Bose Speaker System 10 Series II User Guide page

®
®
The Bose Acoustimass 10 Series II Home Theater  
Speaker System  
Owner’s Guide  
October 22, 2001  
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Introduction  
Thank you  
We appreciate your choice of the Bose® Acoustimass® 10 Series II home theater speaker  
system. With these Virtually Invisible® speakers you’ll surround yourself with realistic sound,  
without a lot of equipment. Your system features new third generation Acoustimass cube  
speaker arrays, a product of the continuous research and development at Bose Corporation.  
These cube speakers deliver more lifelike sound and better overall performance, yet are  
smaller than their predecessors.  
Important information  
Please read this owner’s guide  
The set-up and operation of your Acoustimass 10 Series II speaker system is significantly  
different from other speakers. Please take the time to read this owner’s guide carefully. It will  
help you set up and operate your system properly, and enjoy all of its advanced features.  
Save your owner’s guide for future reference.  
Declaration  
of Conformity  
We, the offerer:  
Bose® Corporation, The Mountain,  
Framingham, MA 01701-9168 USA  
acknowledge our sole responsibility, that the product:  
Kind of equipment:  
Type designation:  
Loudspeakers  
Acoustimass® 10 Series II  
Home Theater Speakers  
in accordance with EMC Directive 89/336/EEC and Article 10(1) of the Directive,  
is in compliance with the following norm(s) or document(s):  
Technical regulations:  
EN50081-1, EN50082-1  
Accredited by Bose Corporation  
1 May 1998  
Bose B.V., Nijverheidstraat 8  
Anton Schalkamp  
1135 GE Edam, The Netherlands  
General Manager, Bose Europe  
Manufacturer’s authorized EU representative  
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Important Safety Instructions  
1. Read these instructions for all components  
14. Refer all servicing to qualified service person-  
nel. Servicing is required when the apparatus  
has been damaged in any way: such as power-  
supply cord or plug is damaged; liquid has  
been spilled or objects have fallen into the  
apparatus; the apparatus has been exposed to  
rain or moisture, does not operate normally, or  
has been dropped Do not attempt to service this  
product yourself. Opening or removing covers may  
expose you to dangerous voltages or other hazards.  
Please call Bose to be referred to an authorized  
service center near you.  
before using this product.  
2. Keep these instructions for future reference.  
3. Heed all warnings on the product and in the  
owners guide.  
4. Follow all instructions.  
5. Do not use this apparatus near water or  
moisture Do not use this product near a  
bathtub, washbowl, kitchen sink, laundry tub, in a  
wet basement, near a swimming pool, or any-  
where else that water or moisture are present.  
15. To prevent risk of fire or electric shock, avoid  
overloading wall outlets, extension cords, or  
integral convenience receptacles.  
6. Clean only with a dry cloth and as directed  
®
by Bose Corporation. Unplug this product from  
the wall outlet before cleaning.  
16. Do not let objects or liquids enter the product –  
as they may touch dangerous voltage points or  
short-out parts that could result in a fire or electric  
shock.  
7. Do not block any ventilation openings.  
Install in accordance with the  
manufacturer’s instructions To ensure  
reliable operation of the product and to protect it  
from overheating, put the product in a position  
and location that will not interfere with its proper  
ventilation. For example, do not place the product  
on a bed, sofa, or similar surface that may block  
the ventilation openings. Do not put it in a built-in  
system, such as a bookcase or a cabinet that may  
keep air from flowing through its ventilation  
openings.  
17. See product enclosure for safety related  
markings.  
Information about products that  
generate electrical noise  
If applicable, this equipment has been tested and found  
to comply with the limits for a Class B digital device,  
pursuant to Part 15 of the FCC rules. These limits are  
designed to provide reasonable protection against  
harmful interference in a residential installation. This  
equipment generates, uses, and can radiate radio  
frequency energy and, if not installed and used in accor-  
dance with the instructions, may cause harmful interfer-  
ence to radio communications. However, this is no  
guarantee that interference will not occur in a particular  
installation. If this equipment does cause harmful interfer-  
ence to radio or television reception, which can be  
determined by turning the equipment off and on, you are  
encouraged to try to correct the interference by one or  
more of the following measures:  
8. Do not install near any heat sources, such  
as radiators, heat registers, stoves or other  
apparatus (including amplifiers) that pro-  
duce heat.  
