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  1. UltraBird

    Etymotic Mc5 AccuChamber Side Branch Diagram; Acoustic Sound Tuning

    When I refer to “inductance”, I’m referring to L2, which is the acoustic pipe connecting the main canal to the acoustic side branch. Apparently (I know a bit about electronics but I’m learning about acoustics as I go), pipes impede transmission of high frequency sound pressure oscillations...
  2. UltraBird

    Etymotic Mc5 AccuChamber Side Branch Diagram; Acoustic Sound Tuning

    Quote:   To expand a bit on this: I don’t know how confusing the symbols are meant to be, but they are referencing an electronic circuit directly analogous to this acoustic cavity. The circuit shown is an inductor (coil L) in parallel with a resistor (zig-zag R) and a capacitor...
  3. UltraBird

    Battle of the sub $100 headphones with iPhone controls

    Consulting with ljokerl’s incredible Multi-IEM review, it seems that the Etys best the Apples and Klipschs in sound quality. I then consulted some comparison threads to conclude that the Etys will also likely sound better than the Bose, UE, and Sony options.   Thus, the Etymotic mc3 looks...
  4. UltraBird

    Battle of the sub $100 headphones with iPhone controls

    How do you guys narrow the field down when you have so many options, all at about the same price?   I’ll add a pair of Sony’s I hadn’t previously considered to the list… now I have:   Apple In-Ear Headhpones (dual driver) Bose MIE2i Etymotic Research mc3 Klipsch Reference S4i...
  5. UltraBird

    Battle of the sub $100 headphones with iPhone controls

    Quote:   Sorry, I wasn’t able to find the listing you’re referring to, but I doubt that someone is selling a new XBA-3iP for less than $100 .
  6. UltraBird

    Battle of the sub $100 headphones with iPhone controls

    Bump, please. All feedback is useful, and I’m sure there are plenty of people with similar needs to me on this one. 
  7. UltraBird

    Battle of the sub $100 headphones with iPhone controls

    Hi everyone,   I always like to keep a pair of sub-$100 in-ears for use on the go, straight from my iPhone. I like to keep the price low since they inevitably get trashed over a year or so of daily use, and I need an in-line mic and playback controls. After browsing around, I think I’ve...
  8. UltraBird

    Closed for rock, < 250$

    Ultrasone PRO-750 Foldable DJ Studio Headphones PRO750 - eBay (item 270482826126 end time Jan-08-10 13:08:01 PST) Pretty good price for some Ultrasone PRO 750s.
  9. UltraBird

    Try listening to this on your full sized cans

    Considering the guy is monitoring on PRO 750s, I suppose that's a good place to start. To my ears, it's absolutely delicious. Tip: append &fmt=18 to the end of any non-HD YouTube URL to get a slightly better audio (and video) track. This code directs you to the H.264 version intended for the...
  10. UltraBird

    Updated: HifiMAN HM-801 Portable Music Player Preorder

    "6. How will UI be like? UI will be similar to an ancient ipod. " I love your honesty. My RE0's are great, by the way!
  11. UltraBird

    Give Away: New Top IEM RE252

    As a long-time RE0 lover--and someone who has suffered through several unsatisfying pairs of IEMs before discovering Head-Direct--I would love to audition your latest offering. As a student on a shoestring budget I won't be able to justify buying a new pair of headphones, so the only way I...
  12. UltraBird

    Best sub-$100 IEM's?

    I got the RE0 and it's exactly what I need. Extremely detailed, even when compared to my PRO 750s. Very nice balance, if a smidge bass shy (but I'm not a fan of boomy bass to begin with). These are definitely IEM's for the audio purist--I feel as though I am plugged directly into the audio file...
  13. UltraBird

    Best sub-$100 IEM's?

    After some digging around, it looks like the RE0 blows pretty much everything else in my list out of the water. Right now they look like my best option! Anyone else want to chime in on this?
  14. UltraBird

    Best sub-$100 IEM's?

