies of the bass module, while reducing the cone
excursion of the left and right woofers over this upper frequency range (120Hz to
200Hz).
Acoustic Spring C (The Energy Summing Chamber)
This is the front most volume of air inside the AM-10 bass module. This is where the bass is
summed. Within this chamber, the front channel bass energy is received via acoustic mass A
and B, the surround channel bass energy is received directly from the surround woofer.
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