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PilipBwoy
15
Jan 10, 2017
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I don't know if I got a defective product but mine has a very loud buzzing noise when amped through objective 2 with claro halo sound card. My other headphones have a barely noticeable buzzing but this one is just very loud.
Jan 10, 2017
SniperBEAST1515
5
Jan 12, 2017
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It might be an issue with your setup, as these are passive devices and aren't able to cause any noise themselves. Try listening from other sources.
Jan 12, 2017
PilipBwoy
15
Jan 12, 2017
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I've tried my other headphones. Even with lcd x, HD 650 and akg pro 712. The buzzing noise is very loud
Jan 12, 2017
EinTheVariance
342
Jan 13, 2017
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if you are hearing buzzing through all your heapdhones, it's clearly something in your chain rather than the headphone, probably the sound card. My suggestion would be to plug another source into your O2 (such as your phone) and see if the buzzing is still there. It's also possible that the issue is with the O2 if you only hear it when using the O2.
Jan 13, 2017
PilipBwoy
15
Jan 16, 2017
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Nope just the akg 553 has a really loud buzzing noise. Im returning them and getting the momentum 2 AE wireless
Jan 16, 2017
Kursah
1
Jan 17, 2017
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I run mine through a first generation Aune T1, no issues. Though if I use onboard audio, I do hear the buzzing from amp interference.
No issues from my OnePlus One, Sansa Fuze v2, her OnePlus X, or my Denon AVR-1613.
I'm hoping they'll release another drop for these. I love my pair, and am considering buying a backup for when (if) these fail or fall apart. After well over a year of constant use, some abuse and then more use...these are holding up amazingly well. Still comfortable, still easy to adjust, still holds adjustment, still sounds excellent, especially after tuning with an EQ. :)
Jan 17, 2017
SniperBEAST1515
5
Jan 18, 2017
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Again, backed up by Kursah, the problem should not be the headphones. They are completely passive devices, meaning that there is no possible way for them to introduce buzzing. Perhaps they may bring out an electrical gremlin in your setup, but that most likely doesn't mean that they are broken. Try connecting them to other things and see what it is like.
Jan 18, 2017
WildChinoise
239
Jan 24, 2017
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If it is a soundcard in a desktop PC, try connecting to the back panel instead of the front panel audio out. Most front panels share ground with USB ports and you can get a LOT of noise from that, even if the USB port is not being used.
Jan 24, 2017
ZHShaw
0
Jan 27, 2017
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Since akg 553 has much lower resistance and higher sensitivity, the noise from the output will cause a worse problem. Try with a better DAC.
Jan 27, 2017
PilipBwoy
15
Jan 27, 2017
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Guys I have a lot of headphones including audeze lcd x. Sennheiser hd 650, akg 712 pro, and sennheiser momentum wireless aebt. They don't produce the same amount of hiss as the akg 553. I just returned them. Maybe I had a bad copy but who knows
Jan 27, 2017
Caiz
22
Jan 29, 2017
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Thee are very sensiive cans, infact they are much more sensitive than the pro 712, or hd 650, and lcd x, afaik, and I figure are much more revealing, and this might e whey your picking up noise, because of the high fidelity difference.
Id ont' know if it's possible for the headphones to introduce such a noise if they are damaged, i don't think so, but you might try to return the product if oyu think it si the unit, there is a significant massdrop an or manufacturer warranty. Have oyu tested with a difference source device, say a local powered separated battery powered mobile device, like say a mobile phone? Secondly, have you tried without the objective 2, why are you using an objective 2? Dos ti have better performance characteristics than the soundcard as an amp in thd and snr? To isolate the problem maybe try the on-board card, not through the pc case front port, but just right for the motherboard, and see if the problem persists, the k553 is so sensitive, it's probably fully powered by even your motherboard, or your sound-card, the 02 probably, you probably have too much gear in right now, how logn are oyur rca cables, what the capacitance and shielding characteristic, shielding so so important, but whichever device, make sure it's for 32ohm headphones.. it`s not the age for 32ohm gain, since k553, I would suggest the o2 is probably introducing problems, at lest i this setup, and that youe heapdhone have revealed them. momentum is nice but k553 is superior by far imo. yeah these phones are so sensitive, i dont think you have anything to gain by lining out to the obejctive two, besides maybe an analog attenuation stage. and you can possibly have enough headroom to attenutue after the soundcard amp as well, with an analog, after amp stage remote. does the 02 analog attenuate? i should hope so, anyhow, if you think you need amage, it' not so with this headphone, im sure you wont have any power related shortcommings using the soundcards internal amps, but we must wonder, what is the output imedance of that amp? does ti match for the k553. to high output impedance can maybe cause problem from headphone, that i where the 02 might be able to be useful in this case. maybe the card is only for high impedance cans? so, set oyur soundcard to heapdhone fer you remove the obejctive two, and for your mobo setting, ebfore oyu plug it in, otherwi you might be able to wreck equipment.. im not sure of your case. on my reading for you, the card let you select output impedance, if you set this wrong, you cani probably wreck oyur equipment bad you headphones need a very low output impedance setting, like a normal consumer load setting, to perform well. did you try o2 on battery and with gain switches? anyhow i'd say test fir tthe headphone with a mobile phone, if the probme isnt with the mobile phone, then the problem is elsewhere in the setup. if the problem is with the headphone, then maybe call for support to try a ne unit. just some suggestions to help.
Jan 29, 2017
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