Bose Speaker System 301 Series User Manual

®
®
®
Bose 301 Series IV Direct/Reflecting Speakers  
Owner’s Guide  
October 30, 2001  
AM181869_04_V.pdf  
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Contents  
Where to find...  
Setting Up  
Before you begin ........................................................................................................4  
Unpack the carton ......................................................................................................4  
Select the locations for your 301® speakers ..............................................................5  
Choose the cord .........................................................................................................6  
Prepare the cord.........................................................................................................6  
Make the connections ................................................................................................6  
Check the connections...............................................................................................7  
Test the speakers .......................................................................................................7  
Using and Maintaining Your 301® Series IV Speakers  
Enjoying sound in a variety of ways ...........................................................................8  
Cleaning the speakers ................................................................................................8  
Warranty period ..........................................................................................................8  
Troubleshooting..........................................................................................................9  
Customer service .......................................................................................................9  
Product Information  
Technical information ...............................................................................................10  
Optional accessories ................................................................................................10  
Bose® Corporation ................................................................................. inside back cover  
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Setting Up  
Before you begin  
CAUTION:  
Your 301® Series IV Direct/Reflecting® speakers re-create a natural balance of reflected and  
direct sound energy for an open, spacious performance. They are designed at Bose® to  
bring you high-quality listening pleasure.  
To avoid danger of suffocation,  
keep the plastic bags that  
wrap these speakers out  
of the reach of children.  
The Direct/Reflecting® tweeter inside each speaker creates a pattern of sound similar to  
what you experience at a live concert. In addition, the Stereo Targeting® tweeters help  
establish the natural balance of sound, for full enjoyment of stereo even when you move  
around the room. These distinct left and right speakers also feature tuned port enclosures  
that contribute to their deep, room-filling bass. An advanced crossover design adds to the  
realism and clear definition of both musical instruments and voices.  
Your 301 Series IV speakers are significantly different from conventional speakers, so be  
sure to read this owner’s guide. It will help you set up and use your speakers properly, for  
the greatest enjoyment.  
Unpack the carton  
Carefully unpack the carton and save all packing materials for possible future use. Check  
the carton contents (Figure 1).  
If either speaker appears damaged, do not use them. Instead, repack both speakers in the  
original carton and notify your authorized Bose dealer immediately.  
Note: Now is a good time to record the speaker serial numbers on page 2 of this guide  
and on your warranty card.  
Figure 1  
RIGHT speaker  
What comes in the carton:  
LEFT speaker  
• Left speaker  
• Right speaker  
• 8 self-adhesive rubber feet  
Rubber feet  
4
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Setting Up  
®
Select the locations for your 301 speakers  
CAUTION:  
301 speakers are designed  
specifically for placement on a  
stationary shelf, table, or stand.  
On smooth surfaces like  
Bose® 301 speakers are designed to fit horizontally on a table or shelf (Figure 2). Be sure to  
choose a stable and level surface for each speaker.  
Place the left and right speakers (marked on the back of each one) on the left and right  
sides of your room, as you face them. Exactly where you put them depends on the size and  
style of your room and where you think they sound best. Feel free to experiment to find a  
location that is both convenient and provides the sound you prefer.  
marble, glass or highly pol-  
ished wood, vibrations may  
cause the speakers to slide.  
So be sure to attach the self-  
adhesive rubber feet to the  
bottom surface of each  
speaker for added stability and  
protection. The feet go in the  
corners of the flat surface,  
inside the seam.  
Note: Because the grilles on the front of each speaker protect the drivers inside, we  
recommend that you do not remove the grilles.  
Here are some basic guidelines:  
Place the speakers 4 to 12 feet (1 to 4 m) apart.  
Choose a stable and level surface for each speaker, and attach the rubber feet.  
Leave at least 12 inches (30 cm) of space from the end of a speaker to the side wall.  
Leave at least 18 inches (45 cm) from the speakers to the floor or ceiling.  
Leave at least 24 inches (60 cm) from the speakers to any TV screens or monitors.  
Keep the back of the speakers within 18 inches (45 cm) of the wall behind them.  
Do not use these speakers in  
a moving vehicle.  
To mount the speakers on a  
wall, use only the Bose WB-3  
wall mounting bracket. Please  
follow the mounting instructions  
that come with these brackets.  
