Beyerdynamic DT1770 Pro

Discussion in 'Headphone Measurements' started by ultrabike, Oct 28, 2015.

  1. ultrabike

    ultrabike Measurbator - Admin

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    Gelocks has done it again! :bow:

    DT1770 Pro in da house. These cans look awesome. They are a little heavier than I expected and that's probably because the headband seems to be made of spring steel (instead of aluminum). The whole headphone has been Batmanized in black. One gets to pick what kind of pads to use: velour or thick leatherette. The edge of the cans have a small "tooth" that facilitates pad interchange.

    The headband is well cushioned and fairly comfortable. The interior of the cups is roomy and isolates relatively well. Not much to complain about aesthetics.

    [​IMG]

    These cans are somewhat tight though, and overtime one may develop some fatigue.

    So how about the sound? :Violin:

    These are not as bright as the DT990, but they are not precisely laid back in the lower treble and the mids are pretty weird. They are bassy cans, but bass is IMO not clean nor articulate. Something is up with this "Tesla" driver technology that is not working out.

    Beyer says "A triple-layer compound membrane in the DT 1770 PRO reduces unwanted partial vibrations to allow a previously unknown level of brilliance in the reproduction of overtones" >reference<. IMO they need to tame those unknown levels of brilliance. These are also a bit edgy.

    Beyer states THD is < 0.05% (1 mW / 500 Hz). I get about < 0.3% (90dBSPL / 500 Hz).

    These are selling for like $600. IMO, for $75 the Takstar Pro80 is not only cheaper, but better in almost every way (better extension, less wonky, less edgy, sounds better, more comfy).

    Measurements

    Frequency Response

    DT1770_fr.png

    Distortion Right Velour

    DT1770_dist_vel_right.png

    Distortion Left Velour

    DT1770_dist_vel_left.png

    Distortion Right Leatherette

    DT1770_dist_ple_right.png

    Distortion Left Leatherette

    DT1770_dist_ple_left.png

    CSD Right Velour

    DT1770_csd_vel_right.png

    CSD Left Velour

    DT1770_csd_vel_left.png

    CSD Right Leatherette

    DT1770_csd_ple_right.png

    CSD Left Leatherette

    DT1770_csd_ple_left.png

    Comparo with Takstar Pro 80
    green: DT1770 velour, red: DT1770 letherette, yellow: Takstar PRO80

    DT1770_vs_TakstarPro80.png

    Distortion in % here:
    http://www.superbestaudiofriends.org/index.php?threads/beyerdynamic-dt1770-pro.384/page-3#post-21278
     
    Last edited: Dec 13, 2015
  2. Judeus

    Judeus Facebook Friend

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    that 4k-6k looks awfuly familiar to the hd800 :confused:
     
  3. ultrabike

    ultrabike Measurbator - Admin

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    I no like these cans (SQ). But they do look awesome.

    They also seem to have some propensity to distort in the mids.
     
  4. kapanak

    kapanak Canucklehead - Friend

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    Beyer clearly needs to ditch the Tesla crap. Not one good thing has come out of Beyer since introduction of Tesla. At some point somebody on the engineering team said they want sharp and incisive sound signature, but all Beyer Tesla lineup are doing that treble is what they are after totally wrong.
     
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  5. Judeus

    Judeus Facebook Friend

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    the whole tesla thing was just a response to the hd800 to be honest, it seems like they just rushed something to market to compete in that market. still looking forward to seeing the t1v2 measurements though, hopefully marv gets it soon
     
  6. kapanak

    kapanak Canucklehead - Friend

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    And I'm guessing they poured a whole ton of money into it, so now they can't just drop it and move on. I owned the T5p once. I returned it one week after. It quite literally would give me headaches to listen to.
     
  7. ultrabike

    ultrabike Measurbator - Admin

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    Yes. Not a lot of full size stock Beyers I like.
     
  8. Judeus

    Judeus Facebook Friend

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    [​IMG]
     
  9. imackler

    imackler Key Lime Pie Infected Aberdeen Wings Spy

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    And.... One more closed back headphone i won't be trying!
     
  10. Klasse

    Klasse Friend

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    Great job! Thanks!
     
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  11. ulikmadik

    ulikmadik Rando

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    Looks like they could be great if you EQ'd out the huge dip in the mids, but $600? No thanks.
     
  12. ultrabike

    ultrabike Measurbator - Admin

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    Hard to equalize dips. They may be a little positional dependent, and raise distortion if adding a gain. Note the mids already have a bit of distortion as it is.
     
  13. TMRaven

    TMRaven Friend

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    Yeah. Ideally you want to get a headphone with as smooth a response as possible with effortless bass and treble extension with low distortion, then EQ it.

    This headphone is a mess. Shows severe cup coloration with the huge lower mid-dip.
     
  14. Koloth

    Koloth Klingon SBAF Ambassador - Friend

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    Well I guess i dodged that bullet. Back to thinking about the Shure SRH-1540 for a portable, closed set.
     
  15. imackler

    imackler Key Lime Pie Infected Aberdeen Wings Spy

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    If you want the SRH-1540, I got a pretty good price emailing [email protected] . They're the same company as RecycleBiz on ebay. Sorry for the off-topic.
     
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  16. MrTie

    MrTie Friend

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    Had a chance to hear these recently at a meet. I liked them(I like beyers though), but to me they sounded like a solid $250-300 headphone , not $600.
     
  17. Deep Funk

    Deep Funk Deep thoughts - Friend

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    That dip looks awful. Who thinks of this?
     
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  18. ultrabike

    ultrabike Measurbator - Admin

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    I have :D

    Check out the Takstar Pro 80. It may not be your cup of tea, but I liked it much better and it's cheaper (w cheaper materials though). Similar design, except the Takstar cup is not exactly a cricle.
     
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  19. ultrabike

    ultrabike Measurbator - Admin

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    Both the Takstar Pro 80 and the DT1770 are actually not my favorite headphones. But if one likes an approximate of what the DT1770 provides then the Takstar should deliver better performance IMO.

    That said, to me both are a bit edgy in the treble. Both of them are somewhat bassy. I would say the DT1770 are a little more weird, even considering that the Takstar Pro 80 I heard had a little channel imbalance.

    It's not necesarily that they are forward or analytical. They are just a bit artificial. The DT1770 more so.
     
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  20. ultrabike

    ultrabike Measurbator - Admin

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    The Takstar is about $70. If you like and the original owner of the Takstar likes, it maybe possible to coordinate a loaner on it. (shut, just realized you are in Australia)

    It's sometimes remarkable how similar the Takstar line is to the Beyer line. Sound is similarlish as well, though I preferred the Takstar sound to the Beyers I heard (even if I really didn't like the Takstar that much).
     
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