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++ FULL-SIZE HEADPHONE RECOMMENDATIONS THREAD++ CLOSED: Please post a thread in the Introductions, Help and Advice forum - Page 963  

post #14431 of 29490

 

Quote:
Originally Posted by Papander View Post

 

 

Hmm could you clarify this to me. Because after looking at HD598 specs they are pretty easy to drive. You only need around 13mW to reach 110dBSPL with these headphones. I don't see how having something big and strong would make a difference to driving these headphones when they need so litte power.

 

 

Getting headphones loud doesn't mean that they're powered properly. The need a lot of power and current to work well. You can get them loud out of an ipod, but they won't sound nearly as good as out of an amp. Loudness is not sound quality.  Also, their impedance is 50 Ohms only on paper, its actually not constant, it has a big spike that goes up to 300Ohms. You can use them without an amp, but you'll be wasting your money. You better buy cheaper headphones then, you'll get the same sound out of them.

post #14432 of 29490

 

Quote:
Originally Posted by derbigpr View Post

 

 

 

Getting headphones loud doesn't mean that they're powered properly. The need a lot of power and current to work well. You can get them loud out of an ipod, but they won't sound nearly as good as out of an amp. Loudness is not sound quality.  Also, their impedance is 50 Ohms only on paper, its actually not constant, it has a big spike that goes up to 300Ohms. You can use them without an amp, but you'll be wasting your money. You better buy cheaper headphones then, you'll get the same sound out of them.

 

Isn't amps purpose to amplify the signal with minimum distortion to signal. The more I amplify the signal the louder the headphones will go. So if I can output clean signal with only 13mW and reach 110dBSPL, then I don't see how having big strong 800mW amp would be useful, because I can't never output that much power into the headphones. I would still only be using 13mW to drive the headphones.

post #14433 of 29490

 

Quote:
Originally Posted by Papander View Post

 

 

Isn't amps purpose to amplify the signal with minimum distortion to signal. The more I amplify the signal the louder the headphones will go. So if I can output clean signal with only 13mW and reach 110dBSPL, then I don't see how having big strong 800mW amp would be useful, because I can't never output that much power into the headphones. I would still only be using 13mW to drive the headphones.

 


No...look, use them with anything you want, but I'm telling you you're wasting your money. And read up on how amplifiers works to clear up any mysteries. There's much more than just mW's and db's in play here, and its not as simple as you think. The point is, the difference between using a cheap sound card line out and a dedicated headphone amp is night and day.

post #14434 of 29490

 

Quote:
Originally Posted by WiR3D View Post


It depends on the onboard to be honest, with laptops any upgrade is good, but with desktops it's more tricky. Try to find the SNR figure for your onboard, if it's less then 85db them it may be worth it, just as a rough idea anyway.

How do I find the SNR? All I know is that its Realtek on an AMD 780g motherboard

post #14435 of 29490
Quote:
Originally Posted by derbigpr View Post

  Quote: Originally Posted by Papander      Isn't amps purpose to amplify the signal with minimum distortion to signal. The more I amplify the signal the louder the headphones will go. So if I can output clean signal with only 13mW and reach 110dBSPL, then I don't see how having big strong 800mW amp would be useful, because I can't never output that much power into the headphones. I would still only be using 13mW to drive the headphones.   No...look, use them with anything you want, but I'm telling you you're wasting your money. And read up on how amplifiers works to clear up any mysteries. There's much more than just mW's and db's in play here, and its not as simple as you think. The point is, the difference between using a cheap sound card line out and a dedicated headphone amp is night and day.

I don't think you can blanket it like that. If your going to summarize it then you should say dac/amp is night and day. Also isn't the point of an amp to provide power, by that I mean greater voltage or current, onboard systems are usually hammered when it comes to voltage. And as a blanket statement lower impedances generally need more current and higher require more voltage, hence being labelled as harder to DRIVE not power, the powering is just a side effect.

Sent from my HTC HD2 using Tapatalk 2
Edited by WiR3D - 4/30/12 at 3:29pm
post #14436 of 29490

Haha. I asked a simple question that blew up into a scientific debate about amplification. I'm flattered tongue.gif

But in all seriousness, would it be a good idea to just get the hd 598s and buy an amp later if need be?

post #14437 of 29490

 

Quote:
Originally Posted by odehib View Post

Haha. I asked a simple question that blew up into a scientific debate about amplification. I'm flattered tongue.gif

But in all seriousness, would it be a good idea to just get the hd 598s and buy an amp later if need be?

