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Mad Lust Envy's Headphone Gaming Guide: (3/18/2016: MrSpeakers Ether C 1.1 Added) - Page 850

post #12736 of 37462
Not all high impedance headphones are unaffected by a high output impedance, even some 300-600 ohm impedance headphones will still have significant swing in their impedance curve (as you play different frequencies over it) and a 100 ohm output impedance is high enough that it would very much have an impact (if that's in fact what you're looking at)...

The issue is that headphones doesn't always present an identical load to the amp, so when the load varies it'll interact differently with the amp if it approaches the point where damping factor is sacrificed or altered... Basically the manufacturer provided impedance measurement is an average, not an absolute constant figure. So essentially, you might be at the 1/8 ratio from 300Hz thru 10KHz but then at a different frequency you might be well below 1/8. Doesn't always have to be reflected in the bass.

The least affected headphones are planar magnetics since they have a completely flat impedance curve, so it's never gonna react differently to the amp depending on output impedance regardless of the frequency played (tho I'm unsure if electrical damping is still a factor overall, with planars specifically). AKG's Q/K 70x line has a relatively flat impedance curve, which is why I think it's often mentioned in the same context (plus it's high amping requirements).

It's not totally flat tho and still shifts by about 10-20 ohm at 10KHz, at least according to the InnerFidelity chart I'm reading... I guess that's still a relatively small shift tho, compared to headphones whose impedance jumps by 50-200 ohm depending on frequency (and that includes a lot of headphones from the lowly PortaPro to the HD650).

A chip/op amp is just exactly that, the way it's built/designed, the E09 and others are like that... Tho the E09k puts out far more than 60mW. Most AVR usually just put a series of resistors to step down the speaker voltage for headphone output, thus using the same amp for both. HK used a completely separate amp there, I think Marantz also does this, not sure... Which is the better approach is completely down to actual implementation tho, only measurements and/or your ears can determine that.

SoAmusing, the S&V article I PM'd you a while ago is probably the clearest explanation I've seen of why output impedance matters (less technical, good analogies).
Edited by Impulse - 4/1/13 at 9:51pm
post #12737 of 37462

Anyone try the HD800's for gaming purposes? lol.
 

post #12738 of 37462
Heh, anyone see Schiit's April Fool's joke? The Glo portable amplifier:

Atomic Battery with Unsurpassed Lifespan Yes, you read that right. 1.5 x 10E6 year battery half-life. That’s 15 million years. Compare to just a few hours in competitive devices. You’ll never have to charge the GLO. Ever. It will last longer than you do (especially with heavy use.)
post #12739 of 37462
Thread Starter 


Any idea how to fix this stupidity. I bought the laptop for the hdmi input, but everything I connect to it, looks like that...
post #12740 of 37462
Um... April fools?
Worst part is that curved white object in the middle.
post #12741 of 37462
Quote:
Originally Posted by pervysage View Post

Anyone try the HD800's for gaming purposes? lol.
 

 

King of Kings. wink_face.gif

post #12742 of 37462
Thread Starter 
That's a reflection or my light. Everything elsewhere else is the screen including the horrible white strip and the black bar on the right.
post #12743 of 37462

I have a PS3 and want to connect it with my HD 598s and Gr07 mk2.  I don't care about or need chat functions, but want the best possible audio quality.  Of the dss2, mixamp, e17, or anything else, which would provide the best audio?

post #12744 of 37462
Thread Starter 
Mixamp Pro 2011 or earlier. Or a receiver with DH.

BTW, got my foam headband for my LCD2... comfort just went from a 6.5 to an 7.5. JUST what I needed.

post #12745 of 37462
Quote:
Originally Posted by Mad Lust Envy View Post

Mixamp Pro 2011 or earlier. Or a receiver with DH.

BTW, got my foam headband for my LCD2... comfort just went from a 6.5 to an 7.5. JUST what I needed.

Lookin good!  Did you get it directly from Audeze?

post #12746 of 37462
If you want surround, you can cross the E17 off your list. The newer Mixamps have slightly more hiss than older ones, those from 2011 are the best performers. Since you don't need chat mixing, you have more options that are cheaper. I don't know how DSS and Mixamp compare for background hiss, but they both use Dolby Headphone, and the original DSS is selling on eBay for about $30 with cables. The DSS2 has some other kind of surround processing than DH (instead something by Cirrus Logic), but users have generally been pleased with it, and head-fi user I95North said it was basically noise-free. I think the DSS2 costs more than the DSS. I've been using the Recon3D for almost a year, just sold it as part of a gaming kit to another lucky head-Fi'er. My review on that is in my signature, TL;DR I liked it a lot and it causes less distortion to achieve surround, I liked the surround effect best of what I've heard (at my settings), but Mad & NamelessPFG shared a unit and thought rear cues sounded distinct from front, but they didn't sound like they extended behind the head. That wasn't a problem for me, but I had an amp, different headphones, and above all different ears, and the Recon3D is my personal top pick. Above that, you probably ought to just get an AVR for the convenience and versatility.

There's been lots of discussion of this, even over the past 2-3 pages.
post #12747 of 37462
Quote:
Originally Posted by Mad Lust Envy View Post



Any idea how to fix this stupidity. I bought the laptop for the hdmi input, but everything I connect to it, looks like that...

 

If I had to guess I'd say your PS3 is outputting a resolution that doesn't match your laptops native res, and the laptop is choosing not to scale the image.  Or maybe the laptop is purposefully underscanning the image for some reason. 

 

Does the laptops screen have hardware buttons to control how it displays incoming signals and how it scales them?

post #12748 of 37462
Thread Starter 
The ps3 and my desktop are both outputting 1080p, same as the laptop screen. I can assure you, the settings are correct.

Problem is, the hdmi input has absolutely no seetings. All you get is FN+F8 which switches from HDMi in to Windows and back. I've seen this before when hooking up my desktop to my TV. I believe its an HDMI handshake issue, but there's no way to adjust for it here.
post #12749 of 37462
Thread Starter 
Quote:
Originally Posted by modulor View Post

Lookin good!  Did you get it directly from Audeze?

The headband? Got it from someone here on the forums for a good price.
post #12750 of 37462
Quote:
Originally Posted by Mad Lust Envy View Post

The ps3 and my desktop are both outputting 1080p, same as the laptop screen. I can assure you, the settings are correct.

Problem is, the hdmi input has absolutely no seetings. All you get is FN+F8 which switches from HDMi in to Windows and back. I've seen this before when hooking up my desktop to my TV. I believe its an HDMI handshake issue, but there's no way to adjust for it here.

There should be some adjustment settings in Catalyst Control Center.  HDMI is very picky at times, mainly with scaling from my experience.

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