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For what it's worth, I'm getting +5.1404VDC and +5.1362VDC, no load, on my two chargers.
I don't have a pigtail to test it loaded, but a minimally regulated AC-DC adapter like your typical phone charger is going to drop on the order of 0.2-0.3VDC when loaded up (which is why the vast...
Is there there a reason you can't use a regular old passive splitter/y-cable? As long as both inputs you are splitting to are proper high-impedance type (most should be, hopefully when powered off, too), you shouldn't have an issue.
I'm also not sure a Fiio E9 will work how you intend. The...
JDS labs doesn't normally include the wall wart. It's $10.99 for the standard US one used in the design docs on their Accessories page.
"Upgraded" op-amps in an O2 is of very questionable value. A major goal of the amp was to use cheap audio op amps (not high slew rate measurement op amps...
Played around with some more random ODAC testing.
First, I connected directly to a pair of Sennheiser HD598 and some Etymotic HF2 just to see what it sounds like (with software volume turned way down). No surprise, they both sounded pretty awful. The HD598 had muddled, fuzzy bass everywhere...
If you're set on a card, a Xonar STX should work nicely.
It's a very good DAC with an adequate amp. While I wasn't happy with the amp performance into ~50ohm Sennheiser HD598 (flabby bass, probably at least partially due to the ~10ohm output impedance), but that particular problem shouldn't...
No double blind testing, but a few quick back-and-forths leaves me unable to tell any discernible difference between an ODAC and a Xonar STX (line out) through an O2 amp (as expected). So far I'm quite happy using it on my laptop.
Other notes: the JDS Labs enclosure is well built and they...
The X220 is known to have somewhat mediocre speakers, but there is this fix: http://forum.notebookreview.com/lenovo-ibm/657971-dolby-home-theater-your-thinkpad.html
I'm not sure what "DJ quality audio output" means exactly, but if you're looking for good sound quality on headphones, I'd...
They aren't leather, but for seriously rugged, well-designed bags, take a look at Tom Bihn: http://www.tombihn.com/
For similar quality (but more of a "safari" than "business" look), there's Red Oxx: http://www.redoxx.com/
Both pricey, but cheaper than your budget, too..
This is what killed the Per. MX for me.
It lacks the dynamic shift-on-the-fly SmartShift scroll wheel of the MX Rev. It now only switches modes from the click-click-click ratchet to free spinning with the chintzy-feeling mechanical button.
Some like this better, but personally I feel they...
Assuming it'd fit your board, I'd grab a Thermalright True Spirit 120: reviewed by the [H] here.
Unfortunately, the availability stinks, so it ends up being ~$43 shipped from the one Amazon source. Still cooled better in the review than the H60 while being quieter.
A Lenovo X220 seems to fit the bill on everything but thickness (not sure of the proper spec: I've seen 1.05", 1.36", and 1.5". Perhaps it depends on battery).
Going by the HD595 measurements here, it has the same mid-bass impedance bump as HD598.
In my experience, a high-ish output impedance on my Xonar STX (~11ohm, I believe that is the same with even non-amp Xonars, but I could be wrong) bloats the mid-bass and makes it a tad boomy on my HD598...
Check this thread: http://hardforum.com/showthread.php?t=1662138
Unfortunately, separate headphone and microphone is a necessary evil if you care about sound quality; there just aren't that many great sounding headsets. Especially on that budget.