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I did in a separate comment: https://news.ycombinator.com/item?id=7686552 https://news.ycombinator.com/item?id=7686552 > Shure has tested some thoroughly used

I did in a separate comment: https://news.ycombinator.com/item?id=7686552 https://news.ycombinator.com/item?id=7686552 > Shure has tested some thoroughly used pairs of its E1 earphones, which first launched in 1997. And guess what? They measure the same now as when they came off the line. In fact, during the 15 years Shure has been actively selling earphones, its engineers have reached the same conclusion again and again: The sound produced by these tiny transducers during final testing is the same sound you’ll get in a day, in a year, and in five years… unless something goes wrong.

Zergy 13y ago
"Matt Engstrom, director of monitoring products at Shure, admits there is evidence that suggests transducers in larger headphones can experience burn-in, and that this could, in theory, produce different sound over time." I would agree that IEMs (the E1 is an IEM which is different than headphones) don't require burn in and the signiture change is not noticable. But even your evidence against burn in doesn't dispute headphones with large drivers (traditionally audiphile grade headphones) have sound signiture that alter with use. Thank you for providing more evidence for my point and against yours. I would reccomend reading past the title next time.
- 2muchcoffeeman 13y ago
  The full paragraph is: "Matt Engstrom, director of monitoring products at Shure, admits there is evidence that suggests transducers in larger headphones can experience burn-in, and that this could, in theory, produce different sound over time. Again, no one has shown this conclusively, largely because a) companies aren’t rushing to tell audiophiles they’ve been wrong all these years and b) there’s no single industry standard for testing headphones." Matt Engstrom is not very sure is he? His evidence "suggests" burn-in which "could, in theory" (sounds like the colloquial meaning of 'theory' too, not the scientific meaning) change the sound. So really no one knows.

Zergy 13y ago

"Matt Engstrom, director of monitoring products at Shure, admits there is evidence that suggests transducers in larger headphones can experience burn-in, and that this could, in theory, produce different sound over time." I would agree that IEMs (the E1 is an IEM which is different than headphones) don't require burn in and the signiture change is not noticable. But even your evidence against burn in doesn't dispute headphones with large drivers (traditionally audiphile grade headphones) have sound signiture that alter with use. Thank you for providing more evidence for my point and against yours. I would reccomend reading past the title next time.

2muchcoffeeman 13y ago
The full paragraph is: "Matt Engstrom, director of monitoring products at Shure, admits there is evidence that suggests transducers in larger headphones can experience burn-in, and that this could, in theory, produce different sound over time. Again, no one has shown this conclusively, largely because a) companies aren’t rushing to tell audiophiles they’ve been wrong all these years and b) there’s no single industry standard for testing headphones." Matt Engstrom is not very sure is he? His evidence "suggests" burn-in which "could, in theory" (sounds like the colloquial meaning of 'theory' too, not the scientific meaning) change the sound. So really no one knows.