Bose Stereo Amplifier 3 Series User Manual

®
®
The Bose Acoustimass 3 Series IV Speaker System  
Owner’s Guide  
October 22, 2001  
AM252171_02_V.pdf  
 
Important Safety Instructions  
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.  
1. Read these instructions for all components  
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  
11. Only use attachments/accessories speci-  
fied by the manufacturer.  
receiver.  
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 users authority to operate  
this equipment.  
This product complies with the Canadian ICES-003 Class  
B specifications.  
13. Unplug this apparatus during lightning  
storms or when unused for long periods of  
time to prevent damage to this product.  
 
October 22, 2001  
AM252171_02_V.pdf  
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  
 
October 22, 2001  
b
AM252171_02_V.pdf  
Contents  
Where to find …  
Setting Up Your Acoustimass® 3 Speaker System ...................................................................4  
Before you begin .................................................................................................................4  
Unpacking the system ........................................................................................................4  
Selecting locations for the cube speakers..........................................................................4  
Selecting a location for the Acoustimass module ............................................................. 5  
Using the cables correctly ..................................................................................................5  
Connecting the cube speakers to the Acoustimass module ............................................. 6  
Connecting the Acoustimass module to your receiver or amplifier ....................................6  
Checking your connections ................................................................................................7  
Operating Your Acoustimass Speaker System.........................................................................8  
Checking the system ......................................................................................................... 8  
Understanding automatic system protection......................................................................8  
Maintaining Your Acoustimass Speaker System ......................................................................9  
Cleaning your speakers ......................................................................................................9  
Troubleshooting ..................................................................................................................9  
Technical information ........................................................................................................10  
Warranty period ................................................................................................................10  
Customer service ..............................................................................................................10  
Bose® Corporation......................................................................................... Inside back cover  
For your records  
Serial numbers are located on the connection panel of 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.  
AM252171_02_V.pdf  
October 22, 2001  
 
3
®
Setting Up Your Acoustimass 3 Speaker System  
Before you begin  
Thank you for purchasing the Bose® Acoustimass® 3 speaker system. Its quality construction  
and advanced technologies result from years of ongoing research at Bose.  
Bose patented Acoustimass speaker technology delivers full, natural audio performance and,  
for all of the sound it produces, this Virtually Invisible® system takes up very little space. The  
tiny cube speakers fit almost anywhere, while the Acoustimass module is designed to be  
hidden behind drapes, under furniture, or in the corner of the room.  
Unpacking the system  
Unpack the system carefully. Avoid setting the module down on its connection panel, which  
could scratch a surface. (Save the carton and packing materials in case you ever want to ship  
the system.) If any parts appear damaged, do not attempt to use the system. Repack all parts  
in the original carton and notify your authorized Bose dealer immediately.  
Figure 1  
What the carton contains  
Acoustimass module  
Two cube speakers  
Four (4) adhesive-backed  
rubber feet  
Four (4) speaker cables, 20 feet long  
Selecting locations for the cube speakers  
You can place the cube speakers anywhere from 3 to 15 feet (0.9 - 4.6 m) apart. For the most  
natural sound in average sized rooms, place them 6 to 12 feet (1.8 - 3.7 m) apart. Magnetic  
shielding allows you to place them close to a video screen without causing interference.  
Bose mounting accessories, including wall/ceiling mounting brackets, floor stands, and table  
stands, add to your choice of where to place the cube speakers. For more information or to  
order accessories, contact your Bose dealer or call Bose Customer Service directly. Refer to  
the list of phone numbers inside the back cover.  
4
October 22, 2001  
 
AM252171_02_V.pdf  
®
Setting Up Your Acoustimass 3 Speaker System  
®
Selecting a location for the Acoustimass module  
The Acoustimass module can be hidden almost anywhere in a room. Leave at least 2 inches  
(5 cm) of space between the opening (port) and the wall. To prevent interference, keep the  
module at least 2 feet (0.6 m) from any video screen.  
For a balanced sound in most rooms, place the module along a wall within 5 feet (1.5 m) of the  
corner. To increase bass response, move the module closer to a corner without blocking the  
opening. To decrease the bass, place the module farther from the corner.  
Note: When you decide how you will position the module, attach the rubber feet to the  
bottom surface to protect the module and the floor.  
Figure 2  
Choices on how to position the  
module  
+
SRS  
L
P
UT  
E
T
K
OUE SPEA  
B
CU  
TO  
+
R
+
L
TS IVER  
PU RECE  
IN  
P
O
R
AM  
OM  
FR  
R
+
Using the cables correctly  
Use the supplied cables to connect the cube speakers to the module and the module to your  
amplifier or receiver.  
CAUTION: Be sure all components are turned off and unplugged from the power outlet  
before making the connections.  
To place these components more than 20 feet (6.2 - 9.2 m) apart, you will need to splice in a  
length of 18-gauge speaker cable. To place them more than 30 feet (9.2 m) apart, you will  
need heavier gauge wire. (See the wire recommendations on page 10.) You can get additional  
speaker cable at electrical and hardware stores or by calling Bose Customer Service. (See  
the list of phone numbers inside the back cover.)  
Speaker cables consist of two insulated wires. The insulation around one wire is marked with  
a band or stripe. This marked wire is always positive (+). The plain wire is always negative ().  
These correspond to the red (+) and black () terminals on the back of the speaker, amplifier,  
or receiver. Be sure to connect each wire to the proper terminal (positive to positive, negative  
to negative).  
AM252171_02_V.pdf  
October 22, 2001  
 
5
®
Setting Up Your Acoustimass 3 Speaker System  
®
Connecting the cube speakers to the Acoustimass module  
Use the following steps to connect the cube speakers to the rear panel of the Acoustimass  
module:  
1. Select one pair of wires, and locate the terminal tab on the rear of the left cube speaker.  
2. Press the terminal tab on the back of the speaker and insert the marked wire into the red  
(+) terminal and the plain wire into the black () terminal (Figure 3).  
3. Release the terminal tab to secure both wires.  
4. Repeat this process with the other pair of wires and the right cube speaker.  
CAUTION: Do not connect your amplifier or receiver directly to the cube speakers. Cube  
speakers must be connected directly to the Acoustimass module or damage will result.  
5. Locate the terminals marked OUTPUTS TO CUBE SPEAKERS on the rear panel of the  
Acoustimass module (Figure 4).  
6. Connect the free end of the left cube speaker cable to the left (L) pair of terminals. Make  
sure that the marked wire is connected to the positive (+) terminal and the plain wire is  
connected to the negative () terminal.  
7. Repeat step 6 for the right cube speaker cable, connecting its wires to the right (R) pair of  
terminals.  
Figure 3  
Connecting the speaker cable  
to the cube speaker  
Connecting the Acoustimass module to your receiver or amplifier  
Use the following steps to connect your Acoustimass module to your receiver or amplifier:  
CAUTION: Correct wiring is important. Incorrect wiring will result in little or no bass output  
and could potentially damage the system.  
1. Locate the terminals marked INPUTS FROM AMP OR RECEIVER on the rear panel of the  
Acoustimass module (Figure 4).  
2. Connect either end of one of the remaining speaker cables to the left (L) pair of input  
terminals. Make sure that the marked wire is connected to the positive (+) terminal and the  
plain wire is connected to the negative () terminal.  
3. Connect either end of the final speaker cable to the right (R) pair of input terminals. Make  
sure that the marked wire is connected to the positive (+) terminal and the plain wire is  
connected to the negative () terminal.  
6
October 22, 2001  
 
AM252171_02_V.pdf  
®
Setting Up Your Acoustimass 3 Speaker System  
4. Connect the free end of the left (L) INPUTS cable to the LEFT speaker terminals of your  
amplifier or receiver. Connect the marked wire to the positive (+) terminal and the plain  
wire to the negative () terminal.  
5. Connect the free end of the right (R) INPUTS cable to the RIGHT speaker terminals of your  
amplifier or receiver. Connect the marked wire to the positive (+) terminal and the plain  
wire to the negative () terminal.  
CAUTION: Before you plug in your receiver or amplifier, make sure that no strands of wire  
from any terminal are brushing against any other terminal. Such bridgedwires create short  
circuits which can damage your receiver or amplifier.  
Figure 4  
Completed connections  
OUTPUTS  
R
+
TO CUE SPEAKERS  
L
+
INPUTS  
R
+
FROM AMP OR RECEIVER  
L
+
Checking your connections  
To avoid damaging your speakers, check all connections and correct any problems before  
plugging in and turning on the amplifier or receiver. Make sure the cube speakers are con-  
nected to the module and not directly to the amplifier or receiver.  
AM252171_02_V.pdf  
October 22, 2001  
7
 
