Bedienungsanleitung Klipsch P-37F (Seite 4 von 11) (Englisch)

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Positioning Loudspeakers - Home TheaterPositioning Loudspeakers - Stereo

Never allow objects of furniture to impede the loudspeaker or place objects between the loudspeakers and

the listening position.

Stereo Positioning

(P-38F / P-37F / P-17B)

The generally accepted norm is that

the loudspeakers should be as far

away from each other as they are

from the listener. This places the

listener and the loudspeakers at the

points of an equilateral triangle.

Well-designed horn loudspeakers

have “controlled directivity” - the dis-

persion pattern is tailored to provide

the ideal image at the listener’s ear.

This is in contrast to conventional

speakers, where the sound tends to

re o in all directions.

It follows that, when correctly sited, the performance of a well designed horn loudspeaker signicantly exceeds

that of conventional “direct radiator” loudspeakers.

Because the bass drivers are in a tuned port enclosure, the loudspeakers

must be operated away from walls and, specically, corners. The distances

in the above diagram should be considered as minimum distances. Placing

them too close to the walls will cause the bass to become bloated, muddy and

indistinct.

The angle at which the loudspeakers are placed relative to the rear wall is

called “toe-in”. Placing the loudspeakers with their backs parallel to the wall

will result in a poor stereo image with the so called ”hole in the wall” eect.

Angling the speakers inwardly too much will restrict the width of the listening

seat and also tend to narrow the stereo image.

In smaller rooms, it is better to place the loudspeakers more closely together

and set them relatively further back. This is preferable to placing the loud-

speakers further apart and sitting too close - the stereo eect will be signicantly degraded if you do.

The height of the loudspeaker is important. The midrange should appear to radiate from a point level with

the ears of a seated listener. As these loudspeakers are large, they will sound their best in large rooms, though

there are some adjustments that can be made to redress the position in smaller rooms. These will be discussed

in the section on nal positioning.

The above are our recommendations. Be prepared to experiment until the sound is exactly as you want!

6’ - 16’

LFE 2 LFE 1

CENTER

The same general positioning rules as for stereo apply but these are some variations.

• The loudspeakers can be placed closer together. Remember that the closer the speakers are to one another,

the less spacious the sound will be in stereo.

• The “toe-in” can be lessened. This will broaden the sound image for more than one listener, but the pinpoint

localization of the speakers will be lessened.

• The fronts of the speakers should be in line with the screen and with the front of the center loudspeaker as

far as possible. Placing the TV screen on the wall (and center channel directly above or below) with the main

loudspeakers protruding signicantly is not ideal.

• The TV should be placed centrally between the loudspeakers.

The above are our recommendations. Be prepared to experiment until the sound is exactly as you want!

General Observations

• When conguring the bass management parameters of your surround processor, the P-38F, P-37F and P-17B

models can be set to “large”. In cases where the processor has the ability to select the crossover frequency to

a lower setting you may nd improved performance by selecting “small” and then setting a crossover fre-

quency in the range of 40-60Hz.

• If your processor oers the ability for separate crossover settings for stereo and you are using a subwoofer,

the subwoofer crossover frequency should be set so that it covers only the lowest octaves. Select a frequency

in the range of 60-70Hz.

(30 cm)

8’ - 16’

>12”

>8”

- 40

(2.4 m - 4.9 m)

(20 cm)

(1.8 m - 4.9 m)

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