Improperly mounted speakers  
may fall, causing injury and  
damage.  
Do not place the speakers exactly halfway between the floor and ceiling or any other  
sound-reflecting hard surface.  
Do not put the speakers in a vertical position.  
Note: Bose speaker stands or wall brackets can extend your placement options. See  
“Optional accessories” on page 10.  
To contact Bose, please refer  
to the subsidiary offices  
listed on the inside back  
Figure 2  
cover of this owner’s guide.  
Placement guidelines  
18" (45 cm)  
or more  
CAUTION:  
LEFT  
speaker  
RIGHT  
speaker  
For the most realistic sound  
image, make sure the left  
speaker is placed on the left  
and the right speaker is on  
the right side of your room, as  
you face them.  
12" (30 cm)  
or more  
4-12'  
(1-4 m)  
18" (45 cm)  
or more  
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Setting Up  
CAUTION:  
Never use broken or frayed  
wiring, which can result in  
electrical shock or damage.  
Choose the cord  
It is important to use the proper gauge (thickness) of speaker cord. Standard zip cord  
(2-conductor, 18-gauge wire) works for most applications. You can find this wire at most  
electrical and hardware stores.  
You will need thicker wire if your speakers will be more than 30 feet (9 m) from a receiver (or  
amplifier). Refer to the wire recommendations under “Technical information” on page 10, or  
contact your authorized Bose® dealer for more information.  
Note: Before running speaker cord through a wall or under a floor, check your local  
building code requirements and safety regulations. You may want to contact an electrical  
installer for this information.  
Prepare the cord  
Speaker cord consists of two insulated wires. The insulation around one wire is marked  
(striped, collared, or ribbed). This marked wire is always positive (+). The plain wire is always  
negative (–). These wires correspond to the red (+) and black (–) terminals on the speakers  
and the receiver.  
At the ends of each cord, strip approximately 12 inch (12 mm) of insulation from both wires.  
Twist the bare end of each wire so loose strands will not touch across terminals. Be sure to  
connect each wire to the proper terminal (positive to positive and negative to negative).  
Note: It is sometimes difficult to distinguish wire markings. Inspect both wires carefully.  
CAUTION:  
Make the connections  
Before making any connec-  
tions, turn off your receiver  
and unplug it from the AC  
power (mains) outlet. Not  
doing so may result in dam-  
age to your system.  
Just press the terminal tab on the back of each speaker to insert the appropriate wire  
(Figure 3).  
1. Connect one speaker cord to your right speaker.  
a. Attach the marked wire at one end to the red (+) terminal.  
b. Attach the plain wire at that end to the black (–) terminal.  
2. Connect the other end of the same cord to the RIGHT SPEAKER OUTPUT of your  
receiver.  
a. Attach the marked wire to the red (+) terminal.  
b. Attach the plain wire to the black (–) terminal.  
3. Connect the second cord to the left speaker and LEFT SPEAKER OUTPUT. Follow the  
steps in 1 and 2 above.  
Figure 3  
How to make terminal connec-  
tions  
+
+
Red terminal tab  
Marked wire  
6
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Setting Up  
Check the connections  
Check to be sure all connections are made positive to positive (+ to +) and negative to  
negative (– to –) (Figure 4). Make sure that no loose strands of wire touch across terminals.  
Bridged wires can short circuit and damage the amplifier. Tighten any loose connections  
before you plug in the receiver and turn it on.  
Back of RIGHT speaker  
Back of LEFT speaker  
Figure 4  
Completed connections  
-
-
+
+
+  
+ –  
Back of receiver  
Test the speakers  
To make sure your speakers operate correctly:  
1. Place the speakers less than 6 inches (15 cm) apart, facing each other.  
2. Turn on your receiver. Set the receiver to MONO (monophonic), if that is an option on  
your receiver.  
3. Make sure that all special effects (such as surround sound) are turned off.  
4. Set the balance control to normal (center position).  
5. Play some deep bass passages of music through the speaker.  
The sound should seem to come from a point between the two speakers. The bass should  
be full and natural. If it is not, one of the connections may be reversed, causing the speakers  
to play out of phase (refer to Make the connections” on page 6).  
To correct the problem, make sure all the wires are connected positive to positive (+ to +)  
and negative to negative (– to –). Then repeat steps 1 through 5 above to re-test  
the speakers.  