 

If you don't listen to your music at SUPER LOUD levels, I think It would be fine but It will leak mind you.

post #14438 of 29490
The HD598 needs 13mW, 0.79Vrms and 15.9mA into 50ohm to reach 110dBSPL.

For comparison Q701 needs 51mW, 1.78Vrms and 28.7mA into 62ohm to reach the same 110dBSPL.

Truly hard to drive headphone like hifiman HE-6 needs 501mW, 5Vrms and 100mA into 50ohm to reach 110dBSPL.

Lets say you have 2 amps, one powerful and one "weak" amp, if both can output the above specs without distortion then there should be little to no change in sound (both are using the same DAC).

So it doesn't make sense to buy the big and powerful amp when you won't be utilizing its power.

Pretty sure HD598 can be driven from pretty much anything. So like PC and external DAC/soundcard should do the job.
Edited by Papander - 4/30/12 at 4:26pm
post #14439 of 29490

 

Quote:
Originally Posted by odehib View Post

Haha. I asked a simple question that blew up into a scientific debate about amplification. I'm flattered tongue.gif

But in all seriousness, would it be a good idea to just get the hd 598s and buy an amp later if need be?

 


Yes.

post #14440 of 29490

How much would my Ultrasone 750 Pro benefit from an amp? If it is worth it, recommendations would be great as I do not know really where to start.

post #14441 of 29490

 

Quote:
Originally Posted by basmith2004 View Post

How much would my Ultrasone 750 Pro benefit from an amp? If it is worth it, recommendations would be great as I do not know really where to start.

 

It spends on the individual source.  On my iPhone 4 alone the bass goes missing, despite decent volume levels being produced.

post #14442 of 29490

Hi guys,

New here, but been reading around for some time (just never posted). My old cans just died, so I'm looking for a decent upgrade. Here are my requirements:

 

  • Price point: $150 - $300
  • Closed
  • Over-ear
  • Music: Classical (main), acoustic, some...metal. I don't have any hip hop, and have very little dubstep, so bass is not a priority.
  • Decent isolation
  • Comfortable
  • Decently portable
  • Willing to use an amp if not on the move

 

Based on my research so far, these are the few that seem to fit my requirements:

  • Shure SRH940
  • AKG K271 MKII
  • DT770 (pity the DT880 isn't closed, coz its a good classical can apparently)

 

Any advice on this? I'm leaning towards the 940's, but the apparent comfort issues are a bit of a turn off.

 


Edited by firestorm8880 - 4/30/12 at 7:23pm
post #14443 of 29490

 

Quote:
Originally Posted by firestorm8880 View Post

Hi guys,

New here, but been reading around for some time (just never posted). My old cans just died, so I'm looking for a decent upgrade. Here are my requirements:

 

  • Price point: $150 - $300
  • Closed
  • Over-ear
  • Music: Classical (main), acoustic, some...metal. I don't have any hip hop, and have very little dubstep, so bass is not a priority.
  • Decent isolation
  • Comfortable
  • Decently portable
  • Willing to use an amp if not on the move

 

Based on my research so far, these are the few that seem to fit my requirements:

  • Shure SRH940
  • AKG K271 MKII
  • DT770 (pity the DT880 isn't closed, coz its a good classical can apparently)

 

Any advice on this? I'm leaning towards the 940's, but the apparent comfort issues are a bit of a turn off.

 

 


I'd go with Shure.  I don't find that comfort is a problem--although I have not worn it for more than four hours.


Edited by KG Jag - 4/30/12 at 9:55pm
post #14444 of 29490

Just another newbie question. I read a lot here about DACs and amps here, but what is the difference between the two? Do they both simply aim to improve sound quality in general, or do they have different effects?

I really appreciate the help thus far, thanks.

post #14445 of 29490

 

Quote:
Originally Posted by Ora M View Post

 

 

I hope you aren't talking about using HD800 for portable use...

 


I am talking about using the HD800 for portable use.

1. I have read from multiple sources that the ALO Audio RX MKII is perfectly capable of driving the HD800.

2. People have done this before. I'm sure that I've heard of this a few times on Head-Fi

3. In my mind, headphones were made to be portable.

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