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Anent
167
Dec 9, 2016
Maybe this was already mentioned? It tickles me that the magnetic flux density is a selling point. Keep in mind that neodymium magnets are all typically of the same specs. ;)
DivinityQ
11
Dec 9, 2016
AnentAre they? Size should still matter, right?
Anent
167
Dec 9, 2016
DivinityQSintered Neos are stronger than bonded but still within a factor of ~2; precise composition also influences strength. Edge effects (i.e., magnet size) can be a factor, but that wasn't mentioned. T=Wb/m^2 :)
TjPhysicist
29
Dec 10, 2016
AnentI'm kind of new when it comes to the whole 'audiophile' thing, but this is the first time I've ever heard anyone talk about 'magnetic flux density' of headphones. I literally can't find a tesla rating for other usual $100-$500 headphones. Which leads me to asking the question: why is that? how come other people don't talk about tesla rating on their cans (say e.g. shure or sennheiser)?
Anent
167
Dec 10, 2016
TjPhysicistTypical headphone 'point-source' Neo magnets have B~0.65T...the Beyer T1 have B~1.2T...this info is available but you usually need to dig.
Here is a physics fun planar magnetic headphone article: http://www.innerfidelity.com/content/how-planar-magnetic-headphones-work and another from Audeze (peak 1.5T)... http://www.innerfidelity.com/images/Audeze_LCD4_AUDEZEwhitepaperonFLUXOR.pdf
TjPhysicist
29
Dec 10, 2016
AnentOoh thanks, for the article too think I've seen it a while back.
I'm still wondering why no company usually talks about it, I can def. see some companies trying to make their headphones "sound" good just by talking about "the tesla rating" (you know, marketing by technical jargon...kinda like those gold plated hdmi cables).
TjPhysicist
29
Dec 10, 2016
AnentThis is brilliant actually. I now have an awesome idea for the next "beats". make crappy-ish headphones with MASSIVE magnets and advertise the tesla rating as something special. It's tricky, but someone needs to do this right and make tonnes of money (I know, I'm evil! ;P)
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