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Hi
Just to follow up on this post from a few months back called "boomy speakers, old wood flooring : answer ?"
The partial solution, for now, seems to have been in changing the woofer height from the floor, aided and abetted by a stiffer, stronger set of stands.
So speakers still in roughly the same room position, room furnishings the same, but cabinets up about five inches-- from about 5.5" to 10.5 --on more-rigid stands (a sound-anchor type heavy steel) is really changing the equation.
The problem isn't solved, but it is way less annoying. Somehow a different geometry btwn floor plane and woofer height has taken the boomy, wooly, runaway bottom end from all that toward some definition and clarity. Feels like an amp with a better 'damping' spec, tighter.
Hasn't really reduced the amount of bass, just defined it, tuned it a little. Truth be told, the room is still boomy and clearly not neutral .. But with tight bass sources, I'm really noticing much less. Cleaner source, who cares about the third and fourth degree quirks ...
And you can tell it improved because stands are still hollow unfilled steel tube, aren't spiked yet, and cabs aren't blutacked to stands. (I'll try with and without spikes, but IME the blutack on the top plate and the aquarium sand in the stands nearly always helps focus).
So a little success. Thanks to all here (and yes, somebody did* actually point out that just a little more air btwn woofer & floor could change a lot...) So it did.
b7.
* ['genungo' & Tom Schuman]
Follow Ups:
I replaced my speaker stand spikes with threaded stud gliders it helped a lot and allows easy positioning.
Good Luck
Thanks, that is a good thought.
Fairly certain the nylon 'glide' mounted on a threaded insert is available as a generic item from furniture-hardware suppliers, which makes it feasible.
(Not feasible, I might note, is the 'Herbies' price of $16.34, each , which brings a set of eight up to $130+ before you get involved with tax or shipping.
Intriguing, too, in that my speakers & stands cost less than that much, as they were finds on craigslist.
The one pictured here, for example, costs $1.56 from an internet source.
This herbie guy has a real sense of .. adventurous entrepreneurism, I'd say. Or the decimal point got moved ..?)
Thanks again though, this is worth a try for sure -- at net rates.
b7
nt
Well -- yeah.
Can't really sugarcoat it. Those are out.
Since I'm playing with my little college-dorm-retro system here, anything that costs hi-end money is out in principle .
Have a look at the above, though. Alloy steel or stainless avail, and you can stick whatever you need to the bottom, nylon, rubber, sorbo, felt-- or stay with the steel.
Coincidentally enough, though, today I was touring the various leveling/glide footer kinds of places that are not audio, and found some interesting versions.
I like the idea of a leveling glide that would spread the load slightly (as compared to a spike, which would really couple to the wood flooring here) rather than concentrate it to a point on the creaky surface below -- maybe in combination with a flat slate or thick paving tile, that would cover a width of the floorboarding ..
Some of the industrial places have glides and footers up to 3 inches wide, so a kind of lunar-lander footer. That's probably overkill, but wide footer-pads kind of make sense on old slatted flooring. Getting them to sell you fewer than 1oo pcs may be another challenge .. But sometimes there are other small-order vendors out there...
http://www.iec-corp.com/thumb_index.html
http://www.allglides.com/
Now that you mention it, though, when they come for me with the big nets I would like to have just one of those, to be slowly rotating in my bony clenched hands . . .
great of the walls in the rubber rooms.
?
Oh yes, directly placed to cover floorboards, a nice oriental rug with carpet-cushion underpad. Which certainly helps cure the boomy / slapback-y vibe in the nearfield area.
But that was there with the other stands too, and it really seems to be the greater clearance of woofers above floor that seems to have helped.
try raising your speakers more. It is easy to do. My mains are 36" of the floor and sound nice. Just try it. What do you have to loose?
Try a subwoofer. You probably ask why? That way you can turn down the bass and adjust the subs volume and keep the crossover set low to lower those unwanted frequencies from being produced.
It's good to hear you've created some improvements. Best of luck to you as you continue to refine your system!
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