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Sony MDR MA 900 (new release from Sony)

Discussion in 'Headphones (full-size)' started by fusionramjet, Apr 3, 2012.
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  1. HalidePisces
    http://www.head-fi.org/t/654161/review-comparison-ath-ad900x-vs-ath-ad1000x-vs-mdr-ma900-its-still-over-900
    You might want to fix the MA900/AD900X review link... though I did enjoy reading your earphone review. :)

    Anyway, I got a MA900 to play with at the moment. One thing I want to ask to people who own the MA900, is it just me or are these headphones much harder to drive than their specs would imply? The MA900 seems significantly quieter than my other headphones (closed HD669, semi-open MDR-XD200, open ATH-AD900) at the same player volume level. I had expected them to be the other way around given its high sensitivity and ludicrously low impedance. Is this normal or is there something wrong with the one I have?
     
  2. RMiller
    I don't think it's just you. I have Asgard 2 and first tried it with the switch on low gain, but they were pretty quiet and I had to crank up the volume to a half almost. Now I'm always using them with the switch on high gain :)
     
     
  3. giraffe
    Quote:
     
    I think this is because the MA900 has a resistor in line before the driver. At least one person has removed it: http://www.head-fi.org/t/637168/sony-ma900-resistor-mod
    I personally haven't done this, and would hesitate to do so, since unless the headphones had a completely flat impedance by frequency curve, this would certainly alter the sound signature, and I like them too much already!
     
  4. MrTechAgent
    I am ordering these in a month after my first semester.
    I have heard the the bass for being a open headphone is quite unmatched , of course thanks to the 70mm driver :)
     
    Kaldas Research Stay updated on Kaldas Research at their sponsor page on Head-Fi.
     
    https://www.instagram.com/kaldasresearch/ http://kaldasresearch.com/
  5. eyal1983
    I just got them
    the bass is not overpowering, while is not anemic.
    the mids are forward somehow, vocals sound amazing.
    the treble is not fatiguing at all, probably because they are not bright (more like neutral-dark)
    the comfort is amazing...
    SQ-wise, I'm using them out of my 42$ HiFiMeDIY USB DAC/AMP (ES9023 + 2.2v output voltage)
    there's absolutely no need for a stronger amp. than that !
     
    In summary,
    I utterly and completely fell in love with them (especially, their mid-range :))
     
  6. DrikTheTroll
    Quote:
     
    Certainly, they are no easier to drive than ATHM50s (38 Ohm). The 12 Ohm impedance listed for the MA900s does not seem to mean much.
     
  7. DrikTheTroll
    Quote:
     
    The bass is on the MA900s is certainly present, but it lacks impact unless EQed.
     
    Put a bit of a bass boost on it, and they do quite well across a wide variety of music styles - include bass-heavy styles like EDM.
     
    That said - these aren't basshead headphones, they aren't closed, they aren't LCD-2s.
     
    They are: a fantastically comfortable headphone that you can listen to for 8 hours+ with zero comfort or fatigue issues.
     
  8. MrTechAgent
    Of course I was not expecting the bass being even close to a closed set of cans or PM's but still.
    Cannot wait 2 months to go :)
     
    Kaldas Research Stay updated on Kaldas Research at their sponsor page on Head-Fi.
     
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  9. DrikTheTroll
    Quote:
     
    I think you are going to really like them - in my view the whole package that the MA900 brings is seriously underrated - they get 90%+ of my headphone time.
     
  10. MrTechAgent
    Oh.
    You did a good job of reminding me that I still have to wait for 2 months :p
     
    Kaldas Research Stay updated on Kaldas Research at their sponsor page on Head-Fi.
     
    https://www.instagram.com/kaldasresearch/ http://kaldasresearch.com/
  11. astroid
    Just picked up a pair for a great price, pretty excited tbh , do these need an amp? I have one but sometimes like to just use my mp3 player on the porch.
     
  12. mgunin
    Quote:
     
    It's good that they can play from almost any player. However, they will definitely benefit from the proper amplification. I've read a number of good opinions regarding their pairing with FIIO E17, so this is the budget option that comes in mind.
     
  13. DrikTheTroll
    Quote:
     
    Mine sound significantly better running off a JDS Labs CMoyBB than my laptop.
     
  14. kman1211
    I keep wondering why these things are said to have poor build quality, they obviously have a fair amount of metal in their construction and are well made, the arms, yokes, and grills are metal. They fee; quite solid in my hands, sure it flops around a bit due to thin construction, but it is well built, it's a mixture of metal and plastic and the plastic is of a better quality. They are like my K240, a bit flimsy feeling and flop around a bit, but well built. The only thing I wish that it had is a removable or a thicker cable on the MA900, but regardless I feel very confident about their build quality.
     
  15. DrikTheTroll
    I agree - but I do see why people could assume the build quality is poor.
     
    The headband and support arms are extremely minimal in comparison to the drivers, and they are made of plastic. It reminds of a large-breed puppy dog - some things just look out of proportion.
     
    This is all part of their inherent design which focuses on light weight and comfort.
     
    Love the MA900s.
     
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