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Need help with AMP/DAC! - Page 3

post #31 of 41
Quote:
Originally Posted by tehsprayer View Post
 

Would the E17 be good for the dt 990 as they are easier to get in canada rather than importing schiit and cmoy from the states.


If the E17 ends up significantly cheaper for you, I'd go with that. 

post #32 of 41
Thread Starter 

Right now I found my parents old reciever. The Pioneer VSX D711. How would this compare to the e17? I know it's old but just SQ and and volume.

 

http://www.pioneerelectronics.com/PUSA/Home/AV-Receivers/Pioneer+Receivers/VSX-D711

post #33 of 41
Quote:
Originally Posted by tehsprayer View Post
 

Right now I found my parents old receiver. The Pioneer VSX D711. How would this compare to the E17? I know it's old but just SQ and and volume.

 

http://www.pioneerelectronics.com/PUSA/Home/AV-Receivers/Pioneer+Receivers/VSX-D711

Might as well try it, it's free, I'm guess it will work at least decently to fairly good with the DT990s.

 

Run S/PDIF (optical or coaxial) cable from the motherboard to the Pioneer VSX-D711 and plug the DT990s into the Pioneer.

Enable S/PDIF as your audio output, in the Playback tab in your Windows Sound (in the control panel).

Control Panel > Sound > Playback tab.

 

Your motherboard comes with DTS Surround Sensation, DTS's version of Headphone Surround Sound

The latest audio driver update for your Asus motherboard is less then a month old.


Edited by PurpleAngel - 10/23/13 at 5:24pm
post #34 of 41
Thread Starter 
Quote:
Originally Posted by PurpleAngel View Post
 

Might as well try it, it's free, I'm guess it will work at least decently to fairly good with the DT990s.

 

Run S/PDIF (optical or coaxial) cable from the motherboard to the Pioneer VSX-D711 and plug the DT990s into the Pioneer.

Enable S/PDIF as your audio output, in the Playback tab in your Windows Sound (in the control panel).

Control Panel > Sound > Playback tab.

 

Your motherboard comes with DTS Surround Sensation, DTS's version of Headphone Surround Sound

The latest audio driver update for your Asus motherboard is less then a month old.

I'm sure the e17 will probably be better although this does have 96/24.

post #35 of 41

I used a Pioneer VSA for years like that, optical out from the computer feeding into its DAC.  It also drove my 300ohm Sennheisers admirably so give it a go since you already have it.  I have since moved to an O2/ODAC which is better, but not as much as you might think.

 

Just make sure you setup for bit matched output in Windows, and disable all the EQ crap on the amp, there should be a "direct" button for that.


Edited by mcandmar - 10/23/13 at 5:35pm
post #36 of 41
Thread Starter 
Quote:
Originally Posted by mcandmar View Post
 

I used a Pioneer VSA for years like that, optical out from the computer feeding into its DAC.  It also drove my 300ohm Sennheisers admirably so give it a go since you already have it.  I have since moved to an O2/ODAC which is better, but not as much as you might think.

 

Just make sure you setup for bit matched output in Windows, and disable all the EQ crap on the amp, there should be a "direct" button for that.

Not much of a difference a very small one though. Once I get 250 ohms i'm sure i'll be able to recongize it more. Are you sure a VSX Pioneer like this? this is from 2002 :O

post #37 of 41

Yup mines a bit older, think its from ~1998.  Its performance is surprising, i used mine for years split 50/50 between speakers and headphones, i even wore out the original headphone socket it got that much use :normal_smile :

 

Sure an O2/ODAC or Magni/Modi will be better, probably more so the DAC's than the Amps, but dont expect a night and day difference. An O2/Magni may technically have the voltage swing to drive them, but it may not necessarily drive them to their full potential, or any better than the Pioneer.  Certainly thats the case i found with the HD650 (300ohm).

 

I do use my O2/ODAC exclusively now, but i have also just bought a valve amp for the HD650's because they never really set my ears on fire with either amp.  But i cant really blame that on the Pioneer, that was all me.

