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MCS 90 Introduction
Thank you for purchasing a Boston Acoustics Multi-Channel Speaker System. These speakers incorporate high-quality
components
that produce the famous Boston sound. The system is ideally suited for use as a 5.1 channel solution in a high-quality home
theater or music system. The system is complete with everything you need for the typical speaker system including speaker
wire, satellite speakers, a center channel speaker, and a subwoofer. Please check out Bostonacoustics.com/placement for
information on placing your speakers.
The MCS 90 speaker system delivers exceptionally articulate on-screen dialog, music, eects, and room lling bass from a
small, sleek package. Compact driver placement and quality, system specic crossovers assure a wide uniform dispersion
for complete coverage of a listening room. All speakers also feature MagnaGuard® magnetic shielding which ensures the
speaker’s magnetic eld does not interfere with the televisions picture.
Unpacking the System
Carefully unpack the system. If there is any sign of damage from transit, report it immediately to your dealer and/or delivery
service. Keep the shipping carton and packing materials for future use. Open the package and verify the following contents:
(4) Satellite speakers
(1) Center Channel speaker
(1) Subwoofer
(2) 40’ (12m) speaker wires
(3) 15’ (4.6m) speaker wires
(1) 15’ (4.6m) subwoofer cable
(8) Rubber bumpers (used for wall mounting)
(1) Center Channel speaker
with 2 removable feet
Subwoofer
Specications Satellites Center Channel Subwoofer
Frequency Response: 120Hz – 20kHz 120Hz – 20kHz 40 - 180Hz
Recommended Amplier
Power Range: 10 – 100 watts 10 – 100 watts —
Sensitivity: 88dB [2.8v at 1m] 88dB [2.8v at 1m] —
Nominal Impedance: 8 ohms 8 ohms —
Crossover Frequency: 3,000Hz 3,000Hz —
Amplier Output: — — 100 watts RMS
Woofer: 3” with Phase Plugs 3” with Phase Plugs 8”
& MagnaGuard® & MagnaGuard
Tweeter:
1
⁄2” (13mm)
1
⁄2” (13mm) —
Dimensions (H x W x D) 7
3
⁄8 x 4
3
⁄8 x 4
11
⁄16” 5
11
⁄16 x 12
5
⁄8 x 3
3
⁄4” 12
3
⁄4 x 15
3
⁄8 x 15
3
⁄8”
(189 x 113 x 93mm) (145 x 321 x 95mm) (324 x 390 x 390mm)
Weight 2.5 lbs 4.6 lbs 22.7 lbs
(1.14kg) (2.1kg) (10.3kg)
(4) Satellite speakers
with 1 removable foot
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