frequency response

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    Response Comparison Across Target Levels — Seeking Insight

    I turned to REW's EQ tool for a more objective reference to an MSO target level. Based on an average response of the seats I will be feeding to MSO, REQ calculated a target level of 82.5dB (range 16–140Hz). I then ran a couple more equalizations at 85.0dB and 87.5dB to see how they compare...
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    Looking for Advice for Taking Measurements with Vintage Audio Gear

    So I've picked up a pair of Minimus 7W speakers on the cheap and I plan on using them as computer speakers driven by a Pioneer SA-7100 amplifier. Initially I was pretty impressed for how well they sound, but I got the sense that there wasn't a whole lot going on by way of a crossover. Opening...
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    Aggressive rounding when exporting a measurement

    I just updated to REW v5.20.2 today (I was probably a number of releases behind), and I noticed that the amplitude column is now exported with very coarse rounding (when using the "Export measurement as text" option). The Y axis values are rounded to the nearest 0.1dB. This was not the case in...
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    Low frequency roll-off? - MiniDSP EARS on Windows 10

    Hi! I'm measuring headphone frequency response using REW v5.2 and miniDSP EARS on Windows 10. I'm observing a 6dB/octave roll off below 80Hz when comparing new measurements to previous measurements of the same components. Previous measurements were done on an older laptop some versions of...
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    low frequency response from linear sweep wav file

    Dear All, I wanted to check the frequency response of a linear sweep audio file (wav) with REW. The file is an output file of the "benchmark" tool from the "Equalizer-APO" software. I imported the file as audio file into REW and expected to see a totally flat response (since no filters active in...
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    Why did my room frequency change in 2 weeks?

    Hello to all, I'm Sean. I noticed on April 10th earlier this month that when I measured the frequencies in my room I received a measurement of -8.7 as a final result. My room measurement came back flat. However yesterday when measuring again I received a measurement of 31.2. My room is treated...
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    Why did my room frequencies change?

    Hello to all, I'm Sean. I noticed on April 10th earlier this month that when I measured the frequencies in my room I received a measurement of -8.7 as a final result. My room measurement came back flat. However yesterday when measuring again I received a measurement of 31.2. My room is treated...
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    John Mulcahy - Creator of REW!

    An AV NIRVANA VIP is John Mulcahy. We want to highlight John because for the AV NIRVANA community, which consists largely of audio and video hobbyists and DIYers, the advent of the ability to do our own analysis of the behavior of our systems in our actual rooms really changed things. When...
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