 

If it were me, i would find a DT990 thread here and read it from start to finish, you should then have an idea what amp will suit them best.

post #38 of 41
Thread Starter 
Quote:
Originally Posted by mcandmar View Post
 

Yup mines a bit older, think its from ~1998.  Its performance is surprising, i used mine for years split 50/50 between speakers and headphones, i even wore out the original headphone socket it got that much use :normal_smile :

 

Sure an O2/ODAC or Magni/Modi will be better, probably more so the DAC's than the Amps, but dont expect a night and day difference. An O2/Magni may technically have the voltage swing to drive them, but it may not necessarily drive them to their full potential, or any better than the Pioneer.  Certainly thats the case i found with the HD650 (300ohm).

 

I do use my O2/ODAC exclusively now, but i have also just bought a valve amp for the HD650's because they never really set my ears on fire with either amp.  But i cant really blame that on the Pioneer, that was all me.

 

If it were me, i would find a DT990 thread here and read it from start to finish, you should then have an idea what amp will suit them best.

This is from what i've read:

The Schiit M/M is too bright for the already bright DT 990s

The ODAC/O2 is out of my budget

The e17 is good in general and if need more power get the e09k. I do not listen to music very loud so if the e17 has to be at 80% volume that's fine, I want a DAC/AMP mainly for sound quality and hopefully without hissing

post #39 of 41
Quote:
Originally Posted by mcandmar View Post

Sure an O2/ODAC or Magni/Modi will be better, probably more so the DAC's than the Amps, but dont expect a night and day difference. An O2/Magni may technically have the voltage swing to drive them, but it may not necessarily drive them to their full potential, or any better than the Pioneer.  Certainly thats the case i found with the HD650 (300ohm).

Can you explain what that that term "voltage swing" means? I hear some people talking about voltage in reference to power output, but I'm not clear on what difference that makes?
post #40 of 41

Interesting, i remember coming to the same conclusion trying to choose between the M/M or O2/ODAC and decided the latter was the better choice for me.  Infact i think the optimum was Modi and O2 or something like that, but that would just look odd.  Also i really wanted to build it myself so that was that.  I dont remember there being a significant difference in price between the two either, if anything i thought the Schiit stack was slightly more expensive?

 

Anyway, best to think of the power of an amp as the ability to control the movement of the driver and not so much about the actual volume level.  An underpowered amp with too great a load is going to sound fluffy and muddy.  Either amp i'm sure is capable of doing permanent damage to the headphones and your ears, but i'll bet the more powerful e09 will sound better than the e17 if that makes sense. I know little to nothing about the Fiio range though, i never had much interest in them.

 

In terms of power, high impedance headphones need voltage, low impedance need current, or amperage.  For example when people say an amp can output 5V p2p they mean 5 volts peak to peak, or +2.5v to -2.5v. Off the top of my head ~6v p2p is enough to be uncomfortable with HD650's.


Edited by mcandmar - 10/23/13 at 6:58pm
post #41 of 41
Quote:
Originally Posted by mcandmar View Post
 

Interesting, i remember coming to the same conclusion trying to choose between the M/M or O2/ODAC and decided the latter was the better choice for me.  Infact i think the optimum was Modi and O2 or something like that, but that would just look odd.  Also i really wanted to build it myself so that was that.  I dont remember there being a significant difference in price between the two either, if anything i thought the Schiit stack was slightly more expensive?

 

Anyway, best to think of the power of an amp as the ability to control the movement of the driver and not so much about the actual volume level.  An underpowered amp with too great a load is going to sound fluffy and muddy.  Either amp i'm sure is capable of doing permanent damage to the headphones and your ears, but i'll bet the more powerful e09 will sound better than the e17 if that makes sense. I know little to nothing about the Fiio range though, i never had much interest in them.

 

In terms of power, high impedance headphones need voltage, low impedance need current, or amperage.  For example when people say an amp can output 5V p2p they mean 5 volts peak to peak, or +2.5v to -2.5v. Off the top of my head ~6v p2p is enough to be uncomfortable with HD650's.

I have the HD600's which are very similar to the HD650's sensitivity, both are 300 Ohms. I've A/B'd them and found them to be very similar in sensitivity. Now I admit to listening a bit too loud :blink: but think 6Vp-p might not quite be the point of crying Uncle. My amp reaches 15.5 Vp-p and that is definitely pretty loud. Keep in mind that we do not hear linearly and that going from 6 to 12 volts is only a 6 dB increase of voltage gain.

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