9. Do not defeat the safety purpose of the  
polarized or grounding-type plug. A polar-  
ized plug has two blades with one wider  
than the other. A grounding-type plug has  
two blades and a third grounding prong. The  
wider blade or third prong are provided for  
your safety. If the provided plug does not fit  
in your outlet, consult an electrician for  
replacement of the obsolete outlet.  
10. Protect the power cord from being walked  
on or pinched, particularly at plugs, conve-  
nience receptacles, and the point where  
they exit from the apparatus.  
Reorient or relocate the receiving antenna.  
Increase the separation between the equipment and  
receiver.  
11. Only use attachments/accessories speci-  
fied by the manufacturer.  
Connect the equipment to an outlet on a different  
12. Use only with the cart, stand, tripod,  
bracket or table specified by the  
manufacturer or sold with the  
apparatus. When a cart is used,  
use caution when moving the  
cart/apparatus combination to  
avoid injury from tip-over.  
circuit than the one to which the receiver is connected.  
Consult the dealer or an experienced radio/TV techni-  
cian for help.  
Note: Unauthorized modification of the receiver or radio  
remote control could void the user’s authority to operate  
this equipment.  
13. Unplug this apparatus during lightning  
storms or when unused for long periods of  
time to prevent damage to this product.  
This product complies with the Canadian ICES-003 Class  
B specifications.  
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a
Important Safety Instructions  
18. Use proper power sources Plug the product into  
a proper power source, as described in the operating  
instructions or as marked on the product.  
Antenna grounding  
Example of antenna grounding as per National Electrical  
Code, ANSI/NFPA 70.  
19. Avoid power lines Use extreme care when  
installing an outside antenna system to keep from  
touching power lines or circuits, as contact with  
them may be fatal. Do not install external antennas  
near overhead power lines or other electric light or  
power circuits, nor where an antenna can fall into  
such circuits or power lines.  
Antenna lead in wire  
20. Ground all outdoor antennas If an external  
antenna or cable system is connected to this  
product, be sure the antenna or cable system is  
grounded. This will provide some protection against  
voltage surges and built-up static charges.  
Ground clamp  
Antenna discharge unit  
(NEC Section 810-20)  
Grounding conductors  
(NEC Section 810-21)  
Electric service  
equipment  
Section 810 of the National Electrical Code ANSI/  
NFPA No. 70 provides information with respect to  
proper grounding of the mast and supporting  
structure, grounding of the lead-in wire to an antenna  
discharge unit, size of grounding conductors,  
location of antenna-discharge unit, connection to  
grounding electrodes, and requirements for the  
ground electrode. Refer to the antenna grounding  
illustration on this page.  
Ground clamps  
Power service grounding  
electrode system  
(NEC ART 250, Part H)  
Note to CATV system installer  
This reminder is provided to call the CATV system  
installers attention to Article 820-40 of the NEC (of USA)  
that provides guidelines for proper grounding. In particu-  
lar, it specifies that the cable ground shall be connected  
to the grounding system of the building, as close to the  
point of cable entry as is practical.  
©2001 Bose Corporation,  
The Mountain, Framingham, MA  
01701-9168 USA  
255805 AM Rev.00 JN10494  
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Contents  
Where to find...  
Introduction  
Thank you ..................................................................................................................... 2  
Important Information ................................................................................................... 2  
Contents  
Where to find............................................................................................................. 3  
For your records ........................................................................................................... 3  
Setting Up  
Before you begin........................................................................................................... 4  
Unpacking the carton ................................................................................................... 4  
Placing your Acoustimass® 10 Series II speakers to achieve  
realistic home theater sound .................................................................................. 5  
Selecting the locations for your speakers..................................................................... 6  
Connecting the speakers .............................................................................................. 9  
Using Your Acoustimass 10 Series II speaker system  
For realistic home theater sound ................................................................................ 13  
Maintaining Your Acoustimass 10 Series II speaker system  
Troubleshooting .......................................................................................................... 14  
Customer service ........................................................................................................ 14  
Cleaning the speakers ................................................................................................ 15  
Warranty period .......................................................................................................... 15  
Accessories................................................................................................................. 15  
Product Information  
Technical information.................................................................................................. 16  
Bose® Corporation ....................................................................................inside back cover  
For your records  
The serial number is located near the connection panel on the Acoustimass module.  
