Originally Posted by dkelley
you ARE trying to prove me wrong because you believe...
A belief is not me trying by any means to prove you wrong.
oddly you believe that allowing a loudspeaker's vibrations to exist at all in the cabinet is not a negative thing.
Never said anything remotely of the sort. I said that they do exist.
however, in theory it would sound identical if the enclosure were made from 2" thick particle board and re-enforced with solid concrete.
theoretically the drivers would produce the same output, whereas the entire cabinet would resonate sympathetically differently no?
Your insinuation that what I'm saying means that loudspeaker designers don't put work into cabinet design is completely false.
Absolutely not my insinuation at all, my point was that my assumption was that the speakers are designed to be optimally functional as is, if that's not the truth then I happily admit I am wrong.
And as noted, mass doens't affect the woofer's response.
And I never said it did, I said it affects the enclosure.
now as for is it better to have the loudspeaker's vibrations transmitted down into a stand or kept within the speaker itself, now you can talk mass and you will see how increasing mass is a good thing:
- a speaker stand has some mass
- adding that mass RIGIDLY to the speaker enclosure will effectively increase the loudspeaker cabinet's mass (but will not alter in any way the mass of the sound-generating components WITHIN the cabinet).
- increasing mass will lower the ability of the cabinet to vibrate.
- lowering the cabinet's ability to vibrate will reduce coloration from cabinet vibrations
- lowering coloration from cabinet vibrations reduced unwanted distortion.
All makes perfect sense and well explained. Especially the lowering a cabinet's ability to vibrate reduces coloration from cabinet vibrations.
My question then is: as these vibrations are dissipated through whatever it is attached to, what is the relationship between the increased surface area that will vibrate (cabinet plus stand plus floor) and the decrease in total vibration. Is it relative in terms of actual potential dB spl that the vibration may create.
Does that question make sense?
This is (typo!) NOT how speaker manufacturers intend their products to be used, not how they are tested scientifically for their performance, and clearly and unarguably is inferior for distortion compared with rigidly attaching your speaker to anything that has some notable mass or is rigid and solidly attached to somethign else that is rigid, like a concrete wall or a concrete floor.
While I'm sure this is true, how is the consumer to know this, especially as in testing a speaker for response and the charts they provide from those tests to the public, the setup is never explained.
It wouldn't be obscene to assume that the speaker on it's own with no coupling to anything in addition to what comes with it has exactly the response as charted. Which makes it reasonable to assume that isolating those speakers from anything else may be the best idea.
READ as: that's not the best way for the consumers to be seeing it, when it then is in fact incorrect assumptions that lead to that belief.
Not by any means saying you're wrong, just saying how it's sold to the public.