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RE: A measurement from ProAc response three

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seancuster71@gmail.com

In Reply to: RE: A measurement from ProAc response three posted by Leo loves music on February 26, 2025 at 15:54:57

Here is a measurement of the ProAc response three using a B&K 4006 microphone with DRA Labs MLSSA system measured by John Atkinson so you know its 100% correct.

It's not that bad I have seen worse on speakers costing 5 times more but it's not good either.

Look at the graph 0 dB is your average, and these speakers have a 9 dB spike at 60 HZ. To the human ear an increase of 10 dB sounds twice as loud so a 9 dB spike is unacceptable. A dip of about 2.5 to 3 dB at 2500 KHZ from 7000 KHZ to 10000 KHZ there is a 4 dB spike and from 16000 KHZ to 20000 KHZ there is about a 4 dB spike.

Funny if you look at some Focal or Magico speakers they measure just as bad and cost more. Facts are a lot of very expensive speakers measure poorly. People need to look at things from a manufacturer point of view it is more important to cut corners and make profit than it is to make a speaker with a perfect response.

Follow Ups:

I wouldn't trust that bass peak in Stereophile speaker Measurements - Jon L 17:17:34 03/10/25 (0)
That bass peak appears in same place for many speakers measured in Stereophile, which does not truly exist if measured in anechoic environment. Some of the reasons:
Bass is measured near-field
No anechoic chamber thus vulnerable to room effects
Bass driver measurement is done separately, port output also separately, and then both are spliced onto mid/treble graph without clearly repeatable standards and methods.

Edits: 03/10/25
They are very musical - Leo loves music 03:50:52 03/03/25 (1)
I like them better than my B&W 801 matrix S2 (at least for now). I also have response two. I like them too.
- RE: They are very musical - seancuster71@gmail.com 10:40:00 03/03/25 (0)
  Thats awesome always nice to switch speakers from time to time.

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