Boston Acoustics CR6 Bedienungsanleitung

COMPACT REFERENCE SERIES

BOSTON ACOUSTICS

THE COMPACT REFERENCE SERIES

The Compact Reference Series incorporates the highest quality materials, the latest acoustic technology, and new

state-of-the-art molding techniques, and are capable of unusually high performance. These speakers are fully

compatible with home theater systems. Each model features MagnaGuard®magnetic shielding. This ensures the

speaker

‘

s magnetic ﬁeld will not distort the TV

‘

s image or damage the picture tube, allowing placement next to a

television or computer monitor.

HOW TO CONNECT YOUR SPEAKERS

Correctly wiring your speakers is important for achieving the best sound quality and a rich stereo image. Wiring

should take just a few minutes, but it

‘

s important to do it carefully, since incorrect wiring (such as reversed

connections) can result in a poor stereo soundstage or poor bass.

We recommend 18 gauge wire or thicker for runs up to 25 feet (8 meters) and 16 gauge wire or thicker for longer

runs. Separate the ﬁrst few inches of the wire conductors. Strip off 1/2-inch (12mm) of insulation from the ends of each

speaker wire to expose the two conductors and tightly twist the wire strands.

Using the ﬁve-way

binding posts: The

binding posts permit

easy connection to

banana plugs, spade

lugs, and bare wire.

The metal surfaces are

plated with 24k gold

to prevent corrosion.

CHECKING THE CONNECTIONS

It is critical that your speakers are hooked up with similar polarity or “in phase.”A simple listening test will tell you if

the speakers are connected properly. Place the speakers face-to-face, as close as possible. While listening to music

with your ampliﬁer set to MONO, reverse the connections at one speaker only. You’ll hear a dramatic change in

sound. The connection that yields the fuller bass and louder sound is the correct one.

Warning: To prevent electrical shock hazard, always switch off the ampliﬁer or receiver when making connections to

the speaker.

HOOKUP

When making all connections, be sure to connect + to +

(red) and –to –(black). Connect the speaker terminals to

the ampliﬁer speaker outputs.

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.

BostonBoston

Back of ampliﬁer or receiver

Insert the wire into the hole and tighten.

WALL MOUNTING YOUR

SPEAKERS

You may wall-mount the CR6 and CR7 with either the keyhole built into the back

panel or the optional CRB bracket.

Using the keyhole–Consult a knowledgeable installer regarding the proper

hardware to use on your wall surface. Make certain there is at least a 1/2- inch

(12mm) gap between the top rear of the speaker cabinet and the wall behind it.

This will ensure the speaker is the proper distance from the wall to maintain

unrestricted air ﬂow from the woofer port.

Using the optional CRB bracket–Wall mounting brackets (model ”CRB”)

are available for the CR6 and CR7. The brackets provide greater mounting

ﬂexibility than the keyhole and will position the speaker the proper distance from

the wall. For more information, contact your dealer or Boston Acoustics directly.

ROOM PLACEMENT FOR BEST RESULTS

Room placement is one of the most important factors in determining sound quality. Taking a few minutes to try different

placements ensures that your speakers will sound best in your listening environment.

For a realistic soundstage, place the speakers 6 to 12 feet (2-4m) apart so they form a triangle with your favorite

listening position, and are near ear level when you are in a seated position. The speakers should be at least 2 feet (.6m)

from the corners of the room. Putting the speakers too close to a corner can produce an unnatural bass reinforcement that

detracts from their balanced, uncolored sound. If a speaker must be placed near a corner, move it away from the wall

behind it to preserve its natural tonal balance.

The CR Series will work well on bookshelves or stands. For best results, avoid placing the speaker’s back ﬂush against

a wall, since this will restrict the air ﬂow from the port and reduce the bass response. Clearance of 1/2-inch (12mm) or more

is sufficient to maintain proper bass response.

Four self-adhesive rubber feet are provided to protect the mounting surface ﬁnish and prevent vibration.

LISTENING LEVELS AND POWER HANDLING

The power recommendation for the Compact Reference Series assumes you will operate the ampliﬁer in a way that will not

produce distortion. Even these rugged systems can be damaged by an ampliﬁer if it is producing distortion.

If you hear a harsh, gritty noise, turn the volume down. Prolonged or repeated operation of your speaker with a

distorted signal from the ampliﬁer can cause damage that is not covered by the warranty.

SPECIFICATIONS

CR6 CR7 CR8 CR9

Frequency Response (±3 dB) 65-20,000 Hz 52-20,000 Hz 48-20,000 Hz 42-20,000 Hz

Recommended Ampliﬁer Power 15-100 watts 15-100 watts 15-125 watts 15-150 watts

Nominal Impedance 8 ohms 8 ohms 8 ohms 8 ohms

Sensitivity [1 watt (2.83V) at 1m] 88 dB 88 dB 90 dB 91 dB

Bass Unit 51/4" (135mm) 61/2" (165mm) 7" (180mm) 8" (200mm)

Tweeter 3/4" (19mm) dome 3/4" (19mm) dome 1" (25mm) soft dome 1" (25mm) soft dome

Crossover Frequency 3500 Hz 2800 Hz 3300 Hz 3300 Hz

Dimensions 101/8x 57

/8x 77

/8"12

1/4x 71/2x 91/8" 5 x 81/2x 101/2"9

1/2x 93/4x 113/8"

(257 x 149 x 200mm) (311 x 191 x 232mm) (381 x 216 x 267mm) (495 x 248 x 289mm)

Weight 71/2lbs (3.4kg) 11 lbs (5kg) 16 lbs (7.3kg) 21 lbs (9.5kg)

CR6 CR7 CR8 CR9

Self-adhesive rubber feet prevent

marring of the walls surface

approximately 1/2-inch (12mm)

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 speaker, without

charge for parts and labor.

Your responsibilities are to use the

product 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, 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 speakers. If that is

not possible, call us at 978-538-5000, or write to:

Boston Acoustics, Inc., 300 Jubilee Drive, Peabody, MA 01960.

Send us:

1. Your name, address, and daytime telephone number.

2. The speaker system’s serial number.

3. Details on when and where you purchased the speaker(s) and a copy of

your sales slip.

4. Makes/models of your signal sources and ampliﬁer.

5. Description of the problem.

6. Whether you have the original cartons and ﬁllers or need new ones.

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.

42-531-0

300 Jubilee Drive

Peabody, MA 01960

978.538.5000

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