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Pictures of Your Portable Rig (part XVI)
Aug 19, 2013 at 2:48 AM Post #6,196 of 37,582
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What is the point of having different impedances and different gain settings at the same time?



 
 
 
 
 
 
 
 
it's worked out great for me so far, since I have (for example) Grado Rs1. It is low impedance, but needs a good deal of power to sound it's best. They are there for you to set whatever setting best suits your headphone/iem.
 
Aug 19, 2013 at 3:25 AM Post #6,197 of 37,582
...but both settings do the exact same thing in practice (manipulation of output voltage), just with different methodologies. I just don't see the purpose of having both at the same time, and I was wondering if you knew something that the first method does that the second method does not.
 
Aug 19, 2013 at 3:52 AM Post #6,198 of 37,582
^ I copied and pasted this from the CEntrance Hifi-M8 product page:  
 
 
Analog Specs

  
  Freq. Response

 20 Hz...50 kHz (flat EQ circuit)

  S/N Ratio

 113 dB (A-weighted)

  THD+N

 0.002 % (mid gain position)

  Crosstalk

 -103 dB (at 1kHz)

  Output Impedance

 1, 2, 11 Ohm, selectable

  Output Power

 1.4 W (max), 1 W (typical)

  Headphones

 16...600 Ohm

  Output voltage

 -2 dBV (nominal, max gain) use with less-sensitive over-the head headphones

    -10 dBV (nominal, mid gain) use for connecting to line-level consumer audio equipment

    -22 dBV (nominal, min gain) use with ultra-sensitive IEM headphones

  
 
Sorry, I'm not a very technical guy when it comes to these things. Hope this helps!
 
Aug 19, 2013 at 6:33 AM Post #6,204 of 37,582
Quote:
doublea71 said:
Call it the "Minor Victory"
Click to expand...

 
haha like that. Honestly diy is fun and now I know how those guys rip off head-fi'ers by selling a LOD for 200 bucks.
 
Quote:
vincent215 said:
I would feel annoyed everytime that I have to take the ipod out to change track,because moving the trackpad through that plastic screen is a pain.
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NO no no you have to try it. For the ipod video it's like a charm. For the ipod classic my 1st amp wallet had trouble but my 2nd one has no trouble due to more sensitive material used for the transparent cover. But I don't care for the classic's b/c I now can't stand its sound after modding these 5.5g's.
 
Aug 19, 2013 at 9:38 AM Post #6,209 of 37,582
Quote:
vincent215 said:
I would feel annoyed everytime that I have to take the ipod out to change track,because moving the trackpad through that plastic screen is a pain.
Click to expand...

 
I have the other amp wallet (for the stack) with the same clear cover.  I have no issues using my iPod touch though it...
 
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