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Sennheiser HD 600 Impressions Thread - Page 253

post #3781 of 17673
Quote:
Originally Posted by imackler View Post

Exactly! I was looking for an upgrade to the O2, not a lateral. I think the Magni is more of a lateral, with some of the same weaknesses. I was wondering if there was an upgrade in the area of bass w/o spending much more than the O2. 

 

Isaiah - if you are looking for solid state and don't mind a combined dac/amp unit - then I would really recommend the NFB15.32 from Audio-gd.  Full bodied, very powerful, and really clean background.  I still regard it as one of the best value amp/dacs in the sub $250 range.  Has outputs so you can use the 15.32's dac only, and then add a tube amp of your choice.  Win-win.

post #3782 of 17673

the tube amp to add is the darkvoice336se,,, this baby singssss !biggrin.gif

post #3783 of 17673

For someone who already has an Apogee Duet (either Duet 2 or the newer model) and doesn't want another amp, the HD600 seems to me a very viable option. They sound splendid. 

Just like any other headphone amps mentioned here, it can be upgraded in pursuit of even better sound. But posts that tell Duet owners that they shouldn't consider buying an HD600 unless they buy another amp are way off the mark in my opinion. From what I've heard, I'd ENCOURAGE them to go for the HD600 and to enjoy the terrific sound.


Edited by wrightanswer@ear - 8/7/13 at 9:53pm
post #3784 of 17673
Using the iCan..i think it drives the HD600s beautifully, not to mention nifty analog based tweaks to the sound. I mostly use the default settings, but the 3D is useful when it gets fatiguing after hours of listening
post #3785 of 17673

+1 for the Lake People G013/G109. Plenty of power for nice, tight bass control and punch.

post #3786 of 17673
Quote:
Originally Posted by Brooko View Post

 

Actually to be fair - I'd agree with blueangel with this one.  The HD600 - despite being 300 ohms - is actually pretty sensitive (older specs show 97dB/mW - have read elsewhere that this may be as high as 102 dB/mW for later models).

 

So they are relatively easy to drive - even sounding spectacular straight out of a lowly iPhone 4.

 

However I do agree with you - that they scale even better as you use better amplification.  Even Tyll agreed - from his article:

 

 

 

 

I think what blueangel was trying to convey is that they aren't 'amp-picky' - definitely sounded spectaular out of my LD though wink.gif

As Far as I know, Iphones and Ipods are rather good when it comes to their power output and even with a decent DAC (for a phone that is).

I tried many different mp3 players and I ended up with a Cowon i9, mostly due to EQ capabilities, but apart from high end models i think Iphones and Ipods are somewhere at the top of the commonly known products (Im talking here about mp3 from creative, lg, sony, etc).

post #3787 of 17673
Quote:
Originally Posted by Brooko View Post

 

Actually to be fair - I'd agree with blueangel with this one.  The HD600 - despite being 300 ohms - is actually pretty sensitive (older specs show 97dB/mW - have read elsewhere that this may be as high as 102 dB/mW for later models).

 

So they are relatively easy to drive - even sounding spectacular straight out of a lowly iPhone 4.

 

However I do agree with you - that they scale even better as you use better amplification.  Even Tyll agreed - from his article:

 

 

 

 

I think what blueangel was trying to convey is that they aren't 'amp-picky' - definitely sounded spectaular out of my LD though wink.gif

 

I guess it all depends on what you're comparing to. When I think high impedance, I'm thinking 600 ohms or more. The HD600 should be sufficiently driven by any dedicated amp, and sound good at that. This compared to some headphones that some amps struggle to drive properly, and other headphones that only sound good with certain amps but terrible with others ("synergy"). But of course they would sound better with a more powerful amp, you just don't need high gain settings.
post #3788 of 17673
Quote:
Originally Posted by blueangel2323 View Post

I guess it all depends on what you're comparing to. When I think high impedance, I'm thinking 600 ohms or more. The HD600 should be sufficiently driven by any dedicated amp, and sound good at that. This compared to some headphones that some amps struggle to drive properly, and other headphones that only sound good with certain amps but terrible with others ("synergy"). But of course they would sound better with a more powerful amp, you just don't need high gain settings.

