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Mennoo
17
Dec 28, 2017
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tessierpg
Dec 28, 2017
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MennooBoth O2 versions would be adequate, I own the HD6xx and I own a normal gain version Without DAC and a medium gain version With SDAC. If you plan of using it with a low output devide such as a iPhone, Android device, (1 volt or less of output) I would suggest the higher gain (normal) Version because you will profit from the 6.5x gain mode in such cases and use the 2.4x gain in all other cases. If you plan to use it with a DAC or CD player (2V output), then I suggest the medium gain version because the higher gain 3.3x is optimized for a 2v or 2.1v input from such sources. But in any case there is a gain switch on both versions and at least one of the available gain position on each version would be compatible for any needs, although not fully optimal in certain cases. Remember that the O2 will not tolerate (read « heavy distorsion » here) a lot more than 7v of total input voltage ( formula : gain x X input voltage v = total input voltage). Example: 2.1V input from a DAC or CD player multiplied by a 3.3x gain from the medium gain version = 6.93v, thus respecting the O2s total input voltage limit of 7 volts. In the same example, you would limit the gain on the normal gain version to the low gain 2.4x position in order to respect the 7v limit.
Jackula
1743
Dec 28, 2017
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tessierpgGlad to see you've started to read and understand some science. It wasn't too hard was it? I'm proud of you.
tessierpg
Dec 28, 2017
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Jackulaif I wasn’t polite, I would tell you to fuck yourself, but I won’t say it.
tessierpg
Dec 28, 2017
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MennooI would recommend the Audioquest Dragonfly Red which is a DAC/Amp combo that may be used alone or as a DAC only with a more powerful amp such as the O2. However Apple has the reputation of using good quality DACs in its iPhone and iPad lineup. The iPhone 7 doesn’t have an audio jack and thus needs the special audio out lightning connector adapter which carries a good enough DAC if you want to save money. But the Dragonfly Red or Massdrop/Grace SDAC are both better DACs. I have an iPhone 6s with an audio jack but I still prefer to use the camera lightning adapter with my Dragonfly Red, which produces sufficient moderate volume level with the HD6xx. But if you need higher volumes, you may add the O2 amp using the Dragonfly as a DAC or use the Massdrop/Grace O2-SDAC combo which is great. Some will argue that the O2 is not powerful enough for the HD6xx, I don’t eat that kind of bread. The O2 generates 88 Mw under 600 ohms and 355mw under 150 ohms. The Hd6xx is 320 ohms, in between those Specifications. Worst case scenario 88mw is more than enough even in peaks. I don’t buy that the O2 is insufficient for the 6xx. I have 2 O2s at home, one of which is the combo with the SDAC and the other is a standalone O2. Both are very good amps with the 6xx, and so is the Dragonfly Red with its 25mw of max output, enough for moderate levels of volume, maybe a bit short if you push it at higher volumes, but in any case all of these configurations of DACs and amps carry very good sound with the 6xx for very resonnable prices. I’m not saying they are the best, I am saying they are great performers for a reasonnable budget. Given the law of diminishing returns, I find them well positioned in « sweet spots » given their performance, sound quality and price. Its my opinion, other may feel differently.
Jackula
1743
Dec 28, 2017
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tessierpgGeezer and I was trying to be nice. You make this community toxic.
I may have more upvotes than you now, but remember 6 months ago when I had zero and you had 200, who do you think is the more helpful person here?
Once again the O2 isn't a powerful amp, it may have been at one stage but with the likes of Aune or Schiit, it's no longer as suitable in this price range. The power is a bit short for the HD6XX. Myself and five others tried to tell you this. You even dismissed NwAvGuy's own measurements, I'd think the guy who designed his own amp (the O2) would know what he's talking about.
And also once more, provide your own arguments based on science, if you can't, be nice about it instead of swearing at people you don't agree with.
I may have more upvotes than you now, but remember 6 months ago when I had zero and you had 200, who do you think is the more helpful person here?
