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j.a.l
716
Aug 24, 2016
This has to have been discussed somewhere in the 140 pages of comments, but I can't find it. (Massdrop: search within comments. All the cool kids are doing it.)
So I am pretty clueless when it comes to audio. I picked up a pair of these purplehearts and an O2 amp (the desktop model, standard gain), currently just plugged to my machine's motherboard (Realtek ALC1150). It is rather quiet - turning up everything to maximum, and turning the gain on, is loud, but nowhere close to uncomfortable. I'm assuming it is an impedance issue, but am wondering if that's right, and if there's anything to do about it. I mean, I don't need it to be louder, but it does seem not like intended function. And while I don't abstractly care where the knobs point, I already probably pissed off the neighbors when I switched back to my speakers without remembering to turn everything down.
Anyone know where I screwed up?
raexx
21
Aug 24, 2016
j.a.lo2 w or w/o dac?
j.a.l
716
Aug 24, 2016
raexxO2 without DAC (the one sold here last time around). I've looked at some other DACs here and elsewhere, but at this point in my knowledge of these things don't know enough to know how, or even whether, to choose one.
Meru
52
Aug 24, 2016
j.a.lo2 is quite transparent in terms of paring so any dac that is high quality will do. Chord Mojo, the fancy one from JDSLab, ODAC, or your DAP if it does support USB DAC output and use it as Line Out. Actually dac that costs around 100 bucks will do the job fine. You can start from here. Or used units. OR if you really desperate just connect it to your sound card on PC, won't sound too bad actually.
j.a.l
716
Aug 25, 2016
MeruThanks. If you look a little upstream in the thread, my original question was about why my X100s seem rather quiet using the O2, being driven by my PC. I'm beginning to suspect it is the 'PC' part, but I'm still pretty n00by about a lot of this.
Something that occurred to me earlier today, that probably has a pretty big influence on DAC selection are specifics about my machine; thing one is that my desktop (machine this will be used on) has a TOSlink-out on the motherboard, and thing to is I run Linux. I've read that under Windows, USB drivers can be an issue, and if Linux drivers are required for USB, then I'm guessing they probably don't exist for most hardware like this, so I'd be looking for optical.
I do actually run Win in a VM to use a specific application, so I could probably figure out USB passthrough and use Windows native drivers if I had to, but that stuff gets weird and a major pain to troubleshoot pretty quickly.
AmpHi
100
Aug 25, 2016
j.a.lMy motherboard has a Realtek ALC1150. Tested it multiple times with the O2 and Schiit Asgard 2 amps as my motherboard was touting it as one the best sound solution....it is absolutely shit. Its not your amp at all. I have the O2+ODAC and it is a night and day difference. A DAC would be great but a ASUS Xonar DGX PCI-E would also be great choice as it is miles better than onboard at just about $40.
j.a.l
716
Aug 25, 2016
AmpHiAwesome, thanks for the info. That's what I was beginning to suspect. This machine can't easily take another PCI card - it is rather stuffed already, so I'll be looking at a DAC once I figure out what the deal is with USB vs. optical and what actually will work under Linux.
Thanks again!
Meru
52
Aug 25, 2016
def won't work this way, his O2 is only the amp part which is connected a la analogue, not ODAC
Meru
52
Aug 25, 2016
j.a.l@AmpHi said what I want to say. You do need a decent source aka dac besides a decent amp. Pairing your O2 to your motherboard's soundcard is doing double amping and you're still amping the bad signal processed by the dac on your soundcard.
j.a.l
716
Aug 25, 2016
What meru said, and also, as I mentioned above, this isn't Windows.
j.a.l
716
Aug 25, 2016
MeruCool, I'll be figuring that out next. I appreciate the help.
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