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determing reflection points

I have Apogee Slant 6 speakers and have been room tuning for some time now but... I was wondering how I determine my 1st reflection points (walls & ceiling) since they are bi-polar so that I can better evaluate how to tune better in the future, can the forum members help with suggestions on how to explore this?
rsjm80
nonoise's avatar
nonoise
10,540 posts
 
I think one way is to sit at your listening position and have someone hold and move a mirror along the wall and when you can see the drivers, that's the first reflection point.

It's a very rough approximation but it should do in most cases.

All the best,
Nonoise
lenny_zwik
259 posts
 
That's exactly the way to do it and is more than a close approximation. To augment that, once you see the first reflection point, keep sliding the mirror down the wall until you see that other speaker and treat that spot as well. Rinse and repeat for the other wall.
rsjm80 OP
205 posts
 
Thanks for helping me with that, I think I've got it. additionally, any way to determie reflection points on the ceiling too?
mesch
3,391 posts
 
Check ceiling same way, need ladder.
shannere
82 posts
 
Here's a calculator for floor and ceiling reflections
mehlau.net /audio/ floorbounce
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