Bose 201 Series IV Manuale utente

201 _Series IV Direct/Reflecting* Speakers

Owner's Guide

October 30, 2001

AM 183562_ 04_ V.pdf

Thank you

Congratulations on your purchase of Bose+201+Series IV Direct/Reflecting +speakers.

Their integrated system of advanced Bose technologies delivers superior sound reproduc-

tion from a bookshelf design.

For your records

Serial numbers are located on the back of each 201 ®speaker.

Serial numbers:

Dealer name:

Dealer phone: Purchase date:

We suggest you keep your sales slip and warranty card together with this owner's guide.

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

201_Series IV 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

5 January 1996

Bose B.V., Nijverheidstraat 8

1135 GE Edam, The Netherlands Paul Olean, General Manager, Bose B.V.

Manufacturer's authorized

EU representative

2 October 30, 2001 AM183562_04_ V.pdf

Where to find...

Setting Up

Before you begin ........................................................................................................ 4

Unpack the carton ...................................................................................................... 4

Select the locations for your 201 ®speakers .............................................................. 5

Choose the cord ......................................................................................................... 6

Prepare the cord ......................................................................................................... 6

Make the connections ................................................................................................ 6

Check the connections ............................................................................................... 7

Test the speakers ....................................................................................................... 7

Maintaining Your 201®Series IV Speakers

Troubleshooting .......................................................................................................... 8

Cleaning the speakers ................................................................................................ 9

Warranty period .......................................................................................................... 9

Customer service ....................................................................................................... 9

Product Information

Technical information ............................................................................................... 10

Optional accessories ................................................................................................ 10

Bose®Corporation .................................................................................. inside back page

AM183562_04_ V.pdf October 30, 2001 3

Before you begin

Your Bose®201®Series IV Direct/Reflecting ®speakers are designed to create a listening

experience that is very similar to a live concert. There are two basic ways to place your

speakers in a room. Try both and let your personal taste determine which is best.

The first way takes advantage of Stereo Targeting ®technology, with the tweeters firing

inward to create an intimate or focused sound pattern (Figure 1, position 1). This may be the

best choice for use with a video system, or if your room lacks one or more reflecting walls.

The second way allows the tweeters to fire outward to disperse a wider, more spacious

sound (Figure 1, position 2).You may find this best for music recorded in live settings.

Your 201 Series IV speakers are significantly different from conventional ones, so be sure to

read this owner's guide. It will help you set up and use your speakers properly, for the

greatest enjoyment.

Figure 1

201®Series IV Direct/Reflecting ®

tweeter sound patterns. The

woofer sound pattern is not

shown.

Unpack the carton

Carefully unpack the carton and save all packing materials for possible future use. Check

the carton contents (Figure 2). Now is a good time to record the speaker serial numbers on

page 2 of this guide and on your warranty card.

Do not use your speakers if either appears damaged. Instead, repack both speakers in the

original carton and notify your authorized Bose dealer immediately.

Figure 2

Product contents

Right speaker

Le_ speaker

4 October 30, 2001 AM183562_04_ V.pdf

Select the locations for your 201" speakers

The following guidelines are intended to help you find the best sounding location for your

new speakers:

• Listen to both speaker sound patterns shown on page 4, Figure 1. Choose the one you

prefer.

1. First, aim the tweeters inward as shown in Figure 1, position 1. The tweeters are

directly behind the angle on the front of each speaker. Listen to music.

2. Next, aim the tweeters outward, as shown in Figure 1, position 2, by interchanging

the left and right speakers. Listen to the same passage of music.

• Place the speakers 4 to 12 feet (1.2 to 3.6 m) apart with the back of the speakers no

more than 18 inches (45 cm) from the rear wall.

• 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 and ceiling. Positions

closer to walls, floor, or ceiling will produce more bass.

• Avoid placing the speakers exactly halfway between the floor and ceiling.

Note: Bose_AS-3 speaker stands or WB-3 wall brackets can extendyour placement

options. See "Optional accessories" on page 10.

Caution: 201_speakers are specifically designed for placement on a stationary shelf,,

table, or stand. Do not place them in a vertical position. On smooth surfaces like marble,

glass, or highly polished 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.

Tomount 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 speak-

ers may fall, causing injury and damage. Tocontact Bose, please refer to the information

inside the back cover of this owner's guide.

Do not use these speakers in a moving vehicle.

Minimum

18" (45 cm)

Right

speaker

Left

Minimum,, /Ispeaseaker

12 it

t Minimum

18" (45 cm)

Figure 3

Placementguidelines

AM183562_04_ V.pdf October 30, 2001 5

Choose the cord

Caution: Never use broken or frayed wiring. It can result in electrical shock or damage.

It is important to use the proper gauge (thickness) of speaker wire. Standard zip cord

(2-conductor, 18-gauge wire) works best 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: This wire may not be suitable for use inside finished walls. Check your local building

code requirements or contact an electrical installer for information.

Prepare the cord

Speaker cord consists of two insulated wires. The insulation around one wire is marked

(striped, printed, 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 or amplifier.

