Below, a few audio "array" pendulum methods, these placement methods have their own merits, you can refer to the actual conditions and conditions:
★Three-seven-seven proportional method
The length of the room is divided into three equal parts (three), the horn is placed at one-third of the length (1), and the interval between the two speakers is 0.7 times the length of the two-thirds of the room (seven). The horn preferably has a slight inward projection angle, but it does not project inward, and the listening position cannot be placed against the back wall.
Effect: This method is used for a space with a large size and a uniform ratio (for example, 1:1.25:1.6 or 1:1.6:2.5) to obtain a balanced sound and a wide sound field.
★Three-three-one ratio method
The length of the room is divided into three equal parts (three), and the width is also divided into three equal parts (three), and the horn is placed at the first aliquot of the length and the width (1). The horn can have a slight inward projection angle, even without inward projection, and the listening position cannot be placed against the back wall.
Effect: This method is also used for spaces with large size and uniform proportion. The only difference between it and the 317 proportional method is that the spacing between the two speakers is narrow. This method also gives a balanced sound and a wide sound field.
★ screw hole pendulum method
Place the horn between one-third and one-half of the length of the room, then place the two speakers as far as possible on the sides of the wall (if the room is wide, you do not need to be close to the side wall), the inward projection angle of the two speakers is greater than 45 degree. The listening position should be about 0.5m-1m after the intersection of the projection angle crossing lines.
Effect: This method is specially designed to deal with the shortcomings of high pitch, too thin midrange, and insufficient bass.
★Orthogonal triangle method
The first condition is that the horn must leave the back wall (at least 1 meter or more) and the side wall (at least 0.5 meters or more). The second condition is to draw the two speakers and the listening position as an equilateral triangle. The third condition is that the inward projection angle of the two speakers is also 45 degrees or more. The fourth condition is that this regular triangle can be large or small. When the room is small and the power of the rear stage is not large, the regular triangle is smaller; when the room is large and the power of the rear stage is large, the regular triangle is painted larger.
Effect: It has the advantage of reducing the excessive interference of the four walls of the reflected sound to the direct sound of the speaker, and obtaining a good sense of positioning and a wide and deep sound field. This is the most versatile, straightforward, and clearest detail.
★Long side swing
Turn the horn against the road, with the long side of the room as the horn back wall, and the rest in a regular triangle. Listening to the location should not be attached to the wall, at least 0.3 meters away.
Effect: The intermediate frequency and low frequency are enhanced, and the depth of the sound field is poor.
★Rhombus
This method is only available in square spaces. Think of the square space as a diamond, and the horn on the sides of the diamond against the wall. The diamond-shaped sharp corner behind the horn and the diamond-shaped sharp corner behind the listening position are subjected to arc or cylindrical sound wave diffusion treatment, and the horn should not be too close to the side wall.
Effect: This method can solve the problem that the standing wave of the bass space in the square space is too strong. If the square space is not so swayed, it is necessary to stuff the furniture to "settlement" the standing wave.
★ wall-mounted method
Put the horn close to the back wall, no matter whether it is 50 cm or 30 cm from the back wall, you can adjust it yourself.
Effect: The high frequency is sharp, the intermediate frequency and the low frequency are used weakly, which can make the intermediate frequency and the low frequency full, and the whole high, medium and low frequency can be balanced. It also makes the depth of the sound field shallower and narrower. However, if we balance the harsh sounds, it is the right way to sacrifice the sound field and seek a good voice.
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