Audio Asylum Thread Printer
Get a view of an entire thread on one page
|For Sale Ads|
If you can (or will !), try moving your listening seat far out of the way and place the subwoofer there instead, directly in the spot you'd normally sit.
Plug the sub in and wire it up, then begin playing something with repetitive and wide ranging bass lines. Preferably, play something like the Stereophile test record bass evaluation tracks.
Next, while holding your head up at about the same height as it is when you typically sit down to listen, crouch and crawl around the room wherever there is room to do so. Yes, you will look like a frog in heat but pay yourself no mind. Decide where in the room your bass sounds the cleanest and the best. Place your subwoofer there, if you can.
Remember that proximity to the main speakers is not necessarily the main issue when you are crossing over as low as you say you are. At 37 HZ, bass is completely omni-directional and so, the best spot for bass in your room will be wherever the room and the subwoofer says it is best !
Fiddle with phase and level controls until it sounds as good as it can sound. Your wife and family may not like where it is that the subwoofer ends up, of course. And now I cannot counsel you further.
Edits: 03/11/21Follow Ups:
Room modes is the complicated 2 word answer and room modes will emphasize certain bass frequencies while squashing other. The pub ...oops .. I mean sub crawl (pub crawl is a reward after a job well done!!) will get you bass at some frequencies and missing in others from that one listening spot only. It changes drastically when you move locations. That's the reason why sub crawls arent all that good. You may get lucky if you want to zero in on one sweet spot only, emphasis on the word lucky.
The graphs I'm posting is measurements I took to try and find the sweet spot for the widest range of bass frequencies possible across all 3 listener positions (left,center,and right) seating positions on a couch. I would move the sub to one location and run 3 frequency sweeps, one for each spot on the couch.
The last spot is where I settled as it gave me the flattest response across the entire couch.
I was lucky that I was able to achieve this kind of flat response with 1 sub in this particular room (my basement). I was able to achieve this with my bedroom as well BUT I cannot do this with my 2nd system in the great room. The greatroom is too big, irreuglarily shaped so I bought a 2nd sub (which is the usual recommendation) and I will use miniDSP to integrate the two subs.
The 'crawl" is recommended in the Monolith/Monoprice subwoofer owners manual provided with three of the four subwoofers I own.
So, I assumed that it was probably a legit method but I guess they are wrong (and I guess I was wrong to assume they were legit with their info) ?
The solution I use to get flat, smooth bass response over a wide listening window is the asymmetrically distributed multiple subwoofer method, based on Duke LeJeune's "The Swarm" method. I use four subwoofers placed in different horizontal and vertical positions throughout the room. Once I carefully balanced volume levels and phase relationships between front and rear area subwoofers in my room the quality of my bass response improved dramatically. It really works !
I would have recommended a multi-sub system to Jimbill because I know it works but it sounded as if he was strapped for working space, or something like that...
Thanks for the info.
'now I cannot counsel you further'
but can you recommend a chiropractor?
seriously, in the absence of measurement gear that's not bad advice
On carpeted floors one might have to use a wheeled dolly. Or, some brute strength.
Cheap furniture glides work great on most surfaces
I'd probably just leave the sub where I used to sit and stay on the floor where it sounds good! maybe a mechanics creeper would come in handy
Post a Message!
This post is made possible by the generous support of people like you and our sponsors: