How U determine first and second reflection points


Someone told me following a while ago in room teak thread, but I don't think I understand it well. Any comments?
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Have someone sit in the primary listening location, take a mirror to the side walls opposite each speaker and move it until the seated person can see the speaker reflected in the mirror. These are your first reflection points. Start from there.
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eandylee

Showing 3 responses by fmpnd

Sit in your listening chair. Have a friend take a flat mirror (e.g., the kind you use for shaving with or in the bathroom - hopefully at least 8-9" x 8-9") and place it flat on the right side wall just behind or beside your right speaker and at about the height of the tweeter in your speakers. While you are sitting in your listening position, have the friend stand behind the mirror and start moving the mirror towards you until you see the tweeter of the right speaker in the middle of the mirror. THAT is the FIRST reflection point. Then have that person keep going until you see the tweeter of the speaker nearest the left wall in the middle of the mirror (still on the right wall) and THAT is your SECOND reflection point. Do the same on the opposite wall and you have your first and second reflection points.

Does this help?
WOW!!! To show you how fast we all responded, I thought I was the FIRST to respond because there WERE NO responses when I typed mine!! Good luck with your system.