At the ends of each cord, strip approximately 1/2inch (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

Make the connections

Caution: Before making any connections, turn off your receiver or amplifier and unplug it

from the AC power (mains) outlet. Not doing so may result in damage toyour system.

Just press the terminal tab on the back of each speaker to insert the appropriate wire

(Figure 4).

1. Connect one speaker cord to your right speaker.

a. Attach the marked wire to the red (+) terminal.

b. Attach the plain wire 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 as described above.

Black terminal tab

Red terminal tab --

Marked wire

Figure 4

Terminal connections

6 October 30, 2001 AM183562_04_ V.pdf

Check the connections

Check that all connections are made positive to positive (+ to +) and negative to negative

(- to -) (Figure 5). Make sure that no loose strands of wire touch across terminals. This

could damage your receiver or amplifier. Be sure the connections are secure before you

plug in the receiver or amplifier and turn it on.

Back of right speaker -,I, Back of left speaker

Figure 5

Completedconnections

Receiveror Amplifier

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, and set it to MONO (monophonic), if that is an option on your

model.

3. Set the balance control to normal (center position).

4. Play some deep bass passages of music through the speakers.

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 speak-

ers 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 4 to re-test the speakers.

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AM183562_04_ V.pdf October 30, 2001 7

Troubleshooting

Problem What to do

No sound

No sound from

one speaker

•Make sure the receiver or amplifier is plugged in and turned on.

• Check to be sure the AC power (mains) outlet is working.

• Disconnect any headphones plugged into the headphone jack.

• Make sure the receiver or amplifier is not set to MUTE.

• Refer to the owner's guide that came with your receiver or

amplifier.

• Check all connections at both the speaker and the receiver or

amplifier end. Refer to "Make the connections" on page 6.

Correct any errors.

Not enough

bass or treble

•Disconnect the working speaker from the receiver or amplifier

• Switch the cord of the "faulty" speaker from its original receiver

or amplifier 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 or

amplifier Reconnect your speakers to a working unit

If there is still no sound from the speaker, continue below

• Remove the cord from the working speaker and connect it to the

"faulty" speaker and either channel of the receiver or amplifier

jacks

If the speaker now works, the problem was in the original

speaker cord

If there is still no sound, the problem is in the speaker

One speaker • Follow the same procedure for the problem of no sound from

sounds distorted one speaker, as outlined above.

Adjust the bass and treble volume controls on the receiver.

Check the connections to make sure they are correctly in phase

(positive to positive and negative to negative). Refer to "Make the

connections" on page 6.

Experiment with different room placements. Positions closer to

walls, floor, or ceiling will produce more bass.

8 October 30, 2001 AM183562_04_ Vpdf

Cleaning the speakers

Clean the surface of your speakers with a soft, damp cloth. A mild soap may be used, but

do not use any solvents, chemicals, or cleaning solutions containing alcohol, ammonia, or

abrasives. Do not use any sprays near the system or allow liquids to spill into any openings.

The speaker grille panel is easily removed by pulling it gently away from the speaker. The

grille may be gently vacuumed to remove dust. Do not affix any objects to the grille.

Warranty period

Bose®201®Series IV Direct/Reflecting ®speakers are covered by a limited 5-year transfer-

able warranty. Details of the coverage are provided on the warranty card that came with

your speakers. Please fill out the information section of the card, detach, and mail to Bose.

Customer service

If you have a problem not solved by the troubleshooting guidelines, contact your authorized

Bose dealer to arrange for service. To obtain information or service directly from Bose, refer

to the listings inside the back cover of this guide. Bose Corporation will make every effort to

correct any problem within the terms of your warranty.

AM183562_04_ V.pdf October 30, 2001 9

Technical information

Features

Direct/Reflecting ®speaker design

Dual Frequency TM crossover network

Stereo Targeting ®technology

Syncom _computer quality control

Driver complement (per enclosure)

One (1) 61/2'' (16 cm) woofer

One (1) 2" (5 cm) high-sensitivity tweeter

Compatibility/Impedance

Compatible with amplifiers and receivers rated from 10 to 120 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) 45 ft (14 m) maximum

14 (2.0 mm_) 70 ft (21 m) maximum

Enclosure

Polymer and vinyl veneer over wood construction in black, rosewood, or gray finish

SizelWeight

Each speaker, unpacked: 91&"Hx 151/8"W X63/4"D(24 x 39 x 18 cm)

Each speaker: 9 Ib (4.1 kg)

Speaker pair in shipping carton: 22.8 Ib (10.4 kg)

Optional accessories

Bose_AS-3 speaker stands and WB-3 wall mount-

ing brackets are designed for use with 201_ Series

IV Direct/Reflecting ®speakers. For information, or to

order accessories, contact your authorized Bose

dealer. Or,to contact Bose directly, refer to the

listings inside the back cover of this guide.

Figure 6

Bose®AS-3 speakerstand and

WB-3 wall mounting brackets

10 October 30, 2001 AM183562_04_ V.pdf

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