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In Reply to: RE: I don't go as far as you do, but I am more in agreement than not posted by John Marks on August 19, 2015 at 15:45:54
That is a classic example of why you can't judge a speaker based on its near field on-axis pseudo-anechoic response. In the far field, in room, those ugly looking midrange peaks and nulls in the on-axis response are opposed by corresponding dips and flares off-axis so the sum at the listening position is much flatter than the on-axis measurement would suggest.
Conversely, I've seen other designs that measure great on-axis but don't sound neutral because the power response is downward sloping in the upper midrange due to the narrowing dispersion of the midrange driver, followed by a peak in the low treble once the tweeter takes over.
Follow Ups:
jm
I was rather surprised by John's measurements, because I've measured the pseudo-anechoic response of my own W-B Vertex speakers and they don't look the same. My Vertex are not the flattest I've seen, and I didn't expect they would be given the directly connected mid-woofer, but they look a lot flatter than John's measurements of the Square One. That is surprising to me because I thought both speakers used the same Tactic II driver in roughly the same size enclosure with same/similar porting.
To quote the King of Siam.
jm
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