MechEngVic Posted October 18, 2019 Share Posted October 18, 2019 I was moving my subwoofer around in my listening area trying to improve the synergy between it and the main speakers. I put it in a spot where I thought the bass sounded better, but when I sat down to listen, I felt like I had lost some coherence and imaging, and within a few minutes I started getting a headache. It occurred to me to try the phase switch on the sub... And BAM!!! Everything gelled! My sub must have been out of phase (even in its original position) and when I moved it, it started playing nicer with the room but finished going out of phase with the speakers (at least it sounds like that's what happened). The thing is, the high frequency imaging seems to have improved more than even before I started moving the sub around. It must have been already partially out of phase...? I guess it makes sense that low, out of phase waves could affect all frequencies, but the difference is significant. Am I just hearing things or can an out of phase sub notably dampen your high frequency output? Quote Link to comment Share on other sites More sharing options...
carlthess40 Posted October 19, 2019 Share Posted October 19, 2019 Great question I’d like to know that as well and also is the a program to help with the placement and phase settings of a subSent from my iPhone using Tapatalk 1 Quote Link to comment Share on other sites More sharing options...
Don Richard Posted October 23, 2019 Share Posted October 23, 2019 Having a well balanced subwoofer system does seem to result in improvements throughout a speakers frequency range. 2 Quote Link to comment Share on other sites More sharing options...
JohnA Posted October 23, 2019 Share Posted October 23, 2019 Suppose you had a kick drum with a pedal slap. If the thump was out of phase/time with the slap, how would it sound? If the were in phase would the HF seem cleaner? 1 Quote Link to comment Share on other sites More sharing options...
MechEngVic Posted October 24, 2019 Author Share Posted October 24, 2019 12 hours ago, JohnA said: Suppose you had a kick drum with a pedal slap. If the thump was out of phase/time with the slap, how would it sound? If the were in phase would the HF seem cleaner? This is exactly the effect I was dealing with. I was getting the upper frequency registry of the sound and a boomy low registry. Now I am getting a tight slap and thump. I was missing information and getting muddy bass. Imaging is improved, better midrange crunch, and more brassy sounding highs, more "klack" less "hiss". Quote Link to comment Share on other sites More sharing options...
MechEngVic Posted October 24, 2019 Author Share Posted October 24, 2019 "Most people talk of high-frequency rolloff in rooms when it really is a bass buildup. They sound similar." -Dr. Floyd Toole https://www.audioholics.com/room-acoustics/room-reflections-human-adaptation Quote Link to comment Share on other sites More sharing options...
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