®
Operating Your Acoustimass Speaker System  
Checking the system  
Make sure your system is working properly by following these steps:  
1. Turn on your amplifier or receiver.  
2. Turn the balance control on your amplifier all the way to the left. You should hear music  
from the left cube speaker only, although you may detect a faint sound from the other  
cube speaker. You should also hear the module.  
3. Turn the balance control all the way to the right. Now you should hear music from the right  
cube speaker only, although you may also hear a faint sound from the left cube speaker.  
You should also hear the module.  
4. Now play music that includes some deep bass passages. Listen with the balance control  
in the center position. Compare that sound to what you hear with the balance control in  
the far left position. Then compare the sound in the center balance position with sound  
when the control is in the right position. The bass should be the same or louder with the  
control in the center. Be sure to return the balance control to the center position when you  
are finished.  
If your system does not respond as described, check all the wires for proper positive to  
positive and negative to negative connections. If your system still doesnt respond properly,  
see Troubleshootingon page 9.  
Understanding automatic system protection  
When played at high volume, the Acoustimass® 3 systems automatic protection circuit  
activates to prevent damage to the system from electrical stress or overload. When this  
happens, you may notice a slight decrease in volume, which is normal. It indicates that the  
power input may have exceeded safe levels. Setting the volume at or above this level for  
sustained periods is not recommended.  
8
October 22, 2001  
 
AM252171_02_V.pdf  
®
Maintaining Your Acoustimass Speaker System  
Cleaning your speakers  
Clean the cabinets of your Acoustimass® 3 system using a damp cloth. If necessary, use a  
mild detergent such as dish soap. Do not use any solvents, chemicals, or cleaning solutions  
containing alcohol, ammonia, or abrasives. Do not allow liquids to spill through the speaker  
grilles or enter the Acoustimass module.  
You can vacuum the speaker grilles. To avoid damaging the drivers located directly behind  
the grille cloth, use light pressure only.  
Troubleshooting  
If you have a problem with your Acoustimass 3 speaker system, turn off the amplifier or  
receiver and check all the connections between the cube speakers, the module, and amplifier  
or receiver. Since problems are likely to originate with components other than speakers, you  
may want to refer to your amplifier or receiver owners guide.  
Problem  
What to do  
The left cube speaker does  
not play or sounds distorted.  
Disconnect both speaker cables from the amplifier or receiver. Reconnect the cable from  
the bass modules L INPUTS to the amplifier or receivers RIGHT speaker terminals.  
Set the amplifier or receivers balance control all the way to the right and turn on the power.  
If the left cube speaker now plays properly, your amplifier or receivers left speaker channel  
is probably defective.  
CAUTION: DO NOT connect the other cube speaker to the channel in question. If the  
channel is defective, it could damage your Acoustimass 3 system.  
The right cube speaker does Follow the above steps, reconnecting the cable from the modules R INPUTS to the  
not play or sounds distorted.  
amplifier or receivers LEFT speaker terminals.  
The entire Acoustimass 3  
system does not play or  
sounds distorted.  
Disconnect the amplifier or receiver from the bass module. Reconnect the module to  
another amplifier or receiver that is working properly.  
If the system now works, the problem is in your amplifier or receiver. Refer to your receiver  
or amplifier owners guide for further suggestions.  
If trouble persists in your Acoustimass 3 speaker system, contact your authorized Bose®  
dealer who will verify any defects and arrange for service by an authorized agency or by the  
Bose factory. Bose will make every effort to remedy any problem within the terms of the  
warranty at minimum inconvenience to you.  
AM252171_02_V.pdf  
October 22, 2001  
 
9
®
Maintaining Your Acoustimass 3 Speaker System  
Technical information  
Features  
Virtually Invisible® speaker design  
Acoustimass® speaker technology  
Identical magnetically shielded cube speakers  
Syncom® computer quality control  
Automatic system protection circuitry  
Driver Complement  
Acoustimass module: One 5.25" (13.3 cm) dual voice coil low-frequency driver  
Cube speakers: One 2.5" (6.4 cm) magnetically shielded wide-range driver per cube  
Compatibility  
Compatible with receivers or amplifiers rated from 4 8 ohms  
Compatible with receivers or amplifiers rated from 10 100 watts per channel  
IEC rating: 50 watts per channel  
Finish  
Acoustimass module: Scratch-resistant black or white satin finish  
Cube speakers: Black or white polymer finish, cloth grilles  
Wire Recommendations  
Based on maximum frequency response deviation of ±0.5 dB.  
Gauge  
Length  
18 (0.75 mm2) 30 ft (9 m) maximum  
16 (1.5 mm2)  
14 (2.0 mm2)  
45 ft (14 m) maximum  
70 ft (21 m) maximum  
Size/Weight  
Acoustimass module: 7.5"W x 14"H x 12.6"D (18.4 x 35.6 x 32.0 cm)  
Cube speaker: 3.1"H x 3.1"W x 3.2"D (7.9 x 7.9 x 8.1 cm)  
Total shipping weight: 16.5 lb (7.1 kg) in shipping carton  
Warranty period  
The Bose® Acoustimass 3 speaker system is covered by a limited five-year transferable  
warranty. Details of the coverage are provided on the warranty card that came with your  
speakers. Please fill out the information section on that card, detach, and mail it to Bose.  
Customer service  
For help in ordering accessories or solving problems, contact Bose Customer Service. See  
the inside of the back cover for offices and phone numbers.  
10  
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11  
 
