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Eudemon

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Blog Entries posted by Eudemon

  1. Eudemon
    This is just my review of recent personal owned HD800, HE-400i, AD900X
    Since I have owned many other headphones currently and in the past, I feel that I should have a good taste of the audio world
     

    My desktop setup: P1 > M8 > VA2
    This is the SMSL stack consists of power supply, DAC and AMP
     

    Sennheiser HD800 was widely regarded as world's best consumer headphone when it was released
    Til today it is still considered by many, the best dynamic headphone in the world
    Sennheiser is known for making legendary audiophile headphones like HD600 and HD650
    despite those two being over 20 years old, many still recommend them as one of the best entry level
     
    Now back to the HD800 impressions
    The sound is crystal clear and accurate, use it to listen to music I have been listening for many time before and I would notice some details that I have never heard before
    Being a neutral headphone, suitable for almost any type of music
    No matter low, mid or treble, the headphone outputs amazing sound from whatever you throw at it
    This is very AMP picky headphone for very good reason, because it will show every single detail so having a bad source will give you same result (also poor recording as well)
    And I was skeptical when people told me you can hear the differences in bad recording VS master recording, I sincerely believe it now after listened to this phone
    even though you can drive it with your smartphone,but to get the best performance out of this pair of cans, you will need a dedicated setup
     

    HD800 A/B compare against HE-400i (It is not a fair comparison, more like if you upgrade here is the main difference you will get)
    First thing I noticed is HD800 opens up a huge sound-stage
    Despite both headphones are fully open back design, meaning if I talk to someone while having them on my head, I would be able to hear every single word like I am not wearing anything at all
    So in comparison, the HE400i sounds narrow
    both headphones have great charity but unlike the HE400i
    HD800 has very bright and energetic vocal
    In comparison, when female vocals reach their highest point, that impact is missing in the HE400i, while it is well presented in the HD800
    at high frequency it might be little piercing for some but it all comes down to personal preference
    In regard to this, I have to talk a little bit about myself, I love Japanese Anime and the shows are very much female voice centered
    when I watch anime with HD800, those brightness piercing female voices sound extremely satisfying
     
    At comfort stage, HD800 is little lighter than HE400i in terms of weight
    However when I put it on my head, the comfort level is not just a little
    this is due to overall design of HD800 that evenly distributes its weight with headband and earpads
    it doesn't have the huge clamping force like HE400i
    Normally with other phones, you eye glasses bands with be pushed against your head and fixed at one location
    but due to the large ear cup and small clamp force, I am able to adjust my glasses with them on, however the small force still present
    If I wasn't wearing glasses, I would totally feel like the headphone melts on my head
    In terms of dimension, even though both are full size headphone, but HD800 ear cups are wider and longer than the HE400i
    When I try to watch Anime while laying my back against the back of my bed with resting pillow, I often find the HD800 hitting the pillow
     
    For those of you interested in major change between the HD800 and newly released HD800S at the whopping price tag of $1799 (other than the color of course)
    1, the HD800S smooths out the somewhat piercing sound in the treble area
    2, Improvement over bass
     
    Some example tracks:
    虹の音 - 藍井エイル | Shirushi - LiSA : not sure if I can describe well, if you have heard both sounds, you would know the first song has a climax (high point) and there are two for the latter song, they sound very clear but not over piercing, HD800 reaches that highest treble at the exact right point before gets annoying
    My Treasure - 茅原実里 solo sounded as her voice bounce back in space
    So in the end, my favorite female vocal tracks sound very much alive and lovely satisfying
     

    Hifiman HE400i People would think entry level planar magnetic headphone is already mid-gear in audiophile headphones
    This is somewhat not true, at least to this date, Fostex has some sub 300 level planar cans that are beloved by modding community, although you can't find anything planar lower than that, that's why I said "somewhat", the price level is subjective after all
     
    HE400i A/B compare against AD900X
    Again, like the previous one, this is not very fair comparison because their price point is at different level
    The first thing I noticed is the big improvements over the low and mid range
    due to this sound signature, it is very good at genres like rock, jazz and male vocals
    Being a planar headphone, BASS of HE400i is in a huge lead does not come as surprise to me
    However, in contrast to the above difference, the highs of HE400i do not wow me
    It has very good clarity, but the female vocals sound flat, there is not particular bright point
    The sound stage is tight, especially after tried HD800
    In terms of comfort, I think the AD900X wins here by being a much lighter headphone
    as I didn't feel any clamp force from the pads
     

    Audio Technica AD900X is probably the best value phone at its price point
    Due to Japan's pop and Anime culture, most of the Japanese headphones I have heard have done a wonderful job on trebles
    Among all those Japanese headphone companies, Audio Technica still stands out to be the top in regard to special tuning for female vocals
     
    Like the HE400i, the AD900X is particular good at certain genre of music (e.g Anime, female vocal, Orchestra)
    Due to the nature of open back design, AD900X lacks bass
    The highs sound fun, but low and mid are medieval core
    Because the nature of its sound signature, AD900X can be little fatiguing when listen over long period of time
    In terms of comfort, I think the self adjusting headband has done an amazing job
    The headphone feels plastic, but it is understandable for this price range
    I don't recall I have notice any big difference in how large the sound space is between the HE400i and AD900X
    In other words, AD900X has very wide sound stage as one of the selling points for its price
     

    In the end, I have settled with my HD800, is it worth? you might ask
    All I can tell you is, this picture summarized my feeling when I put the cans on

     
    I am planing to purchase desktop VR, can't wait to combo it with the HD800
  2. Eudemon
    Today was a busy day, woke up early in the morning
    spent whole day doing presentation and exam plus my boss' "come to work" email spam, was about to head home and noticed car key was lost
    so I spent another hour running around the campus where I've been and asking the security guards, finally found it
    thank you so much to the anonymous person who turned it in (/ω\)
    btw this is my second time this year lost and found my key, the first time was dropped in the snow where I spent two hours to dig it out
    今天很忙, 大清早起来
    一整天在做演讲稿跟考试加上我老板的夺魂工作邮件, 当我要回家的时候发现车钥匙弄丢了
    于是又花了一个多小时走遍校园我呆过的地方,跟询问保安,最后终于找到了
    非常感谢那位陌生同学把钥匙交给保安
    附带一提,这已经是我今年第二次弄丢钥匙了,第一次是弄丢在雪地后来花了两个小时给挖出来OTL
  3. Eudemon
    Recently I tried with flash, but failed
    If I ever gonna go about changing the homepage, it will be responsive (meaning it will support tablets and smartphones)
    However, since there are limitations using our own framework, the homepage may (yes, may or may not) use a completely different stand alone page
    while the rest of the site remain unchanged
    Speaking of our own framework, I will try apply it to our music system once I have time, not sure about how it will go since the setup structure is so different (but, trying is better than not trying)
    The other issue we have is, the current home-page size is too big
    Although we have tab content for you to switch around views, but the content that was hidden are loaded when the page is loaded
    this slows down the overall speed
    to change this, I am thinking about using AJAX technology, which will display a type of block similar to what we have right now
    but all the other tabs except the main one will not load all at once, instead, it will only load when you click on it
    this, picks up the load speed dramatically
    P.S I have two jobs this summer, and now getting my third job, so busy XD
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