Once again the O2 isn't a powerful amp, it may have been at one stage but with the likes of Aune or Schiit, it's no longer as suitable in this price range. The power is a bit short for the HD6XX. Myself and five others tried to tell you this. You even dismissed NwAvGuy's own measurements, I'd think the guy who designed his own amp (the O2) would know what he's talking about.
And also once more, provide your own arguments based on science, if you can't, be nice about it instead of swearing at people you don't agree with.
tessierpg
Dec 28, 2017
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JackulaJackula, this is not a contest, I leave this to you. it’s a matter of respect for opinions of others.
You act like if you hold the Truth with a capital « T » invoking Science with a capital « S ». There are different interpretations to Science as you invoke it. I maintain that the O2 amp is more than sufficient to the HD6xx in the way I use it. Many people but not all may use it that way and than again as you were making fun of me I do not use the headphones at very loud volumes and that suits me fine. You may have a different opinion, it’s your Truth, your Science, your Results using your Premises, For my part, I use the O2 with my HD6xx at moderate or slightly louder than moderate volumes and it suits me fine. If that is short to you, keep it to you and respect others’ opinion of the matter. Finally your sarcasm doesn’t help things on the matter. You may have your opinion, I just don’t agree with you. Let go.
Makami
4237
Dec 29, 2017
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JackulaHello,
i don't want to interrupt the friendly conversation the two of you are having, but please don't fall into the pitfall to give "up-votes/likes" to much importance and take it as an argument to judge other folks worthiness.
You joined 2013, 1024 likes. tessierpg joined 2016, 475 likes. I joined 2014, 3490 likes.
It's worth nothing, none of us is better than the other, what's the meaning of likes, if you can't be disliked? This "ranking" bullshit is an illusion to generate so called influencers, it would be even nicer for MD if you wouldn't be hiding your drops. Still wonder, it's still possible to hide.
It's the same bullshit as the mass of followers MD auto generated, until a few month ago i had about 100 so called followers, and i knew those names and why they've chosen to follow. Now I've close to 15000, people that don't give a shit, but MD wants us to feel special and might even believe we don't recognize.
In a working community this isn't needed, you build your reputation and acknowledgement through action/words and not with numbers, i know "my" folks and they know me.
Cheers
i don't want to interrupt the friendly conversation the two of you are having, but please don't fall into the pitfall to give "up-votes/likes" to much importance and take it as an argument to judge other folks worthiness.
You joined 2013, 1024 likes. tessierpg joined 2016, 475 likes. I joined 2014, 3490 likes.
It's worth nothing, none of us is better than the other, what's the meaning of likes, if you can't be disliked? This "ranking" bullshit is an illusion to generate so called influencers, it would be even nicer for MD if you wouldn't be hiding your drops. Still wonder, it's still possible to hide.
It's the same bullshit as the mass of followers MD auto generated, until a few month ago i had about 100 so called followers, and i knew those names and why they've chosen to follow. Now I've close to 15000, people that don't give a shit, but MD wants us to feel special and might even believe we don't recognize.
In a working community this isn't needed, you build your reputation and acknowledgement through action/words and not with numbers, i know "my" folks and they know me.
Cheers
Jackula
1743
Dec 29, 2017
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tessierpgCan you clarify what you meant by interpretation of science? There is no possible way to interpret science, it is a black and white subject. There is no Science, there is only science.
If you recall, I never disrespected your opinion, only that when you say things like "40mW" is enough for these headphones, it is no longer an opinion, it is a statement of fact, and it rubs me the wrong way.
Most people I talk to around here accept the maths I provide, but you don't seem to care for it, and this also rubs me the wrong way.
If you have an opinion, that's fine. Remember way back when you accused me at listening at damaging volumes before I accused you of the opposite. I've already let go and even endorsed some of your posts, and out of nowhere you just had to bring up an old topic because I didn't agree with 1 thing you said. I've also seen you endorse some of my posts, but withdrew those endorsements when you found out who posted them. It seems like you are the one holding onto old grudges.
What volume do you listen at anyway? On my O2, 50% volume is ok with me most of the time. Bass distortion is pretty obvious on some tracks.
If you recall, I never disrespected your opinion, only that when you say things like "40mW" is enough for these headphones, it is no longer an opinion, it is a statement of fact, and it rubs me the wrong way.
Most people I talk to around here accept the maths I provide, but you don't seem to care for it, and this also rubs me the wrong way.
If you have an opinion, that's fine. Remember way back when you accused me at listening at damaging volumes before I accused you of the opposite. I've already let go and even endorsed some of your posts, and out of nowhere you just had to bring up an old topic because I didn't agree with 1 thing you said. I've also seen you endorse some of my posts, but withdrew those endorsements when you found out who posted them. It seems like you are the one holding onto old grudges.
What volume do you listen at anyway? On my O2, 50% volume is ok with me most of the time. Bass distortion is pretty obvious on some tracks.
Jackula
1743
Dec 29, 2017
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MakamiAgree with your post, however the context of my remark was that Tessierpg called me unhelpful in another thread where I disagreed with him on the build quality of the HD6XX, and since now he wants me to go f myself, I just wanted to point out I got 5x more endorsements than him within 6 months. I've been a forum member since July, at which point he had 200 endorsements.
Jackula
1743
Dec 29, 2017
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tessierpgContinuing in ignorance I see. Guess I shouldn't be surprised.
tessierpg
Dec 29, 2017
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JackulaStop being condescendant with people that don’t agree with you. Stop, let go with me. Govern yourself accordingly.
Jackula
1743
Dec 29, 2017
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tessierpgThe condescending person asking others not to be condescending. The person who can't let go asking others to let go. Quite ironic.
tessierpg
Dec 29, 2017
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JackulaPlease do Fuck off. And no need to report me, I’ve already took care of that myself...
cbkhanh
9
Dec 29, 2017
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Jackula"likes of Aune or Schiit, it's no longer as suitable in this price range"
Would you mind clarifying this part? Which Aune/Schiit are you referring to? I'm new to this and just want a reasonable entry-level DAC/AMP combo for my 6xx (budget around $200 -- $300).
Would you mind clarifying this part? Which Aune/Schiit are you referring to? I'm new to this and just want a reasonable entry-level DAC/AMP combo for my 6xx (budget around $200 -- $300).
Jackula
1743
Dec 29, 2017
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cbkhanhSchiit Magni is the one I'm referring to, it's got enough power to drive these, when you also buy the matching modi and stack them together, people refer to this as the Schiit stack. It will set you back $100 or the stack will set you back $200.
Aune has a few more options, the x7s you can get for $200 here on Massdrop, it's amp only. Or T1 that has a built in tube DAC which you can also buy off Massdrop the the same price of a x7s.
ODAC+O2 is not a bad combo, but it will distort with more dynamic tracks, and won't let you listen at much higher than 80dB.
I have my own preferences, but between the three, Schiit is the most colored, Aune is the most forward and O* is the most neutral. I could go into more detail but there is already a fair amount of reading material on each.
Aune has a few more options, the x7s you can get for $200 here on Massdrop, it's amp only. Or T1 that has a built in tube DAC which you can also buy off Massdrop the the same price of a x7s.
ODAC+O2 is not a bad combo, but it will distort with more dynamic tracks, and won't let you listen at much higher than 80dB.
I have my own preferences, but between the three, Schiit is the most colored, Aune is the most forward and O* is the most neutral. I could go into more detail but there is already a fair amount of reading material on each.
Jackula
1743
Dec 29, 2017
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cbkhanhI doubt it, the O2 was designed by a guy named NwAvGuy, who was very specific about the modifications companies were allowed to make to his design. So looking at the Arc it appears to be a different product. I haven't listened to an Arc so I can't comment unfortunately :( Looking at the power output, it's almost as short as the O2 while the crosstalk figures are much worse.
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Regards, Menno