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Sennheiser HD 600 Impressions Thread - Page 565

post #8461 of 9642
Quote:
Originally Posted by StanD View Post
 

 

 

Nope. See my my response, just prior to this post.

http://en-uk.sennheiser.com/best-audio-headphones-high-end-stereo-hifi-hd-600

 

Check the Technical data

post #8462 of 9642
Quote:
Originally Posted by Tuco1965 View Post
 

http://en-uk.sennheiser.com/best-audio-headphones-high-end-stereo-hifi-hd-600

 

Check the Technical data

I got my information directly from the product sheet, not from a web page that someone non technical simply typed in. One of the two has to be wrong. In either case even if at 97 dB/mW the HD600's are not insensitive as some may say.

Let's say that it is 97 dB/mW, which would be 102.2 dB/V or 200mW for 120 dB SPL at 7.7V RMS. I believe a  FiiO E12 can do that, a Schiit Magni at $99 USD can do that. Few people listen at average levels that require headroom that reaches 120 dB, especially if one listens to contemporary music that has moderate levels of compression (volume). If Sennheiser's product sheet is correct, you can download that using the link I previously provided, then it's pretty easy to drive. I've had an easier time driving my HD600's from numerous amps than I expected from reading all the posts saying that it is particularly hard to drive.

In any case you have to admit, these are great headphones.


Edited by StanD - 8/29/14 at 8:13am
post #8463 of 9642

I posted the link because that was the spl spec that I always knew.  

 

They are great headphones.  :bigsmile_face:

post #8464 of 9642
Quote:
Originally Posted by Tuco1965 View Post
 

I posted the link because that was the spl spec that I always knew.  

 

They are great headphones.  :bigsmile_face:

That's a biggie that's not contestable, great headphones.

post #8465 of 9642

And i am almost sure that The booklet of my HD600 say : 97dB/mW :blink: , but it's at my friend house so i should cheak it with him later , futhermore when i had  DT-880 250 ohms i didn't have to ajust the volume pot , it was close enough volume wise) so i think that the HD600 sensitivty is something around 97 dB/mW or 102 dB/V as i posted before .

 

I think that the product sheet is wrong :redface: .

 

Let's look at innerfidelity numbers :

 

http://www.innerfidelity.com/images/SennheiserHD600.pdf

http://www.innerfidelity.com/images/SennheiserHD598.pdf

 

 

If HD600 sensitivity was 112 dB /V to reach 90 dB we should need something like : 0.08v 

With 102 dB/V for 90 dB we get about : 0.25v

 

(wich is much closer to innerfidelity numbers) .

 

 

 

Anyway even with 97 dB/mW of sensitivity my HD600 is easy to get loud (and sound good with any sources that i have) .

 

At least everyone agree here that HD600 is awesome :bigsmile_face: 


Edited by HaVoC-28 - 8/29/14 at 8:50am
post #8466 of 9642
Quote:
Originally Posted by StanD View Post
 

That's a biggie that's not contestable, great headphones.

 

Mine are going to get a workout tonight. New Tom Petty and New Eric Clapton and Friends.  Damn good!

post #8467 of 9642
Quote:
Originally Posted by HaVoC-28 View Post
 

And i am almost sure that The booklet of my HD600 say : 97dB/mW :blink: , but it's at my friend house so i should cheak it with him later , futhermore when i had  DT-880 250 ohms i didn't have to ajust the volume pot , it was very close volume wise) so i think that the HD600 sensitivty is something around 97 dB/mW or 102 dB/V as i posted before .

 

I think that the product sheet is wrong :redface: .

 

Let's look at innerfidelity numbers :

 

http://www.innerfidelity.com/images/SennheiserHD600.pdf

 

http://www.innerfidelity.com/images/SennheiserHD598.pdf

 

 

Anyway even with 97 dB/mW of sensitivity my HD600 is easy to get loud (and sound good with any sources that i have) .

 

 

At least everyone agree here that HD600 is awesome :bigsmile_face: 

So either way it's loud or even louder. I can go with that. :wink_face:

post #8468 of 9642
Hmmm i opened my HD600 manual and the specs say sensitivity at 1 kHz is 97dB...

So the manual is wrong I guess?
post #8469 of 9642
Quote:
Originally Posted by kaixax555 View Post

Hmmm i opened my HD600 manual and the specs say sensitivity at 1 kHz is 97dB...

So the manual is wrong I guess?

 

HD650 are at 102dB, according to spec sheet. And it's a known fact, they're slightly more sensitive, than HD600. So 97dB looks like a right number.

post #8470 of 9642

Interesting is that with my LCD-2 while being much less sensitive (93dB), I'm using the same volume pot range on my Asgard 2 (in low gain) as with HD650.

Probably it has something to do with much lower impedance as well (70 Ohm vs 300 Ohm).

post #8471 of 9642
Quote:
Originally Posted by kaixax555 View Post

Hmmm i opened my HD600 manual and the specs say sensitivity at 1 kHz is 97dB...

So the manual is wrong I guess?

Look at this link. http://en-us.sennheiser.com/downloads/92eb813de08987eaedf66b9777bd6bdc.pdf

I might call Sennheiser and ask them about it.


Edited by StanD - 8/29/14 at 9:49pm
post #8472 of 9642

97dB/mW is the important qualifier

 

Although unless I'm mistaken voltage sensitivity is closer to 102dB/V. Not sure where the discrepancy is coming from

post #8473 of 9642

I have sent the below message to Sennheiser at their USA website. Let's see how they respond. Since all other information on their websites say otherwise, perhaps their product sheet is in error.

 

The product sheet at http://en-us.sennheiser.com/downloads/92eb813de08987eaedf66b9777bd6bdc.pdf indicates the the HD600's sensitivity is 112 dB (at 1 kHz, 1 Vrms). Other parts of Sennheiser's web sites worldwide indicate a lower sensitivity of 97 dB/mW which is 102 dB/V. What is the correct specification? Please correct whatever information you have made available on Sennheiser's web sites. Thank you.

post #8474 of 9642

The STX arrived yesterday. It arrived broken. The sound is extremely faint with max gain and max volume. Same goes for the mic input, as well as the RCA output. Installed, and reinstalled drivers and use the uni drivers as well. Same result, no sound pretty much. I'll be powering my HD600's off an AVR when they come in today. :(

post #8475 of 9642
Quote:
Originally Posted by Sundown View Post
 

The STX arrived yesterday. It arrived broken. The sound is extremely faint with max gain and max volume. Same goes for the mic input, as well as the RCA output. Installed, and reinstalled drivers and use the uni drivers as well. Same result, no sound pretty much. I'll be powering my HD600's off an AVR when they come in today. :(

 

Sorry in advance for the obvious question, but have you connect the soundcard to the power supply? You need to push the molex plug in quite firmly and it's easy to think it's plugged in when it's not (at least with my card)

 

Also the usual - disable windows onboard sound in BIOS

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