Bedienungsanleitung Harman Kardon AVR645 (Seite 22 von 68) (Englisch)

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22 INSTALLATION AND CONNECTIONS

Installation and Connections

Note: The 6.1-channel configuration is not rec-

ommended for the AVR. We strongly recommend

a 7.1-channel installation as described below.

When 6.1-channel materials are played through

a 7.1-channel system, the same surround back

channel information is played through both the

left and right surround back speakers.

If you are only able to install a single surround

back speaker at this time, you will not be able to

run the full EzSet/EQ 7.1-channel calibration pro-

cedure. In that case, we suggest you install all of

your speakers except the surround back speaker,

and run the EzSet/EQ procedure for a 5.1-chan-

nel system (see page 31). After EzSet/EQ has fin-

ished, connect the single surround back speaker

to the

left

Surround Back Speaker Outputs

. Then follow the instructions starting on page

33 to manually configure your surround back

speaker.

We recommend that you consider adding a sec-

ond surround back speaker as soon as possible.

Rear surround speakers are required when a full

7.1-channel system is installed, and they may

also be used in 5.1 channel mode as an alterna-

tive mounting position when it is not practical to

place the main surround speakers at the sides of

the room. Speakers may be placed on a rear wall,

behind the listening position. As with the side

speakers, the center of the rear surrounds should

face you. The speakers should be no more than 2

meters behind the rear of the seating area.

The additional Surround Back Left/Right speakers

are placed at about 150 degrees on the circle,

pointing inward, toward the listening area. The

easiest way to visualize the placement of these

speakers is to place the surround back left speak-

er directly opposite the right front speaker and to

place the surround back right speaker directly

opposite the left front speaker.

Subwoofers produce largely nondirectional

sound, so they may be placed almost anywhere

in a room. Actual placement should be based on

room size and shape and the type of subwoofer

used. One method of finding the optimal location

for a subwoofer is to begin by placing it in the

front of the room, about 15cm from a wall, or

near the front corner of the room. Another

method is to temporarily place the subwoofer in

the spot where you will normally sit, and then

walk around the room until you find a spot

where the subwoofer sounds best. Place the sub-

woofer in that spot. You should also follow the

instructions of the subwoofer’s manufacturer, or

you may wish to experiment with the best loca-

tion for a subwoofer in your listening room.

For more information on subwoofer placement,

as well as a variety of topics relating to audio

and home theater, visit the Technology section of

our Web site at www.harmankardon.com. Links

are provided there to informative white papers

written by the acoustic and electronics experts at

Harman Kardon and at our parent company,

Harman International Industries, Inc.

Notes on speaker placement:

1. The limitations of your listening room,

including the placement of walls and furniture,

may make it difficult to follow the speaker place-

ment suggestions shown above. Depending on

the specific layout of the room, here are some

ways to compensate for unusual conditions:

• Try to follow the suggested placement, but

move the speakers within a meter from the

preferred locations.

• Regardless of where they are placed, always try

to make certain that the main surround

speakers are the same distance from the front

speakers. (For example, try not to have the

right surround speaker further back into the

room than the left surround speaker.)

• If it is not possible to wall-mount or place

speakers on a shelf, consider the use of option-

al floor stands, available for many speakers.

2. When using ceiling-mounted in-wall speakers,

follow the same guidelines shown for conven-

tional floorstanding or shelf-mounted speakers.

3. When you have reassigned the surround back

channels for use in a multiroom system, follow

the speaker placement instructions for a

5.1-channel system for your main listening area

(see page 20).

A) Front Channel Speaker Installation with

Direct-View TV Sets or Rear-Screen Projectors

At least 15 cm from celling

At least 60 cm

5.1-Channel System

6.1-Channel System

7.1-Channel System

29851_AVR645_ENG 30/10/06 9:46 Side 22

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Harman Kardon AVR645 Seite 22

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