Micro90c II
Micro90x II
Micro80x II
Micro Speaker Series
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How to Wire Your Speakers
You need to wire your speakers correctly to obtain the best sound quality and the proper
image. Wiring should just take a few minutes, but it’s important to do it carefully, since incorrect
wiring (such as reversed connections) can result in a poor soundstage or poor bass.
We recommend using 18-gauge or larger speaker wire for runs up to 25 feet (8m), and thicker
16-gauge or larger for longer runs. Strip 1⁄2" (12mm) of insulation off the ends of each speaker
cable to expose the two conductors and tightly twist the wire strands. Maintain consistency of
the + (red) and – (black) connections by using the markings on the wire.
IMPORTANT: Typically, one side of the wire is
smooth. Connect this side to the – (black)
connection. The other side has a rib or stripe.
Connect this to the + (red) connection.
Using the five-way binding posts: The binding posts permit easy connection to banana plugs,
pins, spade lugs, and bare wire. The metal
surfaces are plated with 24K gold to prevent
corrosion.
Insert the wire in the hole and tighten.
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Connections
WARNING: To prevent electrical shock, always switch off the amplifier or receiver when making
connections to the speaker.
Micro90c
Micro90c II Center Channel
Connections
Connect the speaker’s terminals to the
center channel terminals on the ampli-
fier or receiver. Maintain consistency of
the + (red) and – (black) connections
Rear channel
Left
Right
by using the markings on the wire.
Center channel
Micro90x II and Micro80x II
Satellite Connections
Receiver or amplifier
Connect the satellites to the amplifier
or receiver terminals designated for
surround or rear channel effects.
Usually, these will be labeled as “Left
Rear” and “Right Rear.” Maintain con-
sistency of the + (red) and – (black)
connections by using the markings on
the wire.
Left Micro satellite
Right Micro satellite
IMPORTANT: Be sure to hook + to +, – to –.
Placement
Center channel
flush with
front of TV
Micro90c II Center Channel
Placement
Place the Micro90c II as close to the
TV monitor as possible, with its front
panel flush with the front of the
television.
5–9 ft.
(1.5–3m)
Place the surround
satellite beside or
behind the listeners
Self-adhesive rubber feet are included
with the Micro90c II to protect the
TV’s finish and prevent vibration.
Micro90x II and Micro80x II Satellite
Placement
For the most realistic surround effects, place the surround speakers so the sound is diffused
around the listening area. Avoid pointing them directly at the listeners.
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Wall-Mounting the Micro Satellites
The Micro satellites may be wall-mounted using the included keyhole bracket.
1
Install a #8 or #10 mounting screw on the wall (not sup-
1
plied–consult a knowledgeable installer regarding the
proper hardware to use on your wall).
2
Attach the bracket to the back of the speaker with the
machine screw and acorn nut as shown.
3
If you are running wires behind the wall, make a 3⁄8"
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2
(9.5mm) wire hole, 13⁄4" (44mm) below the mounting screw
for the wire.
The speaker may be angled for optimum coverage of the
listening area.
An optional pedestal shelf stand/wall-mount bracket (Model MRB II) is available for the
Micro90x II and Micro80x II that provides greater positioning flexibility. For more information,
contact your dealer or Boston Acoustics directly.
Setting Up Your Home Theater System
Volume Levels: To obtain the best home theater effect, match the sound levels of each
speaker. Home theater systems include a test signal that simplifies this level matching. Refer to
the instructions provided with your surround sound electronics.
Center Channel Mode: Generally, with all surround systems, including Dolby® ProLogic® and
Dolby® Digital, the center channel mode should be set to “NORMAL” or “SMALL.” This setting
diverts low bass to the front left and right channels, and will result in the greatest total system
bass output. The “NORMAL” or “SMALL” center speaker setting ensures the subwoofer
receives the most bass information under all conditions. The “Phantom” setting, which presumes
you do not have a center channel speaker, should not be used.
Surround Channel Mode: If your electronics have a surround channel mode, it should also be
set to “NORMAL” or “SMALL.” This setting will divert any low bass in the surround channels to
the subwoofer.
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Listening Levels and Power-Handling
The power recommendation for the system assumes that you will operate the amplifier in a way
that will not produce distortion. Even our rugged speakers can be damaged by a modest
amplifier if it produces distortion. If you hear a harsh, gritty noise, turn down the volume.
Prolonged or repeated operation of your speaker with a distorted signal from the amplifier can
cause damage that is not covered by the warranty.
Limited Warranty
For five years from the date of purchase, Boston Acoustics will repair for the original owner any
defect in materials or workmanship that occurs in normal use of the Micro90c II, Micro90x II or
Micro80x II speakers, without charge for parts and labor.
Your responsibilities are to use the system according to the instructions supplied, to provide
safe and secure transportation to an authorized Boston Acoustics service representative and to
present proof of purchase in the form of your sales slip when requesting service.
Excluded from this warranty is damage that results from abuse, misuse, accidents, shipping or
repairs or modifications by anyone other than an authorized Boston Acoustics service
representative.
This warranty is void if the serial number has been removed or defaced.
This warranty gives you specific legal rights, and you may also have other rights which vary from
state to state.
If Service Seems Necessary
First, contact the retailer from whom you purchased the speaker(s). If that is not possible,
write to:
Boston Acoustics, Inc., 300 Jubilee Drive, Peabody, MA 01960.
We will promptly advise you of what action to take. If it is necessary to return your speaker to
the factory, please ship it prepaid. After it has been repaired, we will return it freight prepaid in
the U.S. and Canada.
Boston, Boston Acoustics, and MagnaGuard are registered
trademarks of Boston Acoustics, Inc. Dolby, ProLogic,
and Dolby Digital are registered trademarks of Dolby
Laboratories Licensing Corporation.
300 Jubilee Drive
© 2001 Boston Acoustics, Inc. All rights reserved.
Peabody, MA 01960 U.S.A.
978-538-5000
Specifications subject to change without notice.
042-001381-0
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