07-27-2012, 02:42 PM | #23 | |
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but i have yet to see scientific proof the most i have seen was like a 0.2 db difference in sensitivity, i am pretty sure no ear on this planet can detect that minute a change
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07-27-2012, 03:54 PM | #24 |
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I can't give you scientific proof but can tell you that I have purchased high-end speakers and headphones that come with instructions on how to break them in. They wouldn't provide this advice unless they knew it was needed.
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07-27-2012, 04:27 PM | #25 |
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Speakers are moving parts, so as you play them they loosen up. Same as when you buy something with a hinge or other moving part, when it's new it's nice and stiff and after a while it gets loose and moves more freely. You also burn the coils in a bit, but I would venture a guess that this doesn't have as much of an effect.
When the speakers are stiff they sound more shrill, the wavelengths they produce aren't as smooth. Once they loosen up they get a bit warmer as their transitions are easier and smoother. Cheaper speakers aren't very stiff to begin with, so they don't really "break-in" but more expensive ones are built with higher quality components, better materials, and are more stiff in the beginning. Hence, break-in. |
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07-27-2012, 05:22 PM | #26 |
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Break-in is a real thing at least for speakers and headphones. I have experienced it time and time again - the speaker's bass performance improves as the spider and cone loosen up, and the change can be rather significant, going from harsh and shrill to balanced and smooth.
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07-27-2012, 11:23 PM | #27 | |
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My Paradigm speakers in my home were very clear in their break-in instructions.
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07-28-2012, 07:15 PM | #28 | |
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Certainly, it's reasonable that newer speakers aren't as "loosened" up as "broken-in" ones, else if there is no change... why do speakers eventually break/rip/pop/crack from overuse? Something does wear to a point of destruction, so in the beginning, that same wear may serve as a break-in. |
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07-28-2012, 11:42 PM | #29 | |
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I'd like to measure a speaker when new And again after 100 hours of "break in" I doubt there will be any difference I don't think speaker surrounds affect the sound And that's the only think I can think of that changes after break in The voice coil is a wire, it doesn't break in, nor change over time (unless you're using it above rates specs) The spider maybe does get a bit looser, but to affect the sound? I doubt it I think the 2 components that affect the sound a lot are the cone and the material it's made from And the speaker basket and the material it's made from Neither of those change after break in
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07-29-2012, 12:51 AM | #30 | |
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07-29-2012, 08:11 AM | #31 | |
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If you take a new car and measure the power, will see almost the same power like a burn-in engine. We talk about delicate changes. |
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07-29-2012, 10:53 AM | #32 |
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Exactly
Delicate changes that I don't think the ear (or measuring equipment) can detect
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07-29-2012, 11:12 AM | #33 | |
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The ear is a fantastic sensory organ and will pick up some very small changes, but the improvement in the new speakers is clearly aurally discernible by most users.
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07-29-2012, 11:35 AM | #34 | |
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But most dynos don't show any HP gain On the contrary, some of those filters actually lose power So what we perceive, and what is fact, don't always match up If you are saying there are noticeable differences How come no scientific test has ever measured this ? I've searched a lot for any measurements done on new speakers, and those same speakers after this so called break in Never found any that showed a difference that was outside the margin of error for the tests 0.2db is small enough that it could be measuring error And I doubt any ear here can detect 0.2db The average wear can't detect changes less than 3db
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07-29-2012, 09:50 PM | #35 | |
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Certainly, Placebo effect has been documented very well also, whereas, the mind can be fooled to manifest an effect or perception that is real to the person. I do not doubt there is some element of placebo effect involved with these type of things, but neither do I deny physical changes to the moving parts, it's the nature of all atoms and matter... to wear out or break away, now whether the sound is changed at obvious level of perception, is up to scientific proof and individual perception. So until then, we are just throwing opinions around. |
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