Serial number: _________________________________________________________________  
Dealer name: __________________________________________________________________  
Dealer phone:_______________________ Purchase date: ___________________________  
We suggest you keep your sales slip and warranty card together with this owners guide.  
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Setting Up  
Before you begin  
Bose® Virtually Invisible® speaker technology allows you to enjoy lifelike home performances  
from the very latest surround-sound encoded movies, CDs, and television shows, without a  
room full of speakers.  
Your stereo VCR or stereo television sends the encoded program material to the surround-  
sound receiver, which interprets it by distributing various sounds to particular speakers.  
Although the sound mix varies with different types of programs, dialogue is usually sent to  
the center speaker while sounds from the left or right side of the picture go to the left or right  
front speakers. Ambient sounds and special effects are directed to one or both of the sur-  
round (rear) speakers. The unique, easy-to-hide Acoustimass® module delivers bass for all  
channels. At any point in surround-sound performance, you may hear sound from all or just a  
few of the speakers.  
To select surround-encoded program material, look for any of the terms Surround, Dolby  
Surround, and the double-D symbol  
* on tapes and discs, and the word  
surroundpreceding a TV broadcast. Your Acoustimass 10 Series II home theater speakers  
are also compatible with Dolby Digital* (also known as AC-3) receivers and program material.  
The special settings for Dolby Pro-Logic and Dolby Digital receivers are described on  
page 13.  
You can also enjoy a wide variety of stereo programming that is not surround-encoded with  
your Acoustimass 10 Series II speakers. Simply adjust your receiver accordingly.  
Unpacking the carton  
Remove any staples from the opened carton flaps.  
Remove the brown inner cartons containing the five cube speaker arrays and the Acousti-  
mass module terminal cover.  
Gently roll the carton over onto its side and then onto its opening.  
Carefully lift the carton from around the Acoustimass module and packing cushions.  
Do not detach the removable cables connected to the Acoustimass module.  
If the speakers or the Acoustimass module appear damaged, do not use them. Repack  
everything in the original carton and contact your authorized Bose dealer immediately.  
WARNING: The Acoustimass module weighs 28.7 pounds (13 kg). Use good lifting  
practice to avoid injury.  
WARNING: To avoid danger of suffocation, keep the plastic bags that wrap these speakers  
out of the reach of children.  
* Dolby, Dolby Digital, Dolby Pro-Logic, the double-D symbol, and Dolby Digital (AC-3) are trademarks of Dolby Laboratories  
Licensing Corporation.  
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Setting Up  
Note: Now is a good time to record the serial number of the Acoustimass® module on page 3  
of this guide and on your warranty card. It is a good idea to save all packing materials for  
possible future use.  
Figure 1  
What comes in the carton:  
Acoustimass module  
Module end cover  
5 cube speaker arrays  
20' (6 m) speaker input cable  
20' (6 m) front speaker output  
cable  
50' (15 m) rear speaker  
output cable  
8 protective rubber feet  
Owners guide  
Quick set up guide  
Placing your Acoustimass 10 Series II speakers to achieve realistic home  
theater sound  
The center speaker localizes action and dialogue on your screen. Sound from the center  
speaker should seem to come from within the picture.  
The left and right front speakers create a sound image wider than the screen that seems  
natural to viewers sitting anywhere in the room.  
The surround speakers add subtle sounds and special effects that expand the visual image,  
bringing the viewer into the center of the action. The surround speakers should be positioned  
to allow the sound to reach the viewer from both sides, rather than from directly behind.  
You can place the front and center speakers near a TV screen with no picture interference,  
because all of the cube speakers are magnetically shielded. You can use any of the five cube  
arrays at any location.  
The Acoustimass module is not magnetically shielded and should be at least 2 feet (.6 m)  
from your screen, but at the same end of the room as the front and center speakers. Bose®  
Acoustimass speaker technology takes advantage of the fact that the source of bass sound is  
difficult to locate, so you can hide the Acoustimass module conveniently out of sight.  
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Setting Up  
A suggested home theater layout that conforms to the guidelines described above is shown  
in Figure 2. Twist the pairs of cube speakers so they describe angles that create room-filling  
sound patterns.  
