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  1. ratinox

    The AKG K550 Impressions and Discussion Thread!

    ...him I don't know jack about audio. Because I'm done with head-fi. There's no point. You people don't care why sound works, don't care why your low impedance headphones sound like **** when you use them with high impedance outputs, don't care that you're wasting you money on stupidly expensive...
  2. ratinox

    The AKG K550 Impressions and Discussion Thread!

    I'm going to harp on this point: it's not a headphone jack. It's a hybrid line out jack, and when I say hybrid I mean that it has an amp that's designed to be a pre-amp for self-powered desktop speakers but can also drive high impedance headphones well enough for gaming and voice chat and...
  3. ratinox

    The AKG K550 Impressions and Discussion Thread!

    Because of this: "I've never heard an 'upgraded' soundcard alone sound better than a dedicated amp or amp/DAC (portable or desktop)." Based on this it seems you think that sound cards and "dedicated DACs" are different things. Based on this it seems you think that anything labeled "sound card"...
  4. ratinox

    Koss Pro DJ 100 - The Budget King

    Any change will change how a headphone sounds. tdock has some thoughts about different pads in his first post of the thread. I have a pair of SRH1540 pads on mine right now; I posted some thoughts about them a page or two back and those have not changed in the past week with them. Beyerdynamic...
  5. ratinox

    The AKG K550 Impressions and Discussion Thread!

    A sound card is a DAC. How do you think a sound card turns bits into sounds? Magic? An orchestra of tiny fairies? No, it's a digital to analog converter -- a DAC. The point here is that most sound card amplifiers aren't able to drive easy headphones like K55x. The power output is too high and...
  6. ratinox

    The AKG K550 Impressions and Discussion Thread!

    Depends on the sound card and the headhpones. A good SoundBlaster sounds just fine with 200+ ohm headphones. It's just that, well, use the search function: http://www.head-fi.org/t/613707/the-akg-k550-appreciation-discussion-thread/1320#post_10393889 Anything pushing 10mW or more with an...
  7. ratinox

    The AKG K550 Impressions and Discussion Thread!

    There's your problem. Efficient, easy to drive headphones like K55x sound like crap from most computer sound cards. The strange-sounding bass is probably bass roll-off due to the too-high impedance of the sound card's hybrid line out amplifier, and the grainy sound is probably you diving through...
  8. ratinox

    Pictures of Your *Budget-Fi* Portable Rig (< $200)

    Everyone's benchmark for "budget" is different which is why for the $200 rule. The idea is that anyone can, in principle, get the same thing for about the same money. I don't have a camera handy so I can't post my latest obPhoto: Sansa Clip Zip that I've photographed previously + Koss ProDJ100...
  9. ratinox

    Koss Pro DJ 100 - The Budget King

    Which arrived just a short while ago. They're larger than the M50 pads. Duh, they're Shure-sized. Mounting on ProDJ is similar. They're larger but the material that fits in the grooves is wider so they stay attached quite well. Installation is easier since there's much less stretching involved...
  10. ratinox

    The AKG K550 Impressions and Discussion Thread!

    Good speakers are defined by flat frequency response where "flat" means precisely that: it's a flat line from 20Hz to 20kHz when measured at a distance of 1 meter. If you've ever looked at a headphone frequency response graph then you've seen that no headphone measures close to this. An ideal...
  11. ratinox

    The AKG K550 Impressions and Discussion Thread!

    One of the reasons why K550 -- or any headphone -- sounds the way it does is because of the work of Fletcher and Munson. The frequency response curve of any decent headphone isn't a straight, flat line because we know that human beings perceive certain frequencies as being louder than others...
  12. ratinox

    The AKG K550 Impressions and Discussion Thread!

    We don't fully understand why the human brain works the way it does but that's something different from how sound works which is quite well understood. We've understood it for going on 80 years. I point at the work the many engineers at Bell Labs in the 1930s. For example, Messrs. Fletcher and...
  13. ratinox

    The AKG K550 Impressions and Discussion Thread!

    This is not "black". Black when describing sound means silence, as in no amplifier or other equipment noise. When the music stops and you hear nothing? That's black. What you've described is something else. It's called sound localization. It's all in your head. Literally. I can do that with any...
  14. ratinox

    Koss Pro DJ 100 - The Budget King

    Ear size and shape. I can't get a decent fit with the stock pads either on-ear or over ear. My ears protrude too much. Foam or felt tends to absorb high frequency sounds as they pass through the material. You need a fair thickness or density of material to have an appreciable effect, but too...
  15. ratinox

    Koss Pro DJ 100 - The Budget King

    tdock really didn't like K55x: http://www.head-fi.org/t/571216/koss-pro-dj-100-the-budget-king/660#post_8534227 I like K55x more than he does but... it has some problems. While K551 is marketed as a portable headphone (in-line iThing controls and all) it's not really portable. It's huge, which...
  16. ratinox

    Koss Pro DJ 100 - The Budget King

    Speaking of Amazon, I was ordering some other stuff today and I decided to take a chance on the SRH1540 pads. I should have them in about a week -- free shipping for the eventual win.
  17. ratinox

    The AKG K550 Impressions and Discussion Thread!

    According to solderdude, K551 is "basically almost an K550 but with a mic and remote added in the cord, slightly different colour scheme and shorter cable (intended for portable usage)." Ask Google about him and K551 and you'll find his measurements.
  18. ratinox

    Koss Pro DJ 100 - The Budget King

    Could be. I typically hit amazon.com to get a baseline for a good price for things. Right now, HD660 is $73 + $5 shipping. ProDJ100 is $43 + free shipping so yeah, the Superlux is about twice the price before buying M50 pads for the DJ100. If you want to start doing pad swaps, genuine M50 pads...
  19. ratinox

    Koss Pro DJ 100 - The Budget King

    And costs twice as much as ProDJ100 -- before swapping pads. But I refuse.
  20. ratinox

    Koss Pro DJ 100 - The Budget King

    If by budget Superlux you mean the 668 and the 681 then I don't think it's fair to make that comparison. ProDJ is a closed headphone; Superlux 668 and 681 are semi-open headphones. They're in different categories as far as I'm concerned. Apples and oranges.
  21. ratinox

    Koss Pro DJ 100 - The Budget King

    Having someone remove a fixed cord and replace it with a stereo jack is worth about $25 for time and labor, and the jack itself is about two bucks. That's what Darius at Q Audio in Cambridge charged me for doing this to my K551. So I figure if you'd pay around $45 for DJ100 then $70 for DJ200 is...
  22. ratinox

    Koss Pro DJ 100 - The Budget King

    No problem. Specifically the low frequency noise. Though, this isn't isolation; it's masking. Just being picky. :) Or go active cancelling. Active noise cancellation works well with droning, low frequency noise. This is the one area where I suggest Bose. Their sound quality isn't spectacular...
  23. ratinox

    Koss Pro DJ 100 - The Budget King

    Which part of "take it with a salt lick" from my post about Mikros 90 and HK CL being junk failed to convey that it is my opinion?
  24. ratinox

    Koss Pro DJ 100 - The Budget King

    Duh? How is that any different from what everyone else posts on head-fi?
  25. ratinox

    The AKG K550 Impressions and Discussion Thread!

    Yep, I was missing something obvious. The other way I know to shorten a cord is chaining slipknots but that's knots and I wouldn't do that with anything electrical.
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