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SPL meter reads wells below 70db even with max level adjustment of +12db


rmklipsch

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Hello, I need some help to know what I am doing wrong. Do I have wrong AV?

 

I have just finished setting up my home theater with below speakers using Denon AVR S750h. 

  • 2 - R-625FA Tower Speakers
  • 2 - R-41M Bookshelf Speakers
  • 1 - R-52C Center Channel Speaker

 

Audyssey calibration did not come out asI was expecting so tried to calibrate using SPL measurements. However, even when I crank up the level adjustment to max of 12db, my SPL readings are still at 65db. Am I doing anything wrong?

 

i have volume set up as -75db to be 18db instead of 0-98.

 

are my speakers not receiving enough power or is there anything wrong in how I am measuring SPL? Using decibel x with “C” measurement with slow response.

 

attached is how my audyssey came up with in a 25x18 room. 

B7B4D6FA-25C0-4216-9E79-60A11848CA1F.jpeg

C4D8AC9A-0FA5-4375-9215-B20E80C0388E.jpeg

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