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Necessity of driving a low impedance headphone (16 Ohm)

post #1 of 5
Thread Starter 

I already have a Fiio E17 which I'm using with a Beyerdynamic DT990 Pro (250 Ohm). For my taste, a really awesome couple!

I'm thinking about buying a low impedance headphone, the Beyerdynamic Custom One (16 Ohm). Simply to own a headphone without facing the pressure to drive it via external equipment... Nevertheless, I'm curious if there would be any problem using the E17 regarding the high volume: 16 Ohm is the minimum amount to drive a headphone on the E17. I don't listen superloud to my music (volume 40 w/ DT990), but I'm pretty sure that plugging the Custom One to the E17 would generate superloud sound even at the lowest low of the volume which is 20 (volume range on the E17: 20-60).

 

Is that so?

 

 

....and the second question:

Is there a huge difference between using the Custom One with/without the E17 as DAC?

If I'm using the E17, I'm goin' to use it on a MacBook Pro 2011, a standard Dell PC, an iPod Classic 160 and an HTC One.

post #2 of 5
16ohm headphones should still be fine with your E17. You can switch the gain to 0dB if you're worried. I use my portable headphones with E17 all the times, usually using it with 0dB gain and volume level 30.
post #3 of 5
Quote:
Originally Posted by Dratino View Post

16ohm headphones should still be fine with your E17. You can switch the gain to 0dB if you're worried.

+1

post #4 of 5

Yeah, I seem to agree with what's been posted. When I used a Fiio E5, which lists it's lowest impedance as 16 ohms, I regularly used an 8 ohm headphone with the amp and never had a problem. And the E5 didn't have a gain switch. 

post #5 of 5
Thread Starter 
Thx! That'll help.
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