(03-Sep-2015, 08:53)f1eng Wrote: I absolutely disagree with you. I hear no sound quality change on mine, just a change in the volume control law which I am sure anybody can get used to after a while.
I have had kit in the past with much less logical volume control actions than either the original or current volume control laws used by the Phantom, usually in the name of sound quality improvement of a non-logarithmic pot.
I don't look at the number, personally, I just adjust the volume to sound as loud as I want and since nothing has changed on my Phantoms apart from the number displayed in Spark when I listen it makes no difference at all.
After having repeated some measurements using REW and Umik-1 microphone with calibration file
I did in June I can conclude that there is no change (at least no observable at my listening position) in the frequency response between fw 1.2.0.0 and 1.3.0.31.
In June: SPL of 78dB, volume at that time: 23
In July: SPL of 73dB, volume at tge time: 21
now (Sept): meas1: SPL of 75dB, volume at 42; meas2: SPL of 63dB, volume at 35; meas3: SPL of 49dB, volume at 20.
All frequency response curves look (very much) the same. I have 10dB more between 15 and 35Hz, 5 dB less between 60 and 90Hz, another 5 dB valley between 150 and 180 Hz and then obviously room modes mainly steep canyons at specific frequencies: 40Hz, 57Hz, 75Hz, 150Hz, 170Hz, 220Hz...
All curves look very much the same in all the recordings from June, July and today in overlay mode.
Conclusion: no change in the frequency response of my Phantoms Silver. f1eng and others are right: the change of volume ratio and the now progressive scheme is the only change. This can have an influence on the perceived loudness. What still needs to be analysed is if there are some changes in the hissing that some including me experience and if this can make a difference in SQ.
