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| Portable Headphone Amps Discussion of portable headphone amps. |
11-21-2008, 03:19 PM
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Junior Head-Fi'er
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Join Date: Oct 2007
Location: Salamanca (Spain)
Posts: 28
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The E5 is very good whit my D2 or Fuze and Portapro or UM1. E5 works better whit portapro, with UM1 hear the hiss.
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11-21-2008, 06:39 PM
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100+ Head-Fi'er
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Join Date: Sep 2006
Location: Bloomington, IN, USA
Posts: 174
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This looks like a neat amp for highly portable use. I have a Headroom Bithead amp, which connects via USB and uses the USB Audio Codec, and I really like it. It would be awesome if they could do something similar with the E5 and just use the USB cable, though I understand no DAC exists here.
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11-21-2008, 08:02 PM
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Headphoneus Supremus
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Join Date: Jul 2007
Location: South-East - United Kingdom.
Posts: 2,780
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Quote:
Originally Posted by ClieOS
- The R&D of E7 and E9 is scheduled. E7 will be portable amp with USB DAC targeting the high quality portable amp market. E9 will be small desktop model.
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^
__________________
Sources: iPod Video (Black - Best Skins Ever - iSkin eVo3 - 60gb - FiiO L1 Low Profile LOD), Laptop w/DAC, Gaming PC. -eBay Feedback.-
Amp's/DAC's: FiiO E1 remote and amp, NuForce Icon Mobile (WTB!). Old receiver fed by an Alien DAC (planned!)-Head-fi Feedback.
Headphones/Speakers: Denon D1001s, NuForce NE-6, Livewires T1 Customs, Sennheiser MX500W, Modded KSC75's, Yuin PK2/PK3/Hisound PAA-1 (soon), Labtec 2.1 Speakers, Passive Bookshelves/Close-range monitors (soon). Last.fm.
WANTED: NuForce Icon Mobile. PM ME!
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11-21-2008, 08:26 PM
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100+ Head-Fi'er
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Join Date: Sep 2006
Location: Bloomington, IN, USA
Posts: 174
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Quote:
Originally Posted by Baines93
^
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Awesome!
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11-21-2008, 09:15 PM
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1000+ Head-Fi'er
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Join Date: Oct 2008
Posts: 1,077
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Quote:
Originally Posted by ClieOS
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I couldn't find anything on detail and clarity compared to what the headphones themselves can normally offer.
For example, if someone has headphones that offer incredible detail and clarity, will plugging them into the E5 degrade that detail and clarity even a tiny bit?
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11-22-2008, 01:26 AM
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1000+ Head-Fi'er
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Join Date: Sep 2006
Location: Just past the Pacifists of the Gandhi Nebula, then hang a left
Posts: 1,045
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Quote:
Originally Posted by i_don't_know
I couldn't find anything on detail and clarity compared to what the headphones themselves can normally offer.
For example, if someone has headphones that offer incredible detail and clarity, will plugging them into the E5 degrade that detail and clarity even a tiny bit?
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Here's a question back for you - if you have headphones with incredible detail and clarity without using an amp - why use ANY amp? If you're happy - be happy! 
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11-22-2008, 01:59 AM
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1000+ Head-Fi'er
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Join Date: Oct 2008
Posts: 1,077
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Quote:
Originally Posted by billybob_jcv
Here's a question back for you - if you have headphones with incredible detail and clarity without using an amp - why use ANY amp? If you're happy - be happy! |
Maybe there's something with the range that needs to be cleared up, or some sibilance or something? I'm really just asking if the headphone will retain 100% of its original clarity and detail with the E5. I've heard the E3 degraded it a tiny bit.
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11-22-2008, 01:59 AM
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100+ Head-Fi'er
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Join Date: Oct 2008
Location: Florida
Posts: 144
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First we heard before the end of the month, now we hear before the end of the year.
My PK1's and the IC I bought are lonely. :[
__________________
Earbuds: Yuin PK1
Sources: PC, 80gb Zune
Amps: Fiio E5
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11-22-2008, 02:57 AM
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Headphoneus Supremus
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Join Date: May 2004
Location: Johor, Malaysia.
Posts: 4,713
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Quote:
Originally Posted by i_don't_know
I couldn't find anything on detail and clarity compared to what the headphones themselves can normally offer.
For example, if someone has headphones that offer incredible detail and clarity, will plugging them into the E5 degrade that detail and clarity even a tiny bit?
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Here is a new spectrum I made and here is the 101:
SigmaTel is the build-in soundcard on my Dell XPS420, and it is the baseline used on all the measurement.
First, the point of measuring frequency response curve (FRC) on amp is to determine how well the amp performs, as in how accurate the amp is amplifying the signal. Any good amp will have FRC very closely resemble (or even carbon copy) of the original curve (SigmalTel in white). In this case, 3MOVE is performing very well by closely following the original curve throughout the whole measuring range. What does this mean? It means the amp is very neutral and do not color the sound in any significant way.
Now takes a look on E5 in flat mode (blue): the FRC is very accurate from 100Hz and above, meaning E5 (in flat mode) will not color the sound by much - not detail is lose nor gain, which is a good thing in general, cause amp is suppose to amplify the sign, not changing it. As of 100Hz below, you can see a gentle roll off of about -3dB when it hits 20Hz. Note that -3dB is about half-ing of the original volume (SPL). meaning a 20Hz tone will have half the volume (SPL) in compare to 100Hz. It might seen the roll off is quite significant, but it isn't that bad. Though -3dB is measured (on a machine) as half in volume, human hearing usually perceive -10dB to be half in loudness. Thus 20Hz @ -3dB will sound like 1/6 as loud as 100Hz, instead of 1/2.
Now takes a look at the E5 bass mode - boost below 700Hz and reduction above700Hz. This mean in exchange for more bass, detail (which usually associated with frequency over 1kHz) will be lower. Finer detail are those located beyond 6kHz.
Last edited by ClieOS; 11-22-2008 at 03:00 AM.
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11-22-2008, 03:22 AM
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1000+ Head-Fi'er
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Join Date: Oct 2008
Posts: 1,077
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So it's pretty good!
I'll have to see if I need one of these once my S639F gets here.
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11-22-2008, 03:28 AM
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500+ Head-Fi'er
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Join Date: Dec 2006
Location: Panama, Central America
Posts: 910
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^^ Nice to know that. I'm a noob reading those graphs.
__________________
My Rigs:- Black Zune 80 & Insignia Pilot 4GB + Zune Premium + AKG K26p + JVC HA-FX66
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11-22-2008, 03:57 AM
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1000+ Head-Fi'er
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Join Date: Oct 2008
Posts: 1,077
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Quote:
Originally Posted by Ricardo Dawkins
^^ Nice to know that. I'm a noob reading those graphs.
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Me too. I just tried to understand what he was saying.
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11-22-2008, 05:28 AM
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500+ Head-Fi'er
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Join Date: Sep 2007
Location: Red Deer, Alberta, Canada
Posts: 719
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Any other portable amps that I could justify listening with my e250 that have a bass boost mode like the FiiO but don't have a reduction in detail or higher range frequencies? For under, say, $100?
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11-22-2008, 10:02 AM
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Headphoneus Supremus
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Join Date: Jul 2007
Location: South-East - United Kingdom.
Posts: 2,780
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Looks pretty good!
Home headphone, FiiO E5, FiiO E7, maybe E9 and maybe a D2 Boa/2move etc. next year.
A few years later, Pico, UE Custom, latest Cowon, Millet Max, Open can, closed can. Done.
Matt
__________________
Sources: iPod Video (Black - Best Skins Ever - iSkin eVo3 - 60gb - FiiO L1 Low Profile LOD), Laptop w/DAC, Gaming PC. -eBay Feedback.-
Amp's/DAC's: FiiO E1 remote and amp, NuForce Icon Mobile (WTB!). Old receiver fed by an Alien DAC (planned!)-Head-fi Feedback.
Headphones/Speakers: Denon D1001s, NuForce NE-6, Livewires T1 Customs, Sennheiser MX500W, Modded KSC75's, Yuin PK2/PK3/Hisound PAA-1 (soon), Labtec 2.1 Speakers, Passive Bookshelves/Close-range monitors (soon). Last.fm.
WANTED: NuForce Icon Mobile. PM ME!
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11-22-2008, 03:50 PM
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500+ Head-Fi'er
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Join Date: Sep 2008
Location: Utah
Posts: 668
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Quote:
Originally Posted by Baines93
Looks pretty good!
Home headphone, FiiO E5, FiiO E7, maybe E9 and maybe a D2 Boa/2move etc. next year.
A few years later, Pico, UE Custom, latest Cowon, Millet Max, Open can, closed can. Done.
Matt
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uh hu... SUUUUUUUUUURE you'll be done!  
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