Apr 23, 2011 at 5:11 AM Post #19 of 23
Apr 23, 2011 at 10:49 AM Post #20 of 23
unless you have a high impedance headphone, you probably don't need a headphone amp. and you probably won't hear any difference. i've bought a CMOY and more recently a Nuforce uDAC2, and with my 3 sets of low impedance headphones, i can't notice any difference. i WANT to hear a difference, but the reality is, its $150 i spent fruitlessly. UNTIL i get a set of high impedance cans.
 
Apr 23, 2011 at 11:47 AM Post #21 of 23
unless you have a high impedance headphone, you probably don't need a headphone amp. and you probably won't hear any difference. i've bought a CMOY and more recently a Nuforce uDAC2, and with my 3 sets of low impedance headphones, i can't notice any difference. i WANT to hear a difference, but the reality is, its $150 i spent fruitlessly. UNTIL i get a set of high impedance cans.

I disagree.
I compared my IEM's using a the same source between unamped (iPod headphone output), and my amp's (Little Dot MKIV SE) headphone output.
I clearly heard a difference, and I clearly preffered the Little Dot's output. The difference might not be mind baffling, but it certainly was there, and in a good way.
 
Apr 23, 2011 at 12:16 PM Post #22 of 23

 
Quote:
Quote:
unless you have a high impedance headphone, you probably don't need a headphone amp. and you probably won't hear any difference. i've bought a CMOY and more recently a Nuforce uDAC2, and with my 3 sets of low impedance headphones, i can't notice any difference. i WANT to hear a difference, but the reality is, its $150 i spent fruitlessly. UNTIL i get a set of high impedance cans.



I disagree.
I compared my IEM's using a the same source between unamped (iPod headphone output), and my amp's (Little Dot MKIV SE) headphone output.
I clearly heard a difference, and I clearly preffered the Little Dot's output. The difference might not be mind baffling, but it certainly was there, and in a good way.


i read a lot of reviews from owners of Cmoys and the uDAC2 who also claimed to hear improved sound. others, like me, hear no difference with low-impedance headphones, which are specifically designed to be properly driven with small voltages.
 
 
Apr 23, 2011 at 8:55 PM Post #23 of 23


Quote:
unless you have a high impedance headphone, you probably don't need a headphone amp. and you probably won't hear any difference. i've bought a CMOY and more recently a Nuforce uDAC2, and with my 3 sets of low impedance headphones, i can't notice any difference. i WANT to hear a difference, but the reality is, its $150 i spent fruitlessly. UNTIL i get a set of high impedance cans.



x2. The difference is minimal at best.
 
However, if you were to build your own instead of buying a prebuilt amp or a kit, it would be a fun excercise. The parts like capacitors and resistors are dirt cheap, and a opamp like the NE5332 or 4558 also dirt cheap. Standard pots, jacks and switches are pretty easy and cheap to get too. It is pretty satisfying when the finnished product works and is in a cool case
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