In Reply to: Actual Room size is 12'-6" x 24' - Speakers are on the long side toward the corner posted by Greg P on May 17, 2009 at 09:50:19:
If this is the case, then I'm not surprised you're experiencing the problems you have. Unless each speaker is in the same position relative to the room boundaries you are going to experience an unequal frequency response from each of the speakers. This will mess up the imaging as each speaker will have peaks and dips in the frequency response that is different from the other due to unequal positioning. Its also quite possible that one speaker is positioned in an area that is creating the boom you are experiencing. I experienced something similar to this when I had my AN/J's in a large room along the long wall where one speaker was very close to the center of the long dimension and the other was about four feet from the corner. Moving them to a relative symmetrical position was much better.
If you have a Radio Shack SPL meter measure each speaker separately from your listening position with 20-20K Hz 1/3 octave test tones to see how they differ in their current position. Don't be too concerned about the meter's ultimate accuracy as you are measuring each speaker relative to the other. My guess is that you will see a definite difference in their response and one may be the boomy culprit. If that is the case, repositioning the speakers for the smoothest and more equal frequency response relative to each other will give you much better results if that is feasible in your room. Good luck.
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Follow Ups
- RE: Actual Room size is 12'-6" x 24' - Speakers are on the long side toward the corner - R Browne 11:46:46 05/17/09 (1)
- One more thing... - R Browne 12:01:04 05/17/09 (0)