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®
Using and Maintaining Your 301 Series IV Speakers  
Enjoying sound in a variety of ways  
Bose® 301® Series IV Direct/Reflecting® speakers are designed to work with a variety of  
stereo receivers and amplifiers. The open, spacious performance of these speakers  
also makes them an ideal choice for home theater, or for listening to CD’s, tapes, or radio  
broadcasts (Figure 5).  
Figure 5  
301® Series IV Direct/Reflecting®  
speaker sound path  
Cleaning the speakers  
Clean the surface of your speakers with a soft damp cloth. Do not use any sprays near the  
system or allow liquids to spill into any openings. Also, do not use any solvents, chemicals,  
or cleaning solutions containing alcohol, ammonia, or abrasives.  
The speaker grille panels require no special care. You may vacuum them carefully to remove  
dust.  
Warranty period  
Bose 301 Series IV Direct/Reflecting® speakers are covered by a limited 5-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 your card, detach, and mail to Bose.  
8
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®
Using and Maintaining Your 301 Series IV Speakers  
Troubleshooting  
Problem  
What to do  
• Make sure the receiver is plugged in and turned on.  
No sound  
• Check to be sure the AC power (mains) outlet is working.  
• Disconnect any headphones plugged into the headphone jack.  
• Make sure the receiver is not set to MUTE.  
• Refer to the owner’s guide that came with your receiver.  
• Check connections to both the speakers and the receiver.  
Refer to Make the connections” on page 6. Correct any connec-  
tion errors.  
No sound from  
one speaker  
• Disconnect the working speaker from the receiver.  
• Switch the cord of the “faulty” speaker from its original receiver  
jacks to the other set of jacks (the working speaker was originally  
attached to those jacks).  
– If the speaker now works, the problem is in your receiver.  
– If the speaker does not work, continue below.  
• Remove the cord from the working speaker and connect it to the  
“faulty” speaker and either set of receiver jacks.  
– If the speaker now works, the problem was in the original  
speaker cord.  
– If the speaker does not work, the problem is in the speaker.  
One speaker  
sounds distorted  
• Follow the same procedure for the problem of no sound from  
one speaker, as outlined above.  
Not enough  
bass or treble  
• Adjust the bass and treble controls on the receiver.  
• Check the connections to make sure they are correctly in phase  
(+ to + and – to –). Refer to Make the connections” on page 6.  
• Move the speakers closer to or farther from the side walls or other  
sound-reflecting hard surfaces.  
Customer service  
If the troubleshooting guidelines above do not solve your problem, contact your authorized  
Bose® dealer to arrange for service. To obtain information or service directly from Bose, refer  
to the listing at the end of this guide. Bose Corporation will make every effort to correct any  
problem within the terms of your warranty.  
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Product Information  
Technical information  
Features  
Direct/Reflecting® speaker design  
Stereo Targeting® tweeters  
Tuned port enclosure  
Syncom® computer quality control  
Driver complement  
One (1) 8-inch (20 cm) woofer  
One (1) 3-inch (7.6 cm) high-sensitivity tweeter  
One (1) 2-inch (5 cm) high-sensitivity tweeter  
Compatibility/Impedance  
Compatible with amplifiers and receivers rated from 10 to 150 watts per channel.  
Rated 8 ohms  
Wire recommendations  
Based on a maximum frequencies 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  
Enclosure  
Polymer and vinyl veneer over wood construction with black, rosewood, or gray finish  
Size/Weight  
Speaker: 1014"H x 1638"W x 912"D (26 x 42 x 24 cm)  
Each speaker, unpacked: 11.6 lb (5.2 kg)  
Speaker pair in shipping carton: 27.7 lb (12.5 kg)  
Optional accessories  
Figure 6  
Bose® AS-3 speaker stands and WB-3 wall mounting brackets  
are designed for use with 301® Series IV Direct/Reflecting®  
speakers. For information, or to order accessories, contact your  
authorized Bose dealer. To contact Bose directly, refer to the  
listing at the back of this owner’s guide.  
Bose® AS-3 speaker stand and  
WB-3 wall mounting brackets  
10  
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®
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USA  
Italia  
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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):  
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Phone hours - ET (eastern time):  
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The Mountain, Framingham, MA 01701-9168 USA  
181869 AM Rev.04 JN97807  
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