October 22, 2001  
12  
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October 22, 2001  
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13  
USA  
Italia  
Bose S.p.A., Via della Magliana 876  
Bose Corporation, The Mountain  
00148 Roma  
www.bose.iT  
Framingham, MA 01701-9168  
1-800-367-4008  
TEL 06-65670802  
FAX 06-65680167  
Phone hours - ET (eastern time):  
Weekdays 8:30 a.m. to 8 p.m.  
Saturdays 9 a.m. to 3 p.m.  
Japan  
Bose K.K., Shibuya YT Building  
28-3 Maruyama-cho  
Canada  
Shibuya-ku, Tokyo 150  
TEL 3-5489-0955  
Bose Ltd., 1-35 East Beaver Creek Road  
Richmond Hill, Ontario L4B 1B3  
1-800-465-2673  
FAX 3-5489-0592  
Phone hours - ET (eastern time):  
Weekdays 9 a.m. to 5 p.m.  
Nederland  
Bose B.V., Nijverheidstraat 8  
1135 GE Edam  
European Office  
TEL 0299-390111  
FAX 0299-390109  
Bose Products B.V., Nijverheidstraat 8  
1135 GE Edam, Nederland  
Norge  
TEL 0299-390111  
FAX 0299-390114  
Bose A/S, Solheimsgate 11  
N-2001, Lillestrøm  
TEL 63-817380  
Australia  
FAX 63-810819  
Bose Pty Limited, 1 Sorrell Street  
Parramatta NSW, 2150  
Österreich  
TEL 02 9204-6111  
FAX 02 9204-6122  
Bose Ges.m.b.H., Vienna Business Park  
Wienerbergstrasse 7 (10.OG)  
A-1100 Vienna  
Belgique/België  
TEL 01-60404340  
FAX 01-604043423  
Bose N.V., Limesweg 2, B-3700 Tongeren  
TEL 012-390800  
FAX 012-390840  
Schweiz  
Danmark  
Bose AG, Rünenbergerstrasse 13  
Bose A/S, Industrivej 7, 2605 Brøndby  
4460-Gelterkinden  
TEL 4343-7777  
FAX 4343-7818  
TEL 061-9815544  
FAX 061-9815502  
Deutschland  
Sverige  
Bose GmbH, Max-Planck-Straße 36d  
Bose A/S, Johannefredsgatan 4  
D-61381 Friedrichsdorf  
S-43153 Mölndal  
TEL 06172-71040  
FAX 06172-710419  
TEL 31-878850  
FAX 31-274891  
France  
United Kingdom  
Bose S.A., 6, rue Saint Vincent  
78100 Saint Germain en Laye  
Bose Limited  
1 Ambley Green  
TEL 01-30616363  
FAX 01-30614105  
Gillingham Business Park  
Gillingham, Kent ME8 ONJ  
TEL 0870-741-4500 FAX 0870-741-4545  
India  
Bose Corporation India Private Limited  
W-16, Greater Kailash-II  
From other locations  
New Delhi 110 048  
TEL (011) 648 4462 FAX (011) 648 4463  
Bose Customer Service, 1 New York Ave.  
Framingham, MA 01701-9168 USA  
TEL (508) 766-1900 FAX (508) 766-1919  
Ireland  
World Wide Web  
Bose Corporation  
Carrickmacross, Co Monaghan  
TEL (042) 9661988  
FAX (042) 9661998  
 
© 2000 Bose Corporation  
The Mountain, Framingham, MA 01701-9168 USA  
252171 AM Rev.02 JN00245  
 

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