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post #11 of 13
Quote:
Originally Posted by fofamit View Post

Well technically it has enough output power to power the K701/2 / Q701 in regards to current, and it does use the same amp (OPA2134 ) as the Matrix M-Stage, but from what I've been reading it has mixed opinions on the quality of the sound. As I've personally never heard the Fiio E9 with the Q701s I don't really have a solid comparison and I don't really like things which have such differing opinions. I more or less put this option out there so you're aware of it, I do think the Q701s are great headphones, but I am not so certain about it paired with the E9.

I think the way this was worded may be a bit misleading, even if you had everything correct. As far as I can tell, the Matrix M-Stage has a discrete transistor-based output stage, while the E9 uses the TI TPA6120 chip amp for the output. It's the output stage, not the OPA2134 in both, that's responsible for supplying power to the headphones.

Both solutions should have overkill power for Q701. As for sound quality, try it yourself. I wouldn't hold back on getting (most) fullsize headphones on account of having only an E9. It can do the job for a number of headphones. Sonic differences between most amplifiers tend to be largely exaggerated anyway, often do not even seem to hold up under more rigorous testing.

By "hard time driving" I think most people don't particularly have a clear idea of what is meant—-maybe just a vague suggestion about the combination not sounding good? Maybe this kind of language should be avoided, since it will mean something very different to different people, may be a cause for confusion. It won't have a hard time in a technical sense.
post #12 of 13
Thread Starter 
Quote:
Originally Posted by mikeaj View Post

I think the way this was worded may be a bit misleading, even if you had everything correct. As far as I can tell, the Matrix M-Stage has a discrete transistor-based output stage, while the E9 uses the TI TPA6120 chip amp for the output. It's the output stage, not the OPA2134 in both, that's responsible for supplying power to the headphones.
Both solutions should have overkill power for Q701. As for sound quality, try it yourself. I wouldn't hold back on getting (most) fullsize headphones on account of having only an E9. It can do the job for a number of headphones. Sonic differences between most amplifiers tend to be largely exaggerated anyway, often do not even seem to hold up under more rigorous testing.
By "hard time driving" I think most people don't particularly have a clear idea of what is meant—-maybe just a vague suggestion about the combination not sounding good? Maybe this kind of language should be avoided, since it will mean something very different to different people, may be a cause for confusion. It won't have a hard time in a technical sense.

Welp, thanks for adding that!
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Ol' Sandy
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post #13 of 13
Quote:
Originally Posted by mikeaj View Post

I think the way this was worded may be a bit misleading, even if you had everything correct. As far as I can tell, the Matrix M-Stage has a discrete transistor-based output stage, while the E9 uses the TI TPA6120 chip amp for the output. It's the output stage, not the OPA2134 in both, that's responsible for supplying power to the headphones.
Both solutions should have overkill power for Q701. As for sound quality, try it yourself. I wouldn't hold back on getting (most) fullsize headphones on account of having only an E9. It can do the job for a number of headphones. Sonic differences between most amplifiers tend to be largely exaggerated anyway, often do not even seem to hold up under more rigorous testing.
By "hard time driving" I think most people don't particularly have a clear idea of what is meant—-maybe just a vague suggestion about the combination not sounding good? Maybe this kind of language should be avoided, since it will mean something very different to different people, may be a cause for confusion. It won't have a hard time in a technical sense.

thanks biggrin.gif
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