Beyerdynamic DT-1770 Mod Thread

  1. aaronbrownsound
    Magickman, covering the bass port did wonders for the bass so far. Thanks so much for sharing!
    I am now using the DT1770 headphones for recording purposes and isolation. I initially found the mids recessed, highs too subdued and low end too powerful.
    I ended up using leatherette pads for the best isolation, blu-tack to cover 70% the bass ports and removing the foam inserts. It's as neutral as I've gotten it with leatherette pads.
    Also, it sits best on my head with the L on 3 notches and right on 1 notch for some reason.
    Hope this helps someone else wanting a more neutral and forward sound with these.

    I tried removing the foam, which did improve the high clarity, but then the mids became so recessed in contrast that the tonal balance was way off IMO.
    So far, the best sound I've gotten is by covering the bass port with blutak right around 50% and leaving the pads in. At least this way the bass isn't drowning out the mids.
    Granted, I did all this today so my ears may need time to adjust to these things.
    Hope for a more neutral sound in these, but they seem more tuned towards pleasing and smiley curve usage so far. The stock bass is absurdly high with pleather pads!
    Last edited: Aug 27, 2017
  2. hyperwired
    Long time lurker here, I'm used to my Audeze LCD3, so on the DT-1770 Pros as a cheaper closed option for work, while I expected it to be a lot more analytical, I did expect it to have a bit of fun, and got it mostly, but I felt that the mids were a bit on the dry/flat side.

    I didn't go "all in" - I only removed the black foam pads. After doing this, the mids really did open up considerably and made it a bit warmer and more fun/dynamic. I went from considering returning/selling these to absolutely keeping them. The mod did encourage a very slight amount of EQing, mostly on reducing v slightly the treble side for me, since I am used to slightly darker sound signatures - but I expect for many people it will not require any EQ at all.

    I fully recommend everyone with these phones to try the first stage of this mod, which is absolutely transforming, and fully recoverable. It makes the phones more fun to listen to, while preserving all the detail.

    Thanks for the thread @TwoEars :beyersmile:
    Last edited: Dec 4, 2017
  3. Blinxat
    I got the DT1770 today and find the vocals at lower volumes to thick and rumbly. The old DT770 sounds much brighter to me.

    I will try with a bright source. But these seem a little rolled off to me in the high treble, where DT700 needs reduction in EQ from 10khz to 16khz the DT1770 could use a boost to my ears.

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