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Showing 1 of 25 conversations about:
Enginepartsguy
33
Jan 3, 2018
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I purchased a pair of these from Amazon from their Warehouse Deals for about $85. My girlfriend ran over the headphone cord with a vacuum cleaner. Threw the mangled cord away and contacted Koss to purchase a new cord. They don't sell the cord. ( Ought to as an accessory, nice cord) they said to return the headphones, I told them that I threw away the cord. They just said to return the cans with a check for $9.00. I did that, didn't return the case. Two weeks later I received a brand-new pair in plain brown box packaging. So I ended up with two cases. These are a wonderfully comfortable pair of headphones that need at least 50 to 100 hours to break them in. They don't sound good at all until broken in properly. I truely love these phones, well made, comfortable and extremely great sounding. They sound awesome on my Schiit Valhalla 2 headphone amp, much better than being fed from the headphone jack on my HK3490 receiver.
raketen1337
53
Feb 3, 2018
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EnginepartsguyThere's no such thing as breaking in speaker elements though.
Annndy
89
Feb 6, 2018
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raketen1337I am no great proponent of the dark arts when it comes to audio, but I think there are objective tests that show certain audio equipment, even headphone drivers/speaker elements, do indeed "break in" or "burn in" with use. I don't know if these would be one of the models that benefit from burn-in, but I think it's possible. Certainly a lot of perceived "burn-in" is really just people getting used to the sound and then liking it better, but here is a video that seems to confirm that burn-in can make a difference in the sound, at least on certain headphone models.
https://www.youtube.com/watch?v=8jxdOEpiCTs
Strongdoctor
4
Feb 7, 2018
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AnnndyCompletely pointless video. They said they wanted to do a double-blind test, but it isn't even a regular blind test.
Annndy
89
Feb 7, 2018
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StrongdoctorIt's true that they could not do a double-blind test. If you trust the measures they took to try to prevent the tester from knowing ahead of time which headphone was which, I think it shows that at least in this case he really could tell the two apart, but I must concede that I can think of at least three alternate reasons for that other than "burn-in."
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