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New HTC One M8 audio review - Page 19

post #271 of 873
This all makes me curious about getting another output impedance measurement.
post #272 of 873
Quote:
Originally Posted by Darkseth View Post
 

I dont really believe these 9 ohm output impedance.

 

I am using the UE 900 (4-driver BA), and used them on a Galaxy S3 (2 Ohm~). Now on my One m8 i dont really hear much of a difference, especially not in tonality.

I cant imagine the output impedance beeing more than 3-5 ohm, or even lower than that.

 

Also, on my Asus Phoebus (Texas instruments Amp, which has about 10 Ohm output impedance) i hear more difference in the sounding.

 

The ue900 usually get lower sub-bass volume level the higher the output impedance.

It has noticable lower subbass, than on the M8. The output impedance must be a bunch lower than 9-10 ohm.

 

So, i personally will ignore that, untill i see more independant measurements from others.

 

Anyway, i have ZERO complains, letting my One m8 drive the ue 900 properly.

 

(Edit: Or i am lucky, and the tonality changes due to 9,4 Ohm output impedance instead 0~ are on the ue900 so tiny, that its almost not hearable)

May be the chinese unit is different in that regard.

 

Judging by gsmarena graph impedance should be no more than 2.

 

whenever i can i'll listen to a EU M8 with my UM3x to assess the tonal balance.

post #273 of 873

A noob here.

Can I use e07k's DAC with m8, via usb to usb? Is USB audio supported in m8?

Thanks.

post #274 of 873
Quote:
Originally Posted by aditya987 View Post
 

A noob here.

Can I use e07k's DAC with m8, via usb to usb? Is USB audio supported in m8?

Thanks.

It will, my E17 worked out of the box

post #275 of 873
Quote:
Originally Posted by elfary View Post
 

May be the chinese unit is different in that regard.

 

Judging by gsmarena graph impedance should be no more than 2.

 

whenever i can i'll listen to a EU M8 with my UM3x to assess the tonal balance.


Hmm yes, that can be true.

The Chinese Galaxy S3 also measured 3,45 ohm (3.96 Ohm~ or so for the LTE model), while 1 User in a german audio forum (www.hifi-forum.de ) measured 2.0 Ohm on the european Galaxy S3.

 

GSM arena doesnt measure the output impedance i think, and they dont test with BA inears, only with a full size AKG Headphone (sadly they dont say which exactly i think..)

post #276 of 873

Hi everyone!

 

I have HTC One M8.

 

I have an audio crackles (mostly in left channel) while i`m listening music  through my wired headphones Sennheiser HD 280 Pro (64 Ohm) or Beyerdynamic DT 770 Pro (80 Ohm).

 

With wired Sennheiser CX 300-II (16 Ohm) or bluetooth Plantronics BackBeat GO 2 the sound is OK.

 

Who experienced the same issues?

post #277 of 873

Has anyone tried the stock earphones, are they any good? 

post #278 of 873
Quote:
Originally Posted by Maxgrush View Post
 

 

I have an audio crackles (mostly in left channel) while i`m listening music  through my wired headphones Sennheiser HD 280 Pro (64 Ohm) or Beyerdynamic DT 770 Pro (80 Ohm).

 

I don't really know but I'd like to offer my anecdotal experience.

 

I've got my own M8 now, but I went through a really long decision process, and auditioned my "candidates" multiple times. I went to different stores on different days, on one day I heard no hiss from the M8 at all, the other day I got the same crackle you described. Not just from the M8, but also from the Nexus5.

 

I haven't been able to recreate this on the M8 I bought.

 

But on the day I got the crackle, I wore a fleece jacket... so I wonder if it isn't some kind of static electricity issue, perhaps the M8's more sensitive to them. Or maybe it's caused by the Qualcomm audio chip?

 

I'm waiting for a 7-day return period to lapse before I unwrap the stock earphones. Will try to give a subjective impression here when I do.

post #279 of 873
Has anyone got the chance to actually test the m8's audio against the z2's? Is there much of a quality different apart from the volume?
post #280 of 873
Quote:
Originally Posted by BF3 Player View Post
 

Has anyone tried the stock earphones, are they any good? 


The earphones that came with my Verizon M8 had way too much bass, IMO. It overshadowed the mids. Too bad, because they were reasonably clear otherwise.

post #281 of 873
Quote:
Originally Posted by RickB View Post
 


The earphones that came with my Verizon M8 had way too much bass, IMO. It overshadowed the mids. Too bad, because they were reasonably clear otherwise.

Interesting, I still haven't open my stock earphones, been using my old Klispsh S4A instead and found the bass lacking. Maybe I should give these stock earphones a try. 

post #282 of 873
Quote:
Originally Posted by BF3 Player View Post
 

Interesting, I still haven't open my stock earphones, been using my old Klispsh S4A instead and found the bass lacking. Maybe I should give these stock earphones a try. 


I have an old S4i, which I remember being very bassy. I think the M8 earphones have stronger bass.

post #283 of 873

I broke down and unpacked my HTC earbuds today :tongue: and I've been burning them in.

 

It's gonna take a while to reach a semblance of conclusion, but I want to say that the heavy bass is not unusual in any way, it's just an industry trend. Tthe earbuds Sony packs with their phones (the MH750) is just as thumpy. At first listen they both make you think they're surprisingly decent & surprisingly isolating too. But the actual mileage you get out of them, well... we'll see. :tongue_smile:

 

In a world where the bar for cheap earbuds has been raised beyond recognition, I wouldn't say either pair is a revelation. Will report back if there's any "development".

post #284 of 873
The crackling is a very real phenomenon, still no real explanation for it, other than HTC having overdone their amp section...

Can be remedied by lowering gain by 6db.

On the bright side, I liked the overall tone of the M8, but couldn't handle the distortion, so ended up with the FiiO X5, couldn't be happier smily_headphones1.gif

Crackling does NOT (logically. but worth pointing out) affect USB audio...
post #285 of 873
Quote:
Originally Posted by heatofamatch View Post
 

I broke down and unpacked my HTC earbuds today :tongue: and I've been burning them in.

 

It's gonna take a while to reach a semblance of conclusion, but I want to say that the heavy bass is not unusual in any way, it's just an industry trend. Tthe earbuds Sony packs with their phones (the MH750) is just as thumpy. At first listen they both make you think they're surprisingly decent & surprisingly isolating too. But the actual mileage you get out of them, well... we'll see. :tongue_smile:

 

In a world where the bar for cheap earbuds has been raised beyond recognition, I wouldn't say either pair is a revelation. Will report back if there's any "development".


I'm using PowerAmp, and I find if I have the tone control on with the treble turned up, that the stock earbuds sound pretty good. Still too much bass for a quiet room, but the bass works well when out and about in public. On a noisy bus, for example.

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