The original comment was in the context of small amps like the Apogee Duet or IFI iCan. I can't find a power rating for the Duet but the iCan is rated at 400 mW into 32 Ohms. A 300+ Ohms load like the HD600 is doable, but will definitly drop that power output into double-digit territory. And if you talk about something like the Fiio E17 or iPod with no amp, just forget about it.
post #3789 of 17673

Found these test results figures...

 

Duet 2 impedence at 1kHz: 34.3 Ohms

 

Headphone output at 0.1% THD:

 

(Load 300 Ohms)     

MOL,RMS: 5.5V

101mW

20dBm

17.0 dBu

14.8 dBv 

 

 

 

(Load 37.5 Ohms)

MOL,RMS: 2.5V

167 mW

22.2 dBm

10.2 dBu

8.0 dBv

 

Output at 0dBFS and -20dB headphone level: 0.7348 V RMS when driving 200 kOhms

 

 

Original tests here: http://kenrockwell.com/audio/apogee/duet-2.htm#headphone


Edited by wrightanswer@ear - 8/8/13 at 10:54am
post #3790 of 17673

RSA-71a and Duracell copper tops (better than the rechargeables).  Portable, powerful, and great synergy with the HD600.  Add a good source, and you have a great combo!  Can't help repeating myself!  beyersmile.png


Edited by fiascogarcia - 8/8/13 at 11:00am
post #3791 of 17673
Quote:
Originally Posted by palmfish View Post


The original comment was in the context of small amps like the Apogee Duet or IFI iCan. I can't find a power rating for the Duet but the iCan is rated at 400 mW into 32 Ohms. A 300+ Ohms load like the HD600 is doable, but will definitly drop that power output into double-digit territory. And if you talk about something like the Fiio E17 or iPod with no amp, just forget about it.

 

Curious ..... have you ever actually tried either (E17 or iPhone HP-out) yourself?

 

And yes - I know neither one will be as good as a dedicated amp with plenty of power - as the HD600 is a headphone that truly does scale well with better sources.  But (IMO) - suggesting 'forget about it' with both sources is really being a little - dare I say - 'elitist'?  Whilst they don't show the true scalability of the HD600 - they still sound fantastic.

 

Of course could be just that my hearing is shot - and I've always claimed to be a music lover rather than an audiophile beerchug.gif

post #3792 of 17673

Thanks for the advice guys! I'll read up and consider...

 

I picked up a used RW Amp1 w/ upgraded Opamp for my Q701 I have coming, not expecting to like it with the HD600. Oh.. my... goodness! This amp is awesome. I don't know how it sounds w/o the amp upgrade but for $130 or so I would definitely consider it. This thing has had me turning around at the soundstage, thinking I heard something in the room, and fantastic bass slam. Loving it so far! 

post #3793 of 17673

 I am expecting my 600's tomorrow and have been considering an amp. 

Wondering if anyone has experience with the woo wa6se and the 600's.

When I purchased the 600's I really didn't know that this would be a consideration. 

Thanks

post #3794 of 17673
Quote:
Originally Posted by Brooko View Post

 

Curious ..... have you ever actually tried either (E17 or iPhone HP-out) yourself?

 

And yes - I know neither one will be as good as a dedicated amp with plenty of power - as the HD600 is a headphone that truly does scale well with better sources.  But (IMO) - suggesting 'forget about it' with both sources is really being a little - dare I say - 'elitist'?  Whilst they don't show the true scalability of the HD600 - they still sound fantastic.

 

Of course could be just that my hearing is shot - and I've always claimed to be a music lover rather than an audiophile beerchug.gif

 

Yes, I have listened to the HD600 out of an iPod (my 5th Gen iPod video) and an E7. No, it didn't sound "bad" - especially at lower volumes, it sounded perfectly OK with MP3 and my dynamic range limited music. A couple of mW is all you need to play them, but significantly more power is needed for handling transient peaks. Well recorded and mastered jazz and classical music is where I noticed it the most.

post #3795 of 17673
Quote:
Originally Posted by palmfish View Post

 

Yes, I have listened to the HD600 out of an iPod (my 5th Gen iPod video) and an E7. No, it didn't sound "bad" - especially at lower volumes, it sounded perfectly OK with MP3 and my dynamic range limited music. A couple of mW is all you need to play them, but significantly more power is needed for handling transient peaks. Well recorded and mastered jazz and classical music is where I noticed it the most.

It's all about the headroom atsmile.gif

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