Recent content by jimdecosta

  1. J

    Constant 60hz on RTA

    Cutoff frequency for my EQ Filters. I guess that is APO related and not REW. I'm applying filters for the lower end, 300hz is my cutoff point. Ohh gee that sounds like I'm high passing to 300hz. My filter will run from 20-300hz
  2. J

    Constant 60hz on RTA

    Welp... I have a calibrated measurement mic that I'm going to use (my nephews) to get my ECM8000 in the ballpark, it will be fine. A few mouse clicks on the cali file and good enough for me. Ideal No! but, good enough. I'm only measuring the lower frequency 20-300hz maybe a bit higher and...
  3. J

    Constant 60hz on RTA

    Sorry, My Radio Shack meter is/was the cause. RCA line in on the meter was gootched up! I ordered a Berringer ecm8000. I know it's cheap, but it's affordable.
  4. J

    Constant 60hz on RTA

    I'm trying to measure my Room using REW. I got so far as to notice there's a constant 60hz. (from computer I'm guessing) @ about 70db I've try installing REW on laptop but the 60hz is still there ? So i assume its AC hum ? dirty lines. Possibly someone could give a look at my data.
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