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FiiO Mont Blanc/E12 portable headphone amp, 880mW, slim design, full metal case. Bass boost and Cross feed! - Page 247

post #3691 of 3695

Crap, Another headphone jack malfunction (first was in E17, tried to fix it and broke it :D).

Not sure if its poor headphone jack in Fiio equipment or if I am too rough on the amp. 

post #3692 of 3695
Do any of you use the e12 with the fiio x5 dap? I have both. I don't notice a need with th900-30ohm or even dt770-250s. I thought the point of the x5 is that it has an amp already like a e12 more or less built in. (Unlike common players like clipzip.)

Why then, does fiio have a "kit" product that includes both items?

I hear people saying the x5 can drive up to 300ohms, therefore no e12 necessary. True. It sounds fine without e12. That's what I want.

Then why the heck is fiio marketing a kit that includes both? Why do people cut the x5 amp out of the loop and line out to e12? I thought the whole point of a dap with an amp was to allow single portable module. How much more powerful is the e12 than the internal x5 amp? 1.3? Double?

I've been told it's not about ohms only, as headphones differ in "sensitivity". OK, what are these units of sensitivity? Are my headphones the sensitive ones? Are the sensitive ones those that need more amplification, or the insensitive?

Yes, I have both, so I have tried with and without. I'm not noticing any differences that are so obvious I'd be confident of passing a blind test. But then again I don't know what to listen for. I have gold ears according to the old Phillips test, but less training. What am I supposed to notice? Give me a song and a time code and a specific description of what to listen for. Subjective is fine... But specificity can make subjectivity meaningful.

Tell me I'll never notice a difference with the 25ohm th900s and noble iems, I'll be happy . Tell me I'm a fool to exclude the e12 with the 770s, I'll believe you. But explain specifically what I'm missing because I want to hear it. 
post #3693 of 3695
Quote:
Originally Posted by bombjoke View Post

Do any of you use the e12 with the fiio x5 dap? I have both. I don't notice a need with th900-30ohm or even dt770-250s. I thought the point of the x5 is that it has an amp already like a e12 more or less built in. (Unlike common players like clipzip.)

Why then, does fiio have a "kit" product that includes both items?
 

E12 features an analog bass boost & crossfeed switches.
E12A features a more subdued but present sub-bass boost.

If I owned an X5 solely I'm either unable to use crossfeed or need to use digital eq or none at all because eq is disabled for files above 48kHz in sample rate.
post #3694 of 3695

A headphone that is high impedance and not sensitive will require a higher Vp-p which the E12 can deliver better than the X5. The E12 and E12A are no longer listed on their website, I was able to find the below link to get the below specs.

X5 : Vp-p = 8.2V

E12: Vp-p = 15V

E12a: Vp-p = 10.3

 

So the E12 is about 5.25 dBV higher than the X5. Whether this is important is up to how loud you listen, how much headroom you really need and how sensitive the headphone is.

 

http://m.fiio.net/en/products/33/comparisons


Edited by StanD - 10/19/16 at 12:51pm
post #3695 of 3695

Time to look at the A5 more carefully. Looks like the E12 and E12A may have been discontinued.

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