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Question for Beyerdynamic DT 770 Pro Users

JKos

JKos

Oct 26, 2010
4,826
11,394
Surprise, AZ
#1
Hello,
After finally getting a new pair of DT 770 Pro 80 Ohm headphones*, I have a question for other users. Where the cable comes into the left earcup, it makes mechanical noise when the cable moves, i.e., when I move my head. It's completely audible in my left ear and really annoying.

I've exercised the strain relief gently and that did make it a little better, but still makes noise.

I'm guessing this isn't normal. Does anyone else have or had this issue?

Thanks,
John

* To replace the used pair I was first sent. Gross.
 
#2
There's also this, which doesn't seem acceptable. That's on the right earcup.
IMG_20200719_154711042.jpg

They do sound phenomenal.

- John
 
Last edited:
#3
JKos said:
Hello,
After finally getting a new pair of DT 770 Pro 80 Ohm headphones*, I have a question for other users. Where the cable comes into the left earcup, it makes mechanical noise when the cable moves, i.e., when I move my head. It's completely audible in my left ear and really annoying.

I've exercised the strain relief gently and that did make it a little better, but still makes noise.

I'm guessing this isn't normal. Does anyone else have or had this issue?

Thanks,
John

* To replace the used pair I was first sent. Gross.
Click to expand...
I’m not exactly sure what you mean by «mechanical noise».

Since the headphones go over your ears, any vibration the cable or other parts of the casing is subjected to will to some extent be transmitted to your ears. This is normal for all headphones. If it’s something you hear when the headphones are connected to a live audio source, but not when they’re unplugged, it’s not.

The screw on the earcup looks like somebody has tried to undo it with something like an Allen key instead of a Torx screwdriver.
 
#4
@JakobT ,
By mechanical, I mean not electrical as in nothing to do with a connection or wire. I completely understand certain things will be mechanically coupled such that they will be heard.

But not being able to move your head because the strain relief or strain relief to case interface makes noise is rather unacceptable.

What I'm really looking for is if anyone else who has DT 770s has this issue. Or is mine just a "one-off." I sent an email to Beyerdynamic support.

- John
 
#5
JKos said:
@JakobT ,
By mechanical, I mean not electrical as in nothing to do with a connection or wire. I completely understand certain things will be mechanically coupled such that they will be heard.

But not being able to move your head because the strain relief or strain relief to case interface makes noise is rather unacceptable.

What I'm really looking for is if anyone else who has DT 770s has this issue. Or is mine just a "one-off." I sent an email to Beyerdynamic support.

- John
Click to expand...
I do own a pair, and I do not have this issue.
 
#9
TotoBass said:
Hi,
May i ask if based on your experience, you would recommend the dt770 pro for daily practices (1-2h)?
Does the « sound accuracy » matches your expectations?
Thanks
Thomas
Click to expand...
Absolutely! I am very pleased with the sound accuracy and they are super comfortable. Playing bass through them is a very nice experience. The bass response has heft and depth without any hype.

Something I've noticed is that I can really turn down music yet still hear it in great detail. I've compared this aspect to the other headphones around the house (some cheap, some not) and the DT 770's just have something about them in this respect.

- John
 
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#10
Thank you for your replies.
I am actually trying to develop the sound (learning) playing bass, and in particular I noticed that playing a bit more loud my and with higher tune with my amp evidence more the progress to be done and help me working my fingers on both hands and there are lot of work to do... unfortunately I am not able to play loudly all the time So going through the different posts pointed out several models (especially Audio Technica atm 50x, Akg 240, Senheiser...) and I kind of notice that there is quite a consensus on the accuracy of the sound going out from the Dt 770 Pro (80 ohms). The cons was maybe the ear fatigue due to this « sound precision » which seems not to appear based on above experiences (probably more the consequence of more hearing/studio hours?). But I also read that the AUdio Tec was giving a sound near to amp/speakers output....
Now I have to make a choice...My readings lead me to the DT770 head phones as «trustworthy partner » for my practice. I don’t want to mislead this post but I would really appreciate your view if I should follow a different model/approach.

‘Thomas
 
#11
TotoBass said:
Thank you for your replies.
I am actually trying to develop the sound (learning) playing bass, and in particular I noticed that playing a bit more loud my and with higher tune with my amp evidence more the progress to be done and help me working my fingers on both hands and there are lot of work to do... unfortunately I am not able to play loudly all the time So going through the different posts pointed out several models (especially Audio Technica atm 50x, Akg 240, Senheiser...) and I kind of notice that there is quite a consensus on the accuracy of the sound going out from the Dt 770 Pro (80 ohms). The cons was maybe the ear fatigue due to this « sound precision » which seems not to appear based on above experiences (probably more the consequence of more hearing/studio hours?). But I also read that the AUdio Tec was giving a sound near to amp/speakers output....
Now I have to make a choice...My readings lead me to the DT770 head phones as «trustworthy partner » for my practice. I don’t want to mislead this post but I would really appreciate your view if I should follow a different model/approach.

‘Thomas
Click to expand...
As far as the «ear fatigue» goes, I’ve never experienced it. My advice would be to listen to all of the models you’re considering, and go for the one that suits you best, based on sound, comfort and construction. I feel that the DT770s deliver really well on all these fronts, and this is also borne out by their widespread use in recording studios where they face conditions a lot tougher than a bass player practicing at home. :)

That said, there may be other options that suit you as well or better, but only you can tell. As always, YMMV.
 
#12
Just in case anyone is still having problems with the DT770's.
If you have a larger head, the round "stops" on the plastic hinges will press up against the flange of the earcup. This will move slightly when you turn your head causing a creaking sound.
I had it in both ears, which was driving me crazy.
The solution was a dab of white lithium grease on each stop where they contact the flange.
I don't think WLG will cause an issue with the plastic, at least I hope not. And I'm not sure how long it will last, if the creak comes back, I might just cut the stops off, I'm not sure what their purpose is anyway.
All I know is after taking the headphones apart several times and doing various things with duct tape, rubber bands and zip ties (which did nothing). A dab of lubricant did the trick.
Otherwise the headphones almost sound too good. More than once I thought I heard a sound in my room only to realize it was something I was listening to.
 
#13
I'm glad the OP's headset issue was resolved. My guess is the jack or whatever holds the cable in the muff wasn't tight enough.

I was considering buying a set of BD770's but got confused in terms of which impedence set I needed. Subsequently during the confusion period I realzed the only thing that I didn't like about my Audio-Technica M50's was that the vinyl covering was peeling and so gave up the chase of the 770's. But I could see these being my next pair.

What do you guys know which version to buy? I used my headset in my hand-held devices, my computers and my amps. The impedence was something I didn't need to consider with my AT headset.
 
#14
If you use your phones in your handheld you should get 80ohms.
We actually have the 250 and the 80, bought the 250 first and the volume was really low in the consumer devices which we needed it to work with. So we got the 80, and the 80 works great in the consumer. But we kept the 250 because it sounded so much better than my AT phones, that I decided to use it in my mixer (which is semi-pro) but it sounds great in that. I've never done an A/B with the 250 and 80 to see if the 250 sounds better, I should do that someday.
 
#15
Psynge said:
If you use your phones in your handheld you should get 80ohms. I've never done an A/B with the 250 and 80 to see if the 250 sounds better, I should do that someday.
Click to expand...

You should definitely do an A/B and let us know what you think. I think BD also offers a 32 ohm 770. I didn't know how much impedence my AT M50's have, but I looked it up; 38 ohms. I never thought to check as my use for phones is limited to phone, iPad, laptop and amps. They seemed ok monitoring the sound coming from my MOTU M4.
 

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