[מדריך] מיקום הרמקולים במערכת קולנוע ביתי! - הדרך להנאה =]

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הצטרף: ינואר 2008
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שליחה #1 

שלום לכולם,
לאחר שנתקלתי בהרבה תמונות של סלונים אשר הרמקולים מפוזרים בכל מקום,
ובעיקר בגלל שהחלטתי לקחת את הקולנוע הביתי אצלי לרמה יותר גבוהה,
בנוסף לצורך לשרוף שעתיים במעבדת מחשבים החלטתי לאסוף מידע למדריך אחד
המסביר אחד ולתמיד איך לסדר את הרמקולים באופן האולטימטיבי בסלון בעל קולנוע ביתי 5.1.

תהנו!

* המדריך כתוב באנגלית, פשוטה למדי, בעקר בשל העצלות שלי לתרגם אותו. אם למישהו יש איזה שהיא שאלה, שיכתוב אותה פה.

A Guide to Home Theater Speaker Placement

Center speaker
Try to have the center speaker at the same height as the left and right speakers and as close as possible to the screen.

The front of the center speaker should also be aligned with, or slightly behind, the left and right speakers. Avoid having it forward of the left and right speakers, as that could adversely affect sound perspective for listeners seated off center.

The center speaker tweeter should be at ear level when seated, and If possible, the height of the speaker's tweeter should be close to the height of your front speakers' tweeters — ideally, within about 24".

תמונה תמונה

The center speaker should be precisely the same distance from your listening position as your front left and front right main speakers.

Aim your center speaker directly at your primary listening area.

Front speakers
The left and right speakers should be within a 22 to 30 degree angle to each side, they should form an angle of approximately 45 degrees to the listening position.

תמונה

The main front left and front right speakers should be placed equally distant on either side of your TV. For best performance, these speakers should be at least 6 feet apart.

Measure the number of feet from your centered seated position to the center point of the TV - 2/3 of that number is the distance your speakers should be apart. The center of this measurement should originate from the center of the TV.

תמונה

Your main speaker's tweeter should be at your seated ear level position.

Together with your center channel speaker, the front speakers should form a slight arc, so that all three speakers are exactly the same distance from where you sit, with the tweeters from all three front speakers aimed at your ears. We recommend measuring the distances precisely — just an inch or two can actually make a noticeable difference in the way your system sounds.
For the best possible sound, the tweeters should be at ear level when you're seated.

תמונה

If on the other hand, you are planning your home theater speaker placement mostly for group viewing, all three front speakers should be positioned in a straight line parallel with your front row of seats.

Having your main speakers face forward and not angled or "toed" in toward the listener really opens up the wideness of the soundstage. "Toeing" in the speakers can improve the centering of the soundstage, but can result in a loss of spaciousness. If you need to place your speakers farther apart than this guide suggests, you may need to toe them in a little so that a soundstage can be made.

As with the main speakers, direct surrounds sound best when pulled away from the walls about 1 ft with the distance to the side walls being a different measurement. Try to avoid wall mounting the direct surrounds as this can ruin the spaciousness of the sound.

Rear speakers
The rear speakers should be placed behind the listening area, directed towards the listening area. If space permits, install surrounds 2-3 feet above viewers. This helps to minimize localization effects. Aiming – the rear speakers should be aimed straight across the room, not down at viewers, this will help to cr-eate a more open, spacious surround sound field.

speakers should be placed to the left and right of your listening position — either in line with it, or just behind it. They should form a 90°-110° angle with respect to your television.

should be placed high enough so that the drivers do not fire directly at your ears when you're sitting down — one rule of thumb is to place them at ear level while standing.

If your surrounds are mounted on the side walls on adjustab-le brackets, experiment with aiming them. You may get good results from pointing them at the ceiling or toward the rear corners of the room.

Subwoofer
Because subwoofers reproduce only non-directional low bass, subwoofers do not contribute to sound localization, and therefore need not be in line of sight to the viewer. The accuracy and smothness with which they reproduce low bass, however, does depend on their placement.

Placing your subwoofer near a wall will generally result in more bass, and placement near a corner — where three room boundaries come together — will get you even more. Keep in mind that even though the bass increases as you place the sub near a wall or corner, the quality of bass may be slightly "boomier" and less controlled. Aim for a spot where you get a compromise between quality and quantity of bass.

תמונה תמונה

מקורות:
http://www.zinszer.com/ht-speakers001.htm
http://www.crutchfieldadvisor.com/S-src ... ement.html
http://www.practical-home-theater-guide ... nel_Speake
http://www.htadvice.com/on_setup/speake ... ement.html

פיטר :wink:

gorelshv
חבר ותיק
חבר ותיק
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הצטרף: אפריל 2008
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שליחה #2 

כתבה מצויינת. תודה רבה.

RONE
חבר פעיל
חבר פעיל
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הצטרף: אפריל 2008
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שליחה #3 

(Y) (Y) (Y) :D (Y) (Y)

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