You may choose to place the speakers differently, to take advantage of the sound character-  
istics of different rooms. Your speakers come with sufficient cable lengths to allow you to  
have the following distances between components:  
Up to 20 feet (6 m) between the Acoustimass® module and the receiver.  
Up to 20 feet (6 m) between the Acoustimass module and the front and center cube  
speakers.  
Up to 50 feet (15 m) between the Acoustimass module and the surround speakers.  
Bose wall brackets and floor stands can extend your placement options. See Accessories”  
on page 15.  
Note: Please follow wall bracket instructions carefully. Proper mounting will insure optimum  
performance from your system.  
Figure 2  
One suggested home theater  
layout  
Selecting the locations for your speakers  
The cables provided with your Acoustimass 10 Series II system vary in length, allowing a  
great deal of flexibility in speaker placement. Use the following placement suggestions as  
general guidelines. Choose convenient speaker locations that give you good sound.  
Left and right front cube speakers  
Figure 3 shows suggested ways to achieve an accurate left and right sound image.  
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Setting Up  
Place the front speakers on either side of your TV, at least 6 feet (2 m), or as much as 15  
feet (5 m) apart.  
Place them in line with the center of the screen for the best sound balance (position 1).  
You can also place them diagonally as shown below in position 2. Placing them in a line  
above the top of the TV is a third choice (position 3).  
The speaker on the left as you face the TV is connected to the LEFT FRONT output jack  
on the Acoustimass® module.  
Figure 3  
Suggested choices for left and  
right front speaker placement  
3
1
2
1
3
2
Center cube speaker  
Sound from the center speaker should seem to come from within the picture.  
Figure 4 shows suggested positions for the center speaker.  
Place the center cube speaker above, below, or on top of your television. If below, be sure  
that the cube speaker is not supporting the weight of the television in any way.  
Keep it as close to the vertical center of the screen as possible, for the most accurate  
dialogue reproduction (positions 1 or 2).  
CAUTION: If you are placing the center speaker on top of the television, use the smaller of  
the two sets of four rubber feet provided. This will also provide extra stability on surfaces  
such as marble or glass. Additional rubber feet are available, free, by calling the Bose®  
customer service numbers inside the back cover of this manual. Ask for Part Number  
178321-04.  
Figure 4  
Suggested choices for center  
speaker placement  
1
2
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Setting Up  
Surround cube speakers  
The left and right rear channel sound should reach the viewer from both sides, rather than  
from directly behind. Refer to Figure 5.  
Put one on the left and the other on the right, beside or just to the rear of the home theater  
seating area.  
Place them high up, to avoid a direct sound path to the ears of the listeners (position 1).  
If you want the speakers located as shown in positions 2 and 3, make sure they are not  
directed at the viewers.  
The rear speaker on the left as you face the TV is connected to the LEFT SURROUND  
output jack on the Acoustimass® module.  
Figure 5  
Suggested choices for surround  
(rear) speaker placement  
1
2
1
2
3
3
Acoustimass module  
Bose® recommends putting your Acoustimass module at the same end of the room as the  
television monitor. To prevent interference, keep the module at least 2 feet (.6 m) from the  
television.  
You may hide the Acoustimass module behind or under furniture, but do not block the  
opening. Be sure there is at least 2 inches (5 cm) between the opening and any surface.  
If the opening faces the wall it increases the bass; if it faces away it decreases the bass.  
For the most bass response, place the opening 2 to 3 inches (5 to 8 cm) from a wall or  
corner.  
Stand the Acoustimass module vertically or horizontally (Figure 6). To stand it on the  
cable connection end, remove the cover by gently pulling it away.  
After selecting a place for the Acoustimass module, attach the larger set of four rubber feet  
to the bottom surface for additional stability. The feet protect the cable connections and  
must be mounted when the Acoustimass module is standing on that end.  
Figure 6  
Acoustimass module positions  
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Setting Up  
Connecting the speakers  
The supplied cables make it easy for you to connect your system. The connections at the  
Acoustimass® module are already made for you. There are three sets of cables, joined  
together to form ribbons, which may be separated or unzippedas much as needed to  
comfortably reach the speakers (Figure 7). Separate the cables as you are laying out the  
cable lengths.  
The 20 foot (6 m) cable with three pairs of wires connects the Acoustimass module to the  
center, left, and right front cube speakers.  
The 50 foot (15 m) cable with two pairs of wires connects the Acoustimass module to the  
left and right surround cube speakers.  
The 20 foot (6 m) cable with five pairs of wires connects the Acoustimass module to the  
outputs on the receiver. Separate these wires just enough to reach the connectors.  
Figure 7  
Separating cables  
CAUTION: Before making any connections turn off your receiver or amplifier and unplug it  
from the outlet (AC power mains). Not doing so may result in damage to your system.  
Never connect the cubes directly to a receiver output. Always connect the cube speakers to  
the Acoustimass module, then connect the Acoustimass module to the receiver.  
Never use broken or frayed wiring, which can result in electrical shock or damage to your  
system.  
The supplied cables are not intended for in-wall installation. Check local building codes or  
enlist a qualified installer.  
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Setting Up  
Note: If you want to use other speaker cable or need to lengthen the supplied cables, call  
Bose® customer service. See page 15 for descriptions of applicable accessories. The cus-  
tomer service numbers can be found inside the back cover.  
®
Connect the Acoustimass module to the center and front cube  
speakers  
Use the 20 foot (6 m) cable with three pairs of wires to connect the Acoustimass module to  
the center and front cube speakers.  
Note: You can use any cube array in any position.  
1. Connect the wire pair marked CENTER to the cube array you have placed in the center  
speaker position. Press the terminal tab on the back of each speaker. Then, insert the  
marked wire into the red terminal and the plain wire into the black terminal. Release the tab  
to secure the wires in place. See Figure 8.  
2. Connect the wire pair marked RIGHT to the cube array you have placed in the right front  
position (to the right of the TV as you face it) in the same way.  
3. Connect the wire pair marked LEFT to the cube array you have placed in the left front  
position (to the left of the TV as you face it).  
Figure 8  
Making cube speaker connec-  
tions  
Marked wire  
to red terminal  
10  
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Setting Up  
®
Connect the Acoustimass module to the surround cube  
speakers  
Use the 50 foot (15 m) cable with two pairs of wires to connect the Right and Left surround  
cube speakers to the Acoustimass module.  
1. Use the wire marked RIGHT SURROUND to connect the module to the right surround  
speaker (on your right as you face the TV). As shown in Figure 8, press the terminal tab on  
the back of the speaker to insert the marked wire into the red terminal and the plain wire  
into the black terminal. Release the tab to secure the wires in place.  
2. The wire marked LEFT SURROUND connects the module to the left surround speaker.  
Press the terminal tab on the back of the speaker to insert the marked wire into the red  
terminal and the plain wire into the black terminal. Release the tab to secure the wires.  
Connect the Acoustimass module to the receiver  
Use the 20 foot (6 m) cable with five pairs of wires to connect the Acoustimass module to  
your surround-sound receiver.  
1. Match the wire labels to the SPEAKER OUTPUT labels on the receiver:  
a. RIGHT wires go to the Right Front SPEAKER OUTPUT connections.  
b. CENTER wires go to the Center SPEAKER OUTPUT connections.  
c. LEFT wires go to the Left Front SPEAKER OUTPUT connections.  
d. RIGHT SURROUND wires to the Right Surround (rear) SPEAKER OUTPUT connec-  
tions.  
e. LEFT SURROUND wires go to the Left Surround (rear) SPEAKER OUTPUT connec-  
tions.  
2. Match the polarity on the receiver. Connect the wire pairs in phase (+ to + and to ).  
a. Attach each marked wire (+) to the appropriate positive (+) terminal.  
b. Attach each plain wire () to the appropriate negative () terminal.  
3. At the Acoustimass module, check to make sure all RCA connectors are firmly inserted  
into the proper INPUT FROM RECEIVER OR AMPLIFIER jacks.  
Note: "Front" speakers may also be called "Main", "A", or "1" by some receiver manufacturers.  
"Surround" speakers may be called "Rear".  
CAUTION: Do not connect the Acoustimass module directly to your television unless the  
television provides surround decoding circuitry and amplified outputs for all channels.  
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Setting Up  
Check the connections  
Check all connections from the receiver to the Acoustimass® module and the module to the  
cube speakers (Figure 9). Make sure all speakers are connected to the proper terminals  
according to their position in your room.  
At the receiver, check that the wires are connected in phase (+ to + and to ). Incorrect  
wiring can result in a total loss of Acoustimass module output.  
Be sure to correct any wiring problems before you plug your receiver in and turn it on.  
CAUTION: Do not allow exposed wires to brush against each other; this could damage  
your receiver.  
Figure 9  
R
C
L
Completed connections  
OUTPUTS  
FRONT SPEAKERS  
SURROUND SPEAKERS  
TO CUBE SPEAKERS  
L
C
R
LS  
RS  
R
L
R
REAR  
L
CENTER  
LEFT  
CENTER  
RIGHT  
LEFT  
RIGHT  
SURROUND SURROUND  
INPUTS  
FROM RECEIVER OR AMPLIFIER  
LS  
L
C
R
RS  
RS  
LS  
Attach the module end cover, if desired  
The module end cover is designed to hide the cabling and extend the smooth, clean lines of  
the Acoustimass module. However, because the cover has a beveled surface, you cannot  
stand the module on that end with the cover in place.  
If you plan to use the cover, attach it to the cable end after all connections have been  
checked (Figure 9). Gently push the end cover into the grommets on the Acoustimass  
module (Figure 10).  
Your set-up is complete. Enjoy your Acoustimass 10 Series II speaker system.  
Figure 10  
The module end cover fits over  
the cables  
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®
Using Your Acoustimass 10 Series II Speaker System  
For realistic home theater sound  
Each speaker produces only the sound directed to it by the steering logic in your surround-  
sound receiver. During a surround-sound program the front and center speakers will emit  
sound almost constantly, while the surround speakers may be silent for periods of time.  
Setting your Dolby Pro-Logic receiver  
You must set the volume levels for the front, center, and surround speakers at your receiver.  
You can adjust these levels at the receiver or with the remote control. Your receiver may have  
a test tone to help you set volume levels. If it does, follow these steps:  
Press test tone ON at the remote.  
Set the volume for the speakers in the following order: Left, Center, Right, Surround.  
Balance the pink noise tone for evenness among all individual speakers.  
Instructions for this process vary, depending on the brand and model of receiver you are  
using. Follow your receiver owners guide for testing and adjusting the balance of each  
speaker.  
For use in video applications, be sure the SURROUND-SOUND center mode setting of your  
receiver is on NORMAL (Figure 11).  
Figure 11  
15  
14  
16  
17  
13  
18  
12  
19  
11  
A Dolby Pro-Logic receiver set  
for NORMAL surround-sound  
20  
21  
22  
23  
10  
9
8
7
24  
25  
6
5
4
26  
27  
28  
3
2
1
29  
30  
0
Setting your Dolby Digital (AC-3) receiver  
Your Acoustimass 10 Series II speakers are compatible with the output from Dolby Digital  
(AC-3) receivers. Take special care to set the channel output according to the specifications  
listed in the chart below. The cube speakers are full-range loudspeakers and must be set up  
as LARGE speakers at the receiver or its TV screen menu. Turn the subwoofer OFF, but turn  
the LFE (low frequency effects) ON. If available, set the crossover frequency to 200Hz.  
Speaker  
Setting at receiver  
Left and Right Front  
Center  
Large  
Large  
Large  
ON  
Left and Right Surround  
LFE (low frequency effects)  
Subwoofer  
OFF  
Crossover frequency  
200Hz  
Bass and treble adjustments  
Upholstered furniture, wall-to-wall carpets, or heavy drapes can muffle treble (high notes),  
making your speaker system sound bass heavy. Bare floors and walls and hard surface  
furniture can make your speaker system sound too shrill. After listening to your speakers, you  
may want to adjust the balance of bass and treble. You can use the bass and treble controls  
on your receiver.  
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®
Maintaining Your Acoustimass 10 Series II Speaker System  
Troubleshooting  
If you have a problem with your Acoustimass 10 Series II speakers, turn off your sound  
source and try the solutions below. If you still have a problem, contact your Bose® dealer to  
arrange for service. Or, to contact Bose directly, refer to the inside back cover of this guide.  
Problem  
What to do  
System does not  
function at all  
Make sure the power cord of the receiver is plugged into an operating AC wall outlet and  
that the unit is turned on.  
Be sure to select a source at the receiver (video, DVD, CD, tuner).  
No sound  
Check the speaker connections. Turn the unit ON.  
Increase the volume.  
Disconnect any headphones.  
Sound is distorted  
No bass  
Make sure speaker cable is not damaged.  
Reduce the volume of any external components connected to the receiver.  
Make sure the speaker connections at the receiver or amplifier are correct (+ to + and - to -).  
If you are using Dolby Digital (AC-3) programming, verify that the settings are correct at the  
receiver. Be sure the source material (laserdisc, DVD, or broadcast programming) is Dolby  
Digital encoded.  
Not enough or  
too much bass  
Move the Acoustimass module closer to a wall or corner to increase bass. Move it farther  
from a wall or corner to decrease bass.  
Set the Loudnessor Bass Boostcontrol on your receiver to increase or decrease bass.  
No surround-sound  
To get the full performance benefit, your HiFi Stereo VCR or stereo television must be  
connected to a home theater receiver.  
Make sure your receiver is set to a surround-sound mode.  
Customer service  
For additional help in solving problems, contact Bose customer service. See the inside back  
cover for Bose customer service offices and phone numbers.  
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®
Maintaining Your Acoustimass 10 Series II Speaker System  
Cleaning the speakers  
Wipe the cube speakers using a damp cloth. Do not use solvents or chemicals. Do not allow  
liquids to spill on or objects to drop into the Acoustimass module or the speaker grilles. You  
may vacuum the grilles carefully; the drivers are directly behind the grille cloth. No other  
maintenance is needed.  
Warranty period  
Bose® Acoustimass 10 Series II speakers are covered by a limited 5-year transferable  
warranty. Details of the coverage are explained on the warranty card packed with your  
speakers. Please fill out the information section on your card. The serial number is located on  
the Acoustimass module; you may choose to record it on page 3 of this guide. Then, please  
detach and mail the card to Bose in the pre-addressed envelope.  
Bose will try to remedy any problem within the terms of your limited warranty.  
Accessories  
Floor stands: UFS-20B (black), UFS-20W (white)  
Wall brackets: UB-20B (black), UB-20W (white)  
Figure 12  
Add-on connector for use with  
speaker wire  
Add-on connector: PN189830 (see Figure 12)  
Adapts other speaker cable for use with Acoustimass 10 Series II speakers  
Extension cable (to extend length from Acoustimass module to receiver):  
PN187092-1 (black), PN187092-2 (white)  
20' (6 m) ribbon with five pairs of wire  
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Product Information  
Technical information  
Features  
Direct/Reflecting® speaker technology  
Virtually Invisible® speaker design  
Acoustimass® speaker technology combined with Adaptive Energy SummingTM speaker  
design  
Magnetically shielded cube speakers  
Automatic system protection circuitry  
Syncom® computer quality control  
Speaker driver complement  
Cube arrays: two 2.50-inch TwiddlerTM speakers  
Acoustimass module: three 5.25-inch woofers for left front, center, right front, and surround  
channels  
Connectivity  
Compatible with A/V receivers rated from 10 to 200 watts per front channel and 10 to 100  
watts per rear channel; rated from 4 to 8 ohms  
Finish  
Cube arrays: Black or Arctic white finish  
Acoustimass module: Scratch-resistant black or Arctic white textured finish  
Size/Weight  
Cube speaker arrays: 6.2"H x 3.1"W x 4.0"D (15.7 cm x 7.8 cm x 10.2 cm)  
2.4 lb (1.1 kg)  
Acoustimass module: 14"H x 23"W x 7.5"D (35.5 cm x 58.5 cm x 19.0 cm)  
28.7 lb (13.0 kg)  
Packed system: 50.5 lb (22.9 kg)  
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®
Bose Corporation  
USA  
Italia  
Bose Corporation, The Mountain  
Bose S.p.A., Via della Magliana 876  
Framingham, MA 01701-9168  
1-800-367-4008  
00148 Roma  
www.bose.iT  
Phone hours - ET (eastern time):  
Weekdays 8:30 a.m. to 8 p.m.  
Saturdays 9 a.m. to 3 p.m.  
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FAX 06-65680167  
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Phone hours - ET (eastern time):  
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TEL 061-9815544  
FAX 061-9815502  
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Sverige  
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D-61381 Friedrichsdorf  
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TEL 06172-71040  
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