    I was more hoping there might be someone out there who has actually heard all / most of these and could offer some insight into their relative merits as opposed to a list of preexisting threads easily accessible to me via the search function. Thanks, mwv2, for your insight. I'll definitely...
  15. UltraBird

    Best sub-$100 IEM's?

    Hey there, I'm looking for a pair of IEM's under $100. Right now I'm considering: Ety ER6i Ety HF5 UE SuperFi 4 Shure SE210 Shure SCL4 Any opinions/suggestions? Thanks!
  16. UltraBird

    headphone brand elimination game!

    AKG Acoustics 12 Audio-Technica 10 Behringer 10 Beyerdynamic 12 Bose 6 Denon 10 Fostex 10 Grado 9 JVC 9 Koss 9 M-Audio 10 Panasonic 10 Philips 10 Pioneer 10 Roland 10 Sennheiser 12 Shure 9 Stax 11 Sony 10 HURT [Sony sells a few great expensive headphones, and everything else is...
  17. UltraBird

    How do I detect slight speaker damage?

    Nice music choice Theoretically, if gain is your problem, the distortion should be present at any volume level. However, it may be that at such low volume levels you just aren't hearing the distortion. I'd recommend you try the same tune out on another pair of headphones to be sure--if the...
  18. UltraBird

    How do I detect slight speaker damage?

    The amps in many DAP's, including the iPod line, overdrive easily if a particular song has been mastered/encoded with high gain. This effect can be exacerbated by use of the equalizer, which further boosts certain frequencies. To determine whether the amp is indeed the problem, choose a song...
  19. UltraBird

    Best Cable Adapters (Do adapters affect the sound)

    Quote: Originally Posted by dcpoor go get the sennheiser one, it's ~$5 + shipping. x2
  20. UltraBird

    Best Closed Cans $100-$150: Audio-Technica vs Equation vs M-Audio vs Ultrasone

    Quote: Originally Posted by Zathan Lots of choice indeed. I'm still not sure what to get. I really want to be satisfied with my next pair of headphones I have the 750s now, and they work wonderfully. They are, obviously, well above the price range noted in this thread but man...
  21. UltraBird

    Best Closed Cans $100-$150: Audio-Technica vs Equation vs M-Audio vs Ultrasone

    I had a change of heart: I decided to sell off my K 240's, killing two birds with one stone with the Ultrasone PRO 750s. They serve the purpose of portable cans for which I started this thread, and they make a nice upgrade to my at-home set as well. Ohh.... my wallet...
  22. UltraBird

    Ultrasome PROline: same as PRO?

    Hi all, I'm shopping around for a pair of Ultrasone PRO 650s. When I look online, I see some of the "PROline 650"s still for sale for about $15 cheaper. From the looks and specs of it, it appears that when Ultrasone switched to the "PRO" branding, they simply changed the name on the top of the...
  23. UltraBird

    PRO 650 unamped?

    Quote: Originally Posted by aamefford 75 Ohm is not "abnormally high." As stated above, the 750's are fine out of an iPod. My HD 580's (300 Ohm? anyway, much higher than 75 ohm) are also ok out of an iPod, though much nicer out of an amp that does them justice. I suspect the 650's will...
  24. UltraBird

    PRO 650 unamped?

    Quote: Originally Posted by NiceCans I often use my Proline 750 straight out of my RiO Karma or my Zen Xtra with very good results . . . hardly miss the amp. Alas, the 750 has 40 Ohm impedance while the 650 is at 75... I don't understand why the 650, which is at the price I'm...
  25. UltraBird

    PRO 650 unamped?

    Would the Ultrasone PRO 650, with its 75 Ohm impedance, be capable of working well with my iPod Touch 2G, or would I be better off with its sibling the HFI 550? I realize I won't be getting the SQ I would get from an amp, but when I'm not at home I'll be using these from